MICROWAVE ENGINEERING CORPORATION DOUBLE

Transcription

MICROWAVE ENGINEERING CORPORATION
DOUBLE-RIDGE WAVEGUIDE PRODUCTS
TABLE OF CONTENTS
SERIES
DATA
SHEET
No. B002b
DATA
PAGE
SHEET
NO.
T111
T135
2-1
2-2
Double Ridge Flange Stock
T113
2-3
Standard Double-Ridge Waveguide Extrusions
T22D
2-4
R09, F09
T55C
2-12
R10,R120, R130,R150
T34E
2-13
Double Ridge to Rectangular Transitions
R30
T8F
2-14
Double Ridge to Coaxial adapters
R40
T7E
2-16
RE40
T74B
2-17
R50
T15E
2-18
R80
R100, R10L
R160, R200
R270
R280
R600, R620
R810
T9E
T14F
T12E
T13E
T26C
T68C
T80A
2-19
2-21
2-22
2-24
2-25
2-26
2-27
DOUBLE-RIDGE WAVEGUIDE PRODUCTS
Flange & Waveguide dimensions & data
Extended Bandwidth Double Ridge Waveguide, Flanges and Components
WRD500, WRD250
Pressure gaskets
Straights, E, H-bends & Twists
End-Launch double ridge to coaxial adapters
Power Samplers
Matched Terminations
Magic Tee Hybrids
High directivity Couplers
Pressure Windows
Fixed & Variable Mismatches
Directional Couplers
Reflectometer Test Sets
2-0
Data subject to change without notice
1551 Osgood Street, North Andover, MA 01845 • Tel (978) 685-2776 • Fax (978) 975-4363 • Website: http://www.microwaveeng.com/ • Email: [email protected]
DATA
SHEET
No. T111
A
B
C
D
E
Inch/mm
Inch/mm
Inch/mm
Inch/mm
Inch/mm
Surface finish (Ra)
µ inch/µm
(±10%)
Dimensions
(max.)
Waveguide size
STANDARD DOUBLE-RIDGE
WAVEGUIDE
F
G
H
J
K
L
2.59 ± .004
1.205 ± .004 2.750 ± .004 1.365 ± .004 .512 ± .002
.050
.102
.648 ± .002
.004
.002
.002
25
1,0
1.480 ± .003
.688 ± .003 1.608 ± .004 .816 ± .004 .2920 ± .002 .030
.058
.3700 ± .002
.003
.002
.002
25
1,0
1.090 ± .003
.506 ± .003 1.190 ± .003 .606 ± .003
WRD200 65.79 ± .001 30.61 ± .100 69.85 ± .100 34.67 ± .100 13.00 ± .050 1.27 2.59 16.46 ± .050 .100 .050 .050
WRD350 37.59 ± .080 17.48 ± .080 40.84 ± .100 20.73 ± .100 7.471 ± .050 .760 1.47 9.398 ± .050 .080 .050 .050
.215 ± .002
.030
.043
.272 ± .002
6.91 ± .050
.003
.080
.002
.050
.002
.050
25
1,0
1.025 ± .003 .475 ± .003 1.125 ± .005 .575 ± .005 .191 ± .003
26.04 ± .080 12.06 ± .080 28.58 ± .130 14.60 ± .130 4.85 ± .080
.030
.760
.062
1.57
.256 ± .003
6.50 ± .080
.003
.080
.003
.080
.003
.080
25
1,0
.752 ± .003
.323 ± .003 .852 ± .004 .423 ± .004 .063 ± .002
8.20 ±.080 21.64 ± .100 10.74 ± .100 1.60 ± .050
.020
.510
.013
.330
.188 ± .002
4.78 ± .050
.003
.080
.002
.050
.002
.050
25
1,0
.780 ± .003
.370 ± .003
.120 ± .001
.020
.043
.200 ± .001
5.08 ± .025
.003
.080
.002
.050
.002
.050
25
1,0
.720 ± .003
.321 ± .003 .820 ± .003 .421 ± .003 .101 ± .001
8.13 ± .064 20.83 ± .080 10.67 ± .080 2.57 ± .025
.020
.510
.022
.510
.173 ± .001
4.39 ± .025
.003
.080
.002
.050
.002
.050
25
1,0
.691 ± .003
.321 ± .003 .791 ± .003 .421 ± .003 .136 ± .002
8.15 ± .080 20.09 ± .080 10.69 ± .080 3.45 ± .050
.020
.510
.027
.690
.173 ± .002
4.39 ± .050
.003
.080
.002
.050
.002
.050
25
1,0
.471 ± .003
.219 ± .003 .551 ± .003 .299 ± .003 .0930 ± .002 .015
5.56 ± .080 14.00 ± .080 7.59 ± .080 2.362 ± .050 .380
.019
.480
.118 ± .002
2.997 ± .050
.003
.080
.002
.050
.002
.050
25
1,0
.288 ± .003
7.32 ± 080
.134 ± .003
3.40 ± .080
.011
.280
0.072 ± .002
1.829 ± .050
.003
.080
.002
.050
.002
.050
25
1,0
WRD475 27.69 ± .080 12.85 ± .080 30.23 ± .080 15.39 ± .080 5.46 ± .050 .760 1.09
DR19
WRD500 19.10 ± .080
.880 ± .005
.467 ± .005
WRD580 19.81 ± .080 9.398 ± .080 22.352±.100 11.86 ± .100 3.048 ± .025 .510 1.09
WRD650 18.29 ± .064
WRD750 17.55 ± .080
WRD110 11.96 ± .080
WRD180
.368 ± .003
9.35 ± .080
.214 ± .003 .0570 ± .002 .015
5.44 ± .080 1.448 ± .050 .380
2-1
EXTENDED BANDWIDTH DOUBLE RIDGE WAVEGUIDE,
FLANGES AND COMPONENTS
WRD500 and WRD250
DATA
SHEET
No.T135
DESCRIPTION
MEC’s latest additions to the waveguide family are the WRD500 and WRD250 sizes. These typically cover a broad
frequency bandwidth, 3.6:1 and 4:1, respectively, with low VSWR and attenuation. These waveguide sizes are used in our
broadband, high power components and can be used on any other waveguide assembly or component.
The flanges are available in aluminum or brass in cover or gasket grooved options. They are made to order and are
available with short lead time. These products may be customized to suit individual requirements.
SPECIFICATIONS
WAVEGUIDESIZE
MODEL
NUMBER
FREQUENCY RANGE (GHz)
WRD500D36
500-
4.5-18
WRD250D40
250-
2.5-8
ORDERING INFORMATION
(1) Add suffix –C for Cover or –G for Gasket.
(2) Add –1 for Alt. Tap and clear, -2 for all tapped, -3 for all clearance, -4 for all captive hardware, -5 for all helicoils.
2-2
(max.)
4 PLACES
(±10%)
Surface finish (Ra)
DATA
SHEET
No. T113
DOUBLE-RIDGE
FLANGE STOCK
AA
CC
DD
.37 ± .002
9.40 ± .050
.003
.080
.058
1.49
.030
.760
.25
6.35
40
1
.215 ± .002
5.46 ± .050
.272 ± .002
6.91 ± .050
.003
.080
.043
1.09
.030
.760
.24
6.2
40
1
1.025 ± .003 .475 ± .003 1.50 ± 0.15 2.125± .015
26.04 ± .080 12.06 ± .080 38.10± .380 53.98± .380
.191 ± .003
4.85 ± .080
.256 ± .003
6.50 ± .080
.003
.080
.062
1.57
.030
.760
.25 x 45°
6.35 x 45°
40
1
WRD500
.752 ± .003
19.10 ± .080
.063 ± .002
1.60 ± .050
.188 ± .002
4.78 ± .050
.003
.080
.013
.330
.020
.510
.25 x 45°
6.35 x 45°
40
1
WRD580
.78 ± .003
.370 ± .003 1.375± .015 1.375± .015 .120 ± .001 .20 ± .001
19.81 ± .080 9.398 ± .080 34.92± .380 34.92± .380 3.048 ± .025 5.08 ± .025
.003
.080
.043
1.09
.020
.510
.125 x 45°
3.17 x 45°
40
1
WRD650
.72 ± .003
18.29 ± .080
.321 ± .003
8.13 ± .080
1.375± .015 1.375± .015
34.92± .380 34.92± .380
.101 ± .001
2.57 ± .025
.173 ± .001
4.39 ± .025
.003
.050
.022
.510
.020
.510
.125 x 45°
3.17 x 45°
40
1
WRD750
.691 ± .003
17.55 ± .080
.321 ± .003
8.13 ± .080
1.375± .015 1.375± .015
34.92± .380 34.92± .380
.136 ± .001
3.45 ± .025
.173 ± .002
4.39 ± .050
.003
.080
.027
.690
.020
.510
.125 x 45°
3.17 x 45°
40
1
WRD180
.288 ± .003
7.32 ± .080
.134 ± .003
3.40 ± .080
.875 ± .015 .875 ± .015 .057 ± .002 .072 ± .002 .001
22.22± .380 22.22± .380 1.448± .050 1.829± .050 .030
.011
.280
.015
.380
.125
3.175
40
1
Dimensions
A
B
C
K
N
P
Inch/mm
Inch/mm
Inch/mm
Inch/mm
Inch/mm
Inch/mm
WRD350 37.59 ± .080 17.48 ±.080 50.80± .380 69.85± .380
1.480 ± .003
.688 ± .003
2.000± 0.15 2.750± .015
.292 ± .002
7.42 ± .050
WRD475
1.090 ± .003 .506 ± .003 1.391± .015 1.969± .015
27.69 ± .080 12.85 ± .080 35.33± .380 50.01± .380
DR19
.323 ± .003
8.20 ± .080
1.25 ± .015 1.69 ± .015
31.75± .380 42.88± .380
2-3
∆
Ra
DOUBLE-RIDGE & MEC FLATGUIDE
FLANGES & WAVEGUIDE
®
DATA
SHEET
No.T22D
1 of 8
DESCRIPTION
As a prime designer and producer of waveguide assemblies and passive components,
MEC maintains a complete inventory of Aluminum flanges and waveguide extrusion
from 1 to 40 GHz in Double-Ridge and in MEC FLATGUIDE ® which is briefly
described on page 6.
Flanges available include all combinations of cover or gasket faces with tapped,
clearance, alternate or captive holes. These have long been the industries standard
and were later incorporated in MIL-F-39000/3B for Double-Ridge and MIL-F3922/75B for MEC FLATGUIDE®. Additionally, MEC has developed many specialpurpose flanges such as metrics, quick-disconnects and slim line styles for tight
quarters.
Also available are waveguide extrusions such as those listed in MIL-W-23351/4B for
Double-Ridge and MIL-W-85/4C for MEC FLATGUIDE®, as well as flexible
waveguide and other sizes custom-designed by MEC for specific frequency bands and
characteristics.
Pages 1 to 6 show the various flange outlines and dimensions while pages 7 and 8
contain useful reference information to assist the system designer in comparing and
selecting the best wave-guide/flange combination in this popular series.
To order, use the part number codes defined below. Also see tables on page 7 listing
part numbers and cross-references
550-C-1
FREQUENCY
(GHz)
MIL NO.
WAVEGUIDE
SIZE
P/N CODE
18.0 – 40.0
11.0 – 26.5
7.5 – 18.0
6.5 – 18.0
5.8 – 16.0
4.75 – 11.0
4.75 – 11.0
3.5 – 8.2
2.0 – 4.8
1.5 – 3.6
0.84 – 2.0
7.5 – 18.0
7.0 – 18.0
7.0 – 18.0
4.0 – 10.4
M23351/4-045
M23351/4-041
M23351/4-037
⎯
⎯
M23351/4-033
M23351/4-049
M23351/4-029
M23351/4-025
M23351/4-021
M23351/4-017
M85/4-033
M85/4-029
M85/4-027
M85/4-023
WRD-180C24
WRD-110C24
WRD-750D24
WRD-650D28
WRD-580D28
WRD-475D24
DR19
WRD-350D24
WRD200D24
WRD150D24
WRD-840U24
F750 FLATGUIDE
F700 FLATGUIDE
F700 FLATGUIDE
F400 FLATGUIDE
180
110
750
650
580
475
DR19
350
200
150
840
F750
F700
F700B
F400
TYPE
FLANGE
P/N CODE
COVER
GASKET
SLIM COVER
SLIM GASKET
QUICK DISCONNECT
COVER
QUICK DISCONNECT
GASKET
C
G
SC
SG
MOUNTING HOLES
TYPE
P/N CODE
ALTERNATIVE TAP & CLEAR
ALL TAPPED
ALL CLEARENCE
ALL CAPTIVE SCREWS
ALL THREADED INSERTS
DC
DG
Mounting hole sizes are also available of metric systems. To specify metric adds “M” to designation, example: 750-C-3-M
2-4
1
2
3
4
5
DOUBLE-RIDGE & MEC FLATGUIDE®
FLANGES & WAVEGUIDE
WAVEGUIDE OPENING
DATA
SHEET
No. T22D
2 of 8
CAPTIVE SCREW
WRD-580, 650 & 750
CAPTIVE STYLE
FLANGE BACKING
WRD-180
GASKET GROOVE
WRD-580, 650 & 750
GASKET GROOVE
WRD-650
FACE HOLE PATTERN
WRD-580, 750, 110 & 180
FACE HOLE PATTERN
2-5
DATA
SHEET
No. T22D
3 of 8
FLANGES & WAVEGUIDE
STANDARD DOUBLE-RIDGE FLANGES
W/G SIZE
WRD-580D28
WRD-650D28
WRD-750D24
WRD-110C24†
WRD-180C24†
A
.780 ± .003
.720 ± .003
.691 ± .003
.471 ± .003
.288 ± .002
B
.370 ± .003
.321 ± .003
.321 ± .003
.219± .003
.134 ± .002
C
1.375 ± 0.10
1.375 ± .015
1.375 ± .015
1.000 ± .015
.875 ± .015
K
1.375 ± .010
1.375 ± .015
1.375 ± .015
1.000 ± .015
.875 ± .015
N
.120 ± .001
.101 ± .001
.136 ± .002
.093 ± .002
.057 ± .001
P
.200 ± .001
.173 ± .001
.173 ± .002
.118 ± .002
0.72 ± .001
r1
.043 ± 10%
.022 ± 10%
.027 ± 10%
.019 ± 10%
.011 ± 10%
r2
.020 MAX
.020 MAX
.020 MAX
.020 MAX
.020 MAX
r3
1/8 x 45°
1/8 x 45°
1/8 x 45°
1/8 x 45°
1/8 x 45°
L
.880*
.820*
.791*
.551*
.368*
M
.470*
.421*
.421*
.299*
.214*
J
.245 ± .010
.245 ± .010
.245 ± .010
.245 ±.010
.188 ±.010
R
.125 ± .005
.125 ± .005
.125 ± .005†
.125 ± .005
.095 ± .005
Y
.056
+.002
-.000
⎯
.045 ± .002
r4
.046 ± .005
.046 ± .005
—
.206
U
.104
—
.062 ± .005
V
.500 ± .003
.441 ± .003
.441 ± .004
—
.288 ± .003
W
.900 ± .003
.840 ± .003
.811 ± .004
—
.551 ± .003
D
.200 ± .0005
.550 ± .0005
.216 ± .0005
.1545 ± .0005
.111 ± .0005
E
.530 ± .001
.330 ± .001
.530 ± .001
.344 ± .001
.3125 ± .001
G
.500 ± .001
.388 ± .001
.280 ± .001
GG
#.138-32UNC-2B
+.003
.145
- .000
#.112-40UNC-2B
+.002
.116
-.000
#.112-40UNC-2B
+.002
.116
-.000
JJ
+.002
-.000
+ .000
- .010
.056
+.002
-.000
.056
.046 ± .005
.104
+ .000
- .010
.104
+ .000
- .010†
± .0005a&b
.500 ± .001
± .001 c&d
# .138-32UNC-2B # .138-32UNC-2B
+.003
+.003
.145
.145
- .000
- .000
.500
*To fit within +. 002 of extruded waveguide for good alignment.
† Modified for MIL-F-39000/3B.
2-6
FLANGES & WAVEGUIDE
DATA
SHEET
No. T22D
4 of 8
®
STANDARD DOUBLE-RIDGE FLANGES
SIZE
A
B
C
K
N
P
R1
R2
R3
WRD-200D24
2.590 ± .004
1.205 ± .004
2.160 ± .015
3.550 ± .015
.512 ± .002
.648 ± .002
.102 ± 10%
.050 MAX
.250 MAX
WRD-350D24
1.480 ± .003
.688 ± .003
2.000 ± .015
2.750 ± .015
.292 ± .002
.370 ± .002
.058 ± 10%
.030 MAX
.500 MAX†‡
WRD-475D24
1.090 ± .003
.506 ± .003
1.391 ± .015
1.969 ± .015
.215 ± .002
.272 ± .002
.043 ± 10%
.030 MAX
.250 x 45º
DR19
1.025 ± .003
.475 ± .003
1.500 ± .015
2.125 ± .015
.191 ± .003
.256 ± .003
.062 ± 10%
.030 MAX
250 MAX
L
2.750*
1.608*
1.190*
1.125*
M
1.365*
.816*
.606*
.575*
.370 ± .010
.188 ± .005
+.000
.056
- .000
.245 ± .010
.125 ± .005
+.002
.056
- .000†
.245 ± .010
.125 ± .005†
+.002
.056
- .000
.245 ± .010
.125 ± .005
+.002
.052
- .000
.047 ± .005
+ .000
.104
- .010†
.810 ± .004†
1.600 ± .004†
.047 ± .005
.10 + .000
4 - .010†
.630 ± .004
1.214 ± .004
.056 ± .005
V
W
.047 ± .005
.1 + .000
04 - .010†
1.320 ± .004
2.710 ± .004
.548 ± .004
1.101 ± .004
D
E
G
H*
.821 ± .003
1.571 ± .003
.427 ± .003
.877 ± .003
.500 ± .003
1.125 ± .003
.438 ± .003
.750 ± .003
.312 ± .003
.837 ± .003
.263 ± .003
.545 ± .003
.312 ± .003
.813 ± .003
.312 ± .003
.500 ± .003
J
R
Y
R4
U
.112 ± .002
To fit within +. 002 of extruded waveguide for good alignment.
† Modified from MIL-F-39000/3B.
‡ .250 x 45º chamfer optional.
2-7
DATA
SHEET
No. T22D
5 of 8
FLANGES & WAVEGUIDE
SLIM & QUICK DISCONNECT FLANGES
SLIM
750-S
650-S
580-S
(1) Cover Flange is same as Gasket Flange without gasket groove.
(2) Hole Size, Waveguide, Gasket Groove, Pin Diameter, Backing
dimensions are same as pages 2 and 3.
(3) Hole P/N codes of 1, 2, 3, 4, and 5 are available
W/G SIZE
WRD-750D24
WRD-650D28
(4)
.400 ± .001
A
.425 ± .001
WRD-580D28
.450 ± .001
SLIM
475-S
DR19-S
(1) Cover Flange is same as Gasket Flange without
gasket groove and with clearance holes.
(2) Hole Size, Wavguide, Gasket Groove and
Backing dimensions are same as page 4.
(3) Hole P/N codes of 2, 3, 4, and 5 are available.
QUICK DISCONNECT
750-D
650-D
580-D
QUICK DISCONNECT
F750-D
F700-D
(1) Cover Flange is same as Gasket Flange without gasket groove and with .1251 / .1252 diameter Pins.
(2) DOUBLE-RIDGE Waveguide, Gasket Groove and Backing dimensions are same as page 3.
(3) MEC FLATGUIDE,® Gasket Groove and Backing dimensions are same as page 6.
(4) For quick disconnect clamp, order P/N 350 Series clamp.
(5) Quick disconnect Flanges are also available for WRD-475, DR19 & WRE-350 waveguide.
(1) See page 7 for a complete listing or part numbers.
(2) Other styles and sizes are also available.
2-8
FLANGES & WAVEGUIDE
DATA
SHEET
No. T22D
6 of 8
MEC FLATGUIDE® FLANGES
MEC FLATGUIDE® is reduced-height rectangular waveguide developed
by MEC which, under certain restrictions, can have broad frequency
bands comparable to double-ridge waveguide with about half the
insertion loss. Flatguide may be a superior alternative to double-ridge in
applications where:
(1) Bandwidth is between 1.7:1 to 2.4:1,
(2) Attenuation loss is critical and
(3) Long and reasonably straight runs are present.
To benefit from the lower loss of flatguide without exciting the
higher order. TE20 mode, the number of bends and twists must
be minimized and their sharpness reduced by using a large bend
radius typically 2 to 5 times the broadwall or “a” dimension.
Page 8 provides quantitative data for comparing
characteristics of doubleridge and MEC FLATGUIDE. ®
the
Our engineering department would be happy to analyze your specific
application and recommend the best waveguide, existing or customdesigned.
SIZE
A
B
C
D
E
G
H
J
K
L
M
R2
R3
R4
R
U
V
W
Y
GG
F750
.847 ± .003
.312 ± .003
1.375 ± .015
.200 ± .0005
.4235 ± .001
.500 ± .001
—
.245 ± .010
1.375 ± .015
.975*
.440*
.020 MAX
1/8 x 45º
.047 ± .005
.145 ± .005
+ .000
.104
- .010
.437 ± .003
.967 ± .003
+ .002
.056
- .000
#.138-32UNC-2B
F700
F400
.965 ± .002
.320 ±.002
1.500 ± .010
.216 ± .0005
.562 ± .001
.216 ± .0005
—
.245 ± .010
1.620 ± .010
1.083*
.438*
.020 MAX
1/8 x 45º
.047 ± .005
.125 ± .005
+ .000
.104
- .010
.630 ± .004
1.214 ± .004
+ .002
.056
- .000
+ .003
.145
- .000
1.668 ± .004
.506 ± .004
1.500 ± .010
.500 ± .002
1.100 ± .002
.314 ± .002
.570 ± .002
.245 ± .010
2.500 ± .010
1.796*
.634*
.030 MAX
1/8 x 45º
.047 ± .005
.125 ± .005
+ .000
.104
- .010
.680 ± .002
1.792 ± .002
+ .002
.056
- .000
#.138-32UNC-2B
+.003
+ .003
#.138-32UNC-2B
.145
- .000
- .000
*To fit within + .002 of extruded waveguide for good alignment.
JJ
.145
MEC FLATGUIDE® is a registered trademark of Microwave Engineering Corporation.
2-9
FLANGES & WAVEGUIDE
DATA
SHEET
No. T22D
7 of 8
®
FLANGES FOR DOUBLE – RIDGE WAVEGUIDE & MEC FLATGUIDE®
WAVEGUIDE
WRD( )
FREQUENCY
RANGE
(GHz)
180C24
18.0 – 40.0
110C24
11.0 – 026.5
STANDARD FLANGES
UNPRESSURIZED
PRESSURIZED
PAIR
PAIR
180-C-X 180-C-Y*
180-G-X 180-C-Y*
(X, Y ≠ 4, 5)
(X, Y ≠ 4, 5)
110-C-X 110-C-Y*
110-G-X 110-C-Y*
(X, Y ≠ 4, 5)
(X, Y ≠ 4, 5)
750D24
7.5 – 18.0
750-C-X 750-C-Y
750-G-X 750-C-Y
650D28
6.5 – 18.0
650-C-X 650-C-Y
650-G-X 650-C-Y
580D28
5.8 – 16.0
580-C-X 580-C-Y
580-G-X 580-C-Y
475D24
4.75 – 11.0
DR19
4.75 – 11.0
350D24
200D24
150D24
840U24
F750
FLATGUIDE
F700
FLATGUIDE
F700C
FLATGUIDE
F400
FLATGUIDE
3.5 – 8.2
2.0 – 4.8
1.5 – 3.6
0.84 – 2.0
7.5 – 18.0
7.0 – 18.0
7.0 – 18.0
4.0 – 10.4
*Acceptable X’s:
connect to
Compatible Y’s
475-C-X 475-C-Y
DR19-C-X
DR19-C-Y
350-C-X 350-C-Y
200-C-X 200-C-Y
150-C-X 150-C-Y
840-C-X 840-C-Y
F750-C-X
F750-C-Y
F700-C-X
F700-C-Y
F700B-C-X
F700B-C-Y
F400-C-X
F400-C-Y
475-SC-X
475-SC-Y
DR19-G-X
DR19-C-Y
350-G-X 350-C-Y
200-G-X 200-C-Y
150-G-X 150-C-Y
840-G-X 840-C-Y
F750-G-X
F750-C-Y
F700-G-X
F700-C-Y
F700B-G-X
F700B-C-Y
F700-C-X
F700-C-Y
1 = alternate tap & clearance holes
1 = alternate tap & clearance holes
PART NUMBERS OF MEC MATING FLANGES
SLIMLINE FLANGES
UNPRESSURIZED
PRESSURIZED
PAIR
PAIR
⎯
QUICK DISCONNECT FLANGES
UNPRESSURIZED PRESSURIZED
PAIR
PAIR
⎯
⎯
⎯
⎯
⎯
750-DC 750-DC
750-DG 750-DG
650-DC 650-DC
650-DG 650-DG
580-DC 580-DC
580-DG 580-DG
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
F750-DC
F750-DC
F700-DC
F700-DC
⎯
⎯
⎯
⎯
F750-DG
F750-DG
F70-DG
F700-DG
⎯
⎯
⎯
⎯
750-SC-X
750-SC-Y
650-SC-X
650-SC-Y
580-SC-X
580-C-Y
475-SC-X
475-SC-Y
DR19-SC-X DR19-SC-Y
(X, Y ≠ 1)
⎯
⎯
⎯
⎯
750-SG-X
750-SC-Y
650-SG-X
650-SC-Y
580-SG-X
580-C-Y
475-SG-X
475-SC-Y
DR19-SG-X DR19-SC-Y
(X, Y ≠ 1)
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
2 = all tapped
3 = all clearance, or
4 = captive screws
⎯
3 = all clearance
2 = all tapped, or
5 =threaded inserts
⎯
4 = captive screws
2 = all tapped, or
5=threaded inserts
⎯
5 = threaded inserts
3 = all clearance, of
4 = captive screws
CROSS-REFERENCE OF MEC TO EQUIVALENT MIL-SPEC FLANGES
WAVEGUIDE
WRD- ( )
M23351/4-
180C24†
045
110C24
041
750D24
037
650D28
—
580D28
—
475D24
033
DR19
049
350D24
029
200D24
025
150D24
021
840U24
017
F750
FLATGUIDE
F700
FLATGUIDE
F700C
FLATGUIDE
F400
FLATGUIDE
M85/4-033
M85/4-029
M85/4-027
(COPPER)
M85/4-023
P/N
DESIG’N
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M39000/3 ( )
MEC-( )
M3922/75 ( )
MEC-( )
M3922/75 ( )
MEC-( )
M3922/75 ( )
MEC-( )
M3922/75 ( )
PART NUMBERS OF STANDARD FLANGES
COVER
ALTERNATE TAPPED CLEARENCE ALTERNATE
180-C-1
180-C-2
180-C-3
180-G-1
084
086
088
—
110-C-1
110-C-2
110-C-3
—
—
—
—
—
750-C-1
750-C-2
750-C-3
750-G-1
—
074
076
078
650-C-1
650-C-2
650-C-3
650-G-1
—
074
—
—
580-C-1
580-C-2
580-C-3
580-G-1
—
—
—
—
475-C-1
475-C-2
475-C-3
475-G-1
036
038
040
060
DR19-C-1
DR19-C-2
DR19-C-3
DR19-G-1
042
044
046
066
350-C-1
350-C-2
350-G-3
350-G-1*
030
032
034
054
200-C-1
200-C-2
200-C-3
200-C-1
024
036
028
048
150-C-1
150-C-2
150-C-3
150-G-1
004
—
—
—
840-C-1
840-C-2
840-C-3
840-G-1
001
—
—
—
F750-C-1
F750-C-2
F750-C-3
F750-G-1
18
—
—
17
F700-C-1
F700-C-2
F700-C-3
F700-G-1
22
—
—
20
F700B-C-1 F700B-C-2 F700B-C-3
F700B-G-1
21
—
—
19
F400-C-1
F400-C-2
F400-C-3
F400-G-1
24
—
—
23
*Modified gasket and groove dimensions.
GASKET
TAPPED CLEARENCE
180-G-2
180-G-3
—
—
—
—
—
—
750-G-2
750-G-3
080
082
650-G-2
650-G-3
—
—
580-G-2
580-G-3
—
—
475-G-2
475-G-3
062
064
DR19-G-2
DR19-G-3
068
070
350-G-2*
350-G-3
056
058
200-G-2
200-G-3
050
052
150-G-2
150-G-3
—
—
840-G-2
840-G-3
—
—
F750-G-2
F750-G-3
—
—
F700-G-2
F700-G-3
—
—
F700B-G-2 F700B-G-3
—
—
F400-G-2
F400-G-3
—
—
ENVELOPE DIMENSIONS
(INCHES
WIDTH HEIGHT THICK.
WEIGHT
(LBS)
(ALUM.)
.875
.875
.188
.013
1.000
1.000
.245
.020
1.375
1.375
.245
.037
1.375
1.375
.245
.037
1.375
1.375
.245
.035
1.969
1.391
.245
.048
2.125
1.500
.245
.060
2.750
2.000
.245
.10
3.550
2.160
.370
.15
5.438
3.750
8.312
5.000
.370
.750
.370
1.000
.55
1.1
.85
2.3
1.375
1.375
.245
.35
1.620
1.500
.245
.046
1.620
1.500
.245
.147
(BRASS)
2.500
1.500
.250
.063
† For WRD-180c24, MEC flange is butt type , MIL flange is through type.
2 - 10
FLANGES & WAVEGUIDE
DATA
SHEET
No. T22D
8 of 8
CHARACTERISTICS OF DOUBLE-RIDGE WAVEGUIDE & MEC FLATGUIDE®
FREQUENCIES
Power (kw)
WAVEGUIDE (1)
DIMENSIONS (INCHES)
ATTENUATION
(GHz)
STD. TEMP &
WEIGHT dB/tt. MAX
PRESS.
INNER
OUTER
TE10
Lb/tt
OPERATING
WRD- ( ) M23351/4CUT WIDTH HGHT. GAP RIDGE RAD WIDTH HGHT WALL
FLEX AVERAGE PEAK
RANGE
RIGID
OFF
A
B
N
P
R1
L
M
t
(3)
(4)
(5)
180C24
045
18.0-40.0
15.24
.288
.134 .057
.072
.011 .368 .214 .040
.06
.45
1.1
.18
3.5
110C24
041
11.0-26.5
9.32
.471
.219 .093
.118
.019 .551 .299 .040
.09
.22
.48
.50
9.4
750D24
037
7.5-18.0
6.35
.691
.321 .136
.173
.027 .791 .421 .050
.17.
.12
.23
1.3
20.0
650D28
—
6.5-18.0
5.49
.720
.321 .101
.173
.022 .820 .421 .050
.18
.14
.28
1.2
15.6
580D28
—
5.8-16.0
5.07
.780
.370 .120
.200
.043 .880 .470 .050
.21
.11
.22
1.5
25.8
475D24
033
4.75-11.0
4.02
1.090 .506 .215
.272
.043 1.190 .606 .050
.30
.06
.11
3.2
49.9
DR19
049
4.75-11.0
4.23
1.025 .475 .191
.256
.062 1.125 .575 .050
.28
.07
.14
2.6
48.0
350D24
029
3.5-8.2
2.96
1.480 .688 .292
.370
.058 1.608 .816 .064
.51
.04
.08
6.0
92.2
200D24
025
2.0-4.8
1.69
2.590 1.205 .512
.648
.102 2.750 1.365 .080
1.27
.02
.05
17.9
284
150D24
021
1.5-3.6
1.26
3.455 1.607 .638
.864
.137 3.615 1.767 .080
1.96
.01
.03
43.9
512
840U24
017
0.84-2.0
.708
6.167 2.868 1.219 1.542 .244 6.417 3.118 .125
5.84
.004
.01
169
1620
F750(2) M85/4-033
7.5-18.0
6.968
.847
.312
—
—
—
.975 .440 .064
.20
.17
—
.94
94.2
F700(2) M85/4-029
7.0-18.0
6.116
.965
.320
—
—
—
1.083 .438 .059
..21
.11
—
1.5
145
M85/4-027
F700C(2)
7.0-18.0
6.116
.965
.320
—
—
—
1.083 .438 .059
.67
.075
—
2.25
145
(OFHC)
F400(2) M85/4-023
4.0-10.4
3.538 1.668 .506
—
—
—
1.796 .634
064
.35
.054
—
4.4
379
TYPICATL ATTENUATION (dB/ft.)
TIME DELAY
(nsec./ft.)
(1) Material is Aluminum 6063 Alloy, except 6061 for F400. F700 is also available in OFHC as F700C
(2) MEC FLATGUIDE is an over-moded waveguide of reduced-height rectangular cross-section.
(3) Attenuation of the equivalent flexible double -ridge waveguide is listed for comparison purposes.
(4) Average power shown results in a waveguide temperature rise of 110ºC above ambient.
(5) At 14.7 PSIA internal pressure (sea level) and includes a 4X power safety factor.
FREQUENCY (GHz)
2 - 11
DOUBLE-RIDGE WAVEGUIDE
MEC FLATGUIDE® GASKETS
R09 SERIES
F09 SERIES
DATA
SHEET
No. T55C
• PRESSURE SEAL
• PRESSURE SEAL
• RF SHIELDING
• -55°C TO +125°C
DESCRIPTION
MEC offers the R09-P and the F09-P Series of flouro-silicone gaskets for
pressure sealing. These gaskets are qualified for severe environments up
to 45 psi over a temperature range of - 55°C to +125°C. Silver-loaded
flouro-silicone rubber exhibiting extremely low dc volume resistivity of
.015 Ohm-cm max. is used for MEC’s R09-S and F09-S Series of Gaskets.
They provide excellent EMI Shielding of 90dB min. and pressure sealing
over the temperature range of -55°C to +125°C. They are used with MEC
grooved flanges for Double-Ridge Waveguide and MEC FLATGUIDE.
These gaskets are reliable, lightweight, and will withstand exposure to salt
spray, fungus growth, jet fuel, hydraulic fluid, and other compounds
commonly encountered in severe environmental conditions.
SPECFICATIONS
GASKET
MODEL
FLANGE
DESIGNATION
WAVEGUIDE
TYPE
GASKET DIMENSIONS (INCHES)
A
B
D
E
F
FREQUENCY
(GHZ)
WAVEGUIDE
DESIGNATION
R09
7.5-18.0
WRD-750D24
MEC-750G
DOUBLE
RIDGE
.816
.446
.047
.094
.067
R09-7
6.5-18.0
WRD-650D28
MEC-650G
DOUBLE
RIDGE
.845
.446
.047
.094
.067
R09-8
5.8-16.0
WRD-580D28
MEC-580G
DOUBLE
RIDGE
.905
.505
.047
.094
.067
R09-1
4.75-11.0
WRD-475D24
MEC-475G
DOUBLE
RIDGE
1.219
.635
.047
.094
.067
R09-2
3.5-8.2
WRD-350D24
MEC-350G
DOUBLE
RIDGE
1.605
.815
.047
.0
.067
R09-3
2.0-4.8
WRD-200D24
MEC-200G
DOUBLE
RIDGE
2.715
1.330
.047
94
.067
R09-9
4.75-11.0
DR-19
MEC-DR19G
DOUBLE
RIDGE
1.106
.553
.054
.107
.061
F09
7.5-18.0
F750 MEC
FLATGUIDE
MEC-F750G
REDUCED
HEIGHT
.969
.439
.047
.094
.067
F09-1
7.0-18.0
F700 MEC
FLATGUIDE
MEC-F700G
REDUCED
HEIGHT
1.219
.635
.047
.094
.067
F09-2
4.3-10.5
F400 MEC
FLATGUIDE
MEC-F400G
REDUCED
HEIGHT
1.797
.685
.047
.094
.067
Add suffix “P” for pressure seal only.
Add suffix “S” for EMI shielding and pressure seal.
2 - 12
STRAIGHT SECTIONS, BENDS AND TWISTS
R10 R120 R130 R150 SERIES
DATA
SHEET
No. T34E
• LOW VSWR
• LOW INSERTION LOSS
• PRECISION FABRICATION
DESCRIPTION
MEC offers a complete line of waveguide assemblies in
straight sections R10 Series; single E-plane bends R120
Series; H-bends R130 Series and twists R150 Series.
Besides the choice of length, bend angle and flange type,
these assemblies may also include a wide variety of options
such as built-in pressure windows, pressurizing ports,
valveS, gauges, integral coaxial adapter at one or both ends,
bulkheads or brackets for special mounting.
Custom configurations combining multiple bends, rigid and flexible
sections with any of the options above may be made to customer
drawing or by fit-checking in actual installation.
The standard bends such as those listed below can be formed, pressed or machined
depending on application. Insertion loss is the same as straight waveguide and VSWR is
1.10:1 maximum.
Waveguide is aluminum and conforms to MIL-W-23351, finish is chromate conversion
per MIL-C-5541, Class 3 and paint is gray epoxy enamel.
SPECIFICATIONS
FREQUENCY
(GHz)
WAVEGUIDE
SIZE
STRAIGHT
SECTION
MODEL NO.
18.0 – 40.0
11.0 – 26.5
7.5 – 18.0
6.5 – 18.0
5.8 – 16.0
4.75 – 11.0
4.8 – 11.0
3.5 – 8.2
2.0 – 4.8
WRD-180C24
WRD-110C24
WRD-750D24
WRD-650D28
WRD-580D28
WRD-475D24
DR-19
WRD-350D24
WRD-200D24
R15
R16
R10
R17
R18
R11
R19
R12
R13
E PLANE
BEND
MODEL NO.
R125
R126
R120
R127
R128
R121
R129
R122
R123
A
H PLANE
BEND
MODEL NO.
1.5
1.5
1.6
1.5
1.6
2.5
2.5
3.0
6.5
R135
R136
R130
R137
R138
R131
R139
R132
R133
A
1.5
1.5
1.7
1.7
1.7
3.0
3.0
3.5
7.0
MACHINED
H BEND
MODEL NO.
A
R130M
R137M
R138M
R131M
R139M
R132M
R133M
.925
.925
.925
1.25
1.312
1.625
2.15
TWIST
MODEL NO.
A
R155
R156
R150
R157
R158
R151
R159
R152
R153
3.0
4.0
5.0
5.0
5.0
5.5
5.5
6.0
11.0
(1) For straight sections, add suffixes to the model number as follows:
(a) Length: Specify flange face-to-face length in inches.
(b) Flanges: C for Cover
G for Gasket
Integral
Coax
Adapter
Pressure Boss
1for alternate tapped and clearance holes
2 for all tapped holes
4 for all captive screws
3 for all clearance holes
5 for all threaded inserts
(2) For bends and twists:
(a) Unless otherwise specified, units are supplied as 90° bends or
twists. For angles other than 90°, specify desired angle and leg
lengths.
(b) C1 cover flanges are standard.(c) Always specify
frequency band desired, if not full band, to obtain best VSWR.
Built-In
Pressure
Windows
2 - 13
DOUBLE-RIDGE TO RECTANGULAR WAVEGUIDE
TRANSITIONS
R30 SERIES
DATA
SHEET
No. T8F
1 of 2
• LOW VSWR
• WIDE SELECTION
• FUNDAMENTAL & OVER-MODED TYPES
DESCRIPTION
These precisely machined transitions allow
connection of double-ridge waveguides to
rectangular waveguides or other ridge guides
with low insertion loss and good match. In the
overlapping frequency band common to both
waveguides, VSWR is 1.06:1 max.
These transitions are most suitable for
laboratory set-ups to measure double-ridge
components with rectangular waveguide test
equipment and vice versa. Special narrow
frequency bands may be requested to yet more
stringent requirements.
Matched transitions are also offered which
transform a ridge waveguide into several
rectangular waveguides operating ABOVE the
fundamental frequency band of the ridge
guide. Such over-moded transformers are
needed in order to measure suppression
characteristics of harmonic absorption filters
and other wideband components. Coverage is
available up to the second and third harmonic
of the double-ridge fundamental frequency
band. Excitation of higher order modes in the
transitions themselves is minimized so as not to
degrade measurement accuracy.
The attached table lists the transition model
numbers and maximum lengths for the
fundamental and over-moded types.
Material is aluminum. Finish is chromate
conversion per MIL-C-5541, Class 3, painted
with gray epoxy enamel. Other lengths, bands
and types may also be requested.
2 - 14
DOUBLE-RIDGE TO RECTANGULAR WAVEGUIDE
TRANSITIONS
R30 SERIES
DATA
SHEET
No. T8F
2 of 2
MODEL NUMBERS AND LENGTHS
OF DOUBLE-RIDGE TO RECTANGULAR WAVEGUIDE TRANSITONS
RECTANGULAR WAVEGUIDE
MEC FLATGUIDE
FREQ.
26.5-40.0 22.0-33.0 18.02-26.5 15.0-22.0 12.4-18.0 10.0-15.0 8.2-12.4 7.0-11.0 7.05-10.0 5.85-8.2 4.90-7.05 3.95-5.85
(GHz)
DOUBLE-RIDGE
WAVEGUIDE
3.30-4.90 2.60-3.95 2.25-3.30 1.70-2.60 1.12-1.70 1.0-1.46 7.5-18.0 7.0-18.0 4.3-10.5
WR-
28
34
42
51
62
75
90
102
112
137
159
187
229
284
340
430
650
770
F750
F700
F400
BAND
A
Y
K
N
P
M
X
W
H
J
D
G
B
S
LS
LA
L
E
F10
F11
F12
UG1530/U*
UG597/U
M3922/
70-011
UG1665/U
M3922/
53-008
UG135/U
M3922/
70-002
UG138/U
UG441/U
CMR159
UG407/U
CMR229
UG584/U
UG554/U
UG1711/U
UG418/U
WR770
F750
C1
F700
C1
F400
C1
FREQ.
(GHz)
WRD-
MODEL MEC
UGFLANGE
NO. FLANGE
599/U*
18.0-40.0
180-C24
R35
180C1
R35-A
2.0
R35-Y
2.0
R35-K
2.0
11.0-26.5
110-C24
R36
110C1
R36-A
2.0
R36-Y
2.0
R36-K
2.0
R36-N
2.5
R36-P
2.5
R36-M
3.0
R36-X
3.0
7.5-18.0
750-D24
R30
750C1
R30-A
6.0
R30-Y
6.0
R30-K
6.0
R30-N
4.0
R30-P
4.0
R30-M
4.5
R30-X
5.0
R30-W
5.0
R30-H
4.5
6.5-18.0
650-D28
R37
650C1
R37-A
6.0
R37-Y
6.0
R37-K
6.0
R37-N
4.0
R37-P
4.0
R37-M
4.5
R37-X
5.0
R37-W
5.0
R37-H
4.5
R37-J
6.0
5.8-16.0
580-D28
R38
580C1
R38-A
6.0
R38-Y
6.0
R38-K
6.0
R38-N
6.0
R38-P
4.0
R38-M
4.5
R38-X
5.0
R38-W
5.0
R38-H
4.5
R38-J
6.0
R38-D
6.0
4.75-11.0
475-D24
R31
475C1
R31-A
6.0
R31-Y
6.0
R31-K
6.0
R31-N
6.0
R31-P
6.0
R31-M
6.0
R31-X
6.0
R31-W
5.0
R31-H
4.5
R31-J
5.8
R31-D
6.0
R31-G
6.0
R31-F12
6.0
4.8-11.0
DR-19
R39
DR19C1
R39-A
6.0
R39-Y
6.0
R39-K
6.0
R39-N
6.0
R39-P
6.0
R39-M
6.0
R39-X
6.0
R39-W
5.0
R39-H
4.5
R39-J
6.0
R39-D
6.0
R39-G
6.0
R39-F12
6.0
3.5-8.2
350-D24
R32
350C1
R32-Y
6.0
R32-K
6.0
R32-N
6.0
R32-P
6.0
R32-M
6.0
R32-X
6.0
R32-W
6.0
R32-H
6.0
R32-J
6.0
R32-D
6.0
R32-G
6.0
R32-B
6.0
R32-S
6.0
2.0-4.8
200-D24
R33
200C1
R33-P
6.0
R33-M
6.0
R33-X
7.0
R33-W
7.0
R33-H
7.0
R33-J
8.0
R33-D
8.0
R33-G
9.0
R33-B
9.0
R33-S
9.0
R33-LS
9.0
R33-LA
9.0
1.0-2.0
840-U24
R34
840C1
R34-J
12.0
R34-D
12.0
R34-G
12.0
R34-B
12.0
R34-S
12.0
R34-LS
9.0
R34-LA
9.0
R30-F10 R30-F11
3.25
5.0
R37-F10 R37-F11
3.25
5.0
R38-F10 R38-F11
3.25
5.0
R34-L
12.0
R34-E
12.0
Over-Model Units shown in shaded area
A WIDE SELECTION OF DOUBLE RIDGE TO DOUBLE RIDGE TRANSITIONS IS ALSO AVAILABLE.
CONTACT MEC FOR ADDTION DETAILS.
2 – 15
1551 STREET, NORTH ANDOVER, MA 01845 • TEL (978) 685-2776 • FAX (978) 975-4363 • Website: www.microwaveeng.com • Email: [email protected]
DOUBLE-RIDGE
WAVEGUIDE-TO-COAXIAL ADAPTERS
R40 SERIES
DATA
SHEET
No. T7E
• ULTRA-SHORT LENGTH
• LOWEST VSWR
• HIGH POWER
DESCRIPTION
MEC R40 Series Adapters provide broadband capability
in a very compact form and allow transmission of power in
either direction with very low reflection. VSWR over a full
octave band is often less than 1.10. Swept frequency test
data is supplied on request.
B
Assemblies are furnished with an aluminum housing.
Connectors are in accordance with MIL-C-39012. Finish
is chromate conversion per MIL-C-5541, Class 3, painted
with gray epoxy enamel.
A
SPECIFICATIONS
FREQUENCY
RANGE (GHz)
WAVEGUIDE
SIZE
R45
18.0-40.0
WRD-180C24
R46
11.0-26.0
R40
STANDARD
FLANGE
DIMENSIONS (IN.)
A MAX.
B±.03
TYPICAL
VSWR
180C-1
1.05
0.82
1.25
WRD-110C24
110C-1
1.05
0.79
1.15
7.5-18.0
WRD-750D24
750C-1
R47*
6.5-18.0
WRD-650D28
650C-1
1.30
0.65
1.10
R48
5.8-16.0
WRD-580D28
580C-1
R41
4.75-11.0
WRD-475D24
475C-1
1.75
1.17
1.06
R49
4.75-11.0
DR-19
DR19C-1
1.70
1.09
1.06
R42
3.5-8.2
WRD-350D24
350C-1
1.45
0.92
1.06
R43
2.0-4.8
WRD-200D24
200C-1
2.25
1.57
1.06
R44
1.0-2.0
WRD-840U24
840C-1
4.00
2.90
1.10
R404
.5-1.0
WRD-420U24
SPECIFY
12.0
9.5 ± .25
1.15
MODEL
*R47-N & -7 dimensions A & B are 1.50” & 1.00” respectively.
Select connector by
(1) Referring to Coaxial Connector Data Sheet T100 for a full listing of
available connectors and specs.
(2) Specify frequency band, power peak and average.
(3) Custom flanges, integral pressure windows, bends and other options
are available upon request.
2 - 16
DATA
SHEET
No. T74B
END LAUNCH ADAPTERS
RE40 SERIES
• BROAD BAND — OCTAVE OR MORE
• LOW VSWR
• HIGH POWER
DESCRIPTION
MEC state-of-the-art End Launch adapters fulfill the need
for in-line units with broadband capability. Their unique
design achieves low profile with short length, low loss and
VSWR.
Of special significance is the inherent ability of these
units to operate over a multi-octave band at high
power levels, making them ideal for EW/ECM
applications where transmission line routing space is
at a premium.
SPECIFICAITONS
MODEL
NO.
FREQUENCY RANGE
(GHz)
WAVEGUIDE
SIZE
VSWR
(MAX.)
BODY LENGTH
(IN.)
RE45
18.0 – 40.0
WRD180C24
1.5
2.0 Max
RE46
11.0 – 26.5
WRD110C24
1.4
2.0 Max
RE40
7.5 – 18.0
WRD750D24
1.3
2.75 Max
RE47
6.5 – 18.0
WRD650D28
1.3
2.65 Max
RE48
5.8 – 16.0
WRD580D24
1.3
3.0 Max
RE41
4.75 – 11.0
WRD475D24
1.25
3.5 Max
RE49
4.75 – 11.0
DR-19
1.25
3.5 Max
RE42
3.5 – 8.2
WRD350D24
1.25
4.8 Max
RE43
2.0 – 4.8
WRD200D24
1.25
6.5 Max
(1) Add the following suffixes to the model number to specify connector and power:
(a) CONNECTOR:
-3 for SMA female
-T for TNC female -N for type N
Female
-3M for SMA male
-TM for TNC male -NM for type N male
-7 for precision 7mm
-SC for SC female
-SCM for SC male
(b) POWER: -P for high power levels, namely:
SC to 8.2 GHz-800 W av.
N
to 6
GHz-600 av. Derate lineraly to 300 W at 18 GHz.
TNC to 18 GHz-200 W av.
SMA to 18 GHz-50 W av.
RE47
EXAMPLE: RE43-SC-P is the model number for the WRD-200D24 Double-Ridge Waveguide to SC female
coaxial connector End Launch Adapter rated at 800 W average power.
(2) Other flanges, connectors and frequency ranges available on request. Alternate tapped
cover flange is standard.
RE47S
(3) Single ridge waveguide is available on special request.TYPICAL EXAMPLE: Frequency 2.6-5.2
GHz, VSWR 1.10, Length 1.30”.
2 - 17
POWER SAMPLERS
R50 SERIES
R50-S SERIES
DATA
SHEET
No. T15E
• LOW VSWR
• FULL BAND
• FLAT COUPLING
DESCRIPTION
MEC R50 Series samplers provide a convenient method of
monitoring an RF signal with almost no impact on its VSWR or
insertion loss. However, unlike more complex directional couplers,
these samplers have no inherent directivity and equally sample
signals propagating in either direction. They are therefore more
appropriate in well-matched transmission lines.
R50-( )-3
R51-( )-N
Samplers are ideal for monitoring frequency, power level, in
feedback loops and as diagnostics ports Samplers may also be
integrated into to other components such as high power
terminations, waveguide assemblies and coaxial adapters thus
eliminating a flange junction.
The standard length R50 Series samplers have cover flanges with
alternate tapped and clearance holes (C-1), while the shorter R50-S
series have cover flanges, all tapped (C-2). A selection of coaxial
connectors is available covering a full range of power levels,
frequency bands and environments.
Materials is aluminum, finish is chromate conversion per MIL-C-5541,
Class 3 and paint is gray epoxy enamel.
SPECIFICATIONS
Coupling:
Coupling Mean:
MODEL NUMBER
R50-S SERIES
30, 40, 50, 60, dB
± 1.0dB
Frequency Sensitivity:
VSWR
FREQUENCY RANGE (GHz)
R55
R55-S
R56
R56-S
R50
R50-S
R57
R57-S
R58
R58-S
R51
R51-S
R59
R59-S
R52
R52S
R53
R53-S
±1.0 dB max. (octave band)
Main Line 1.06 max.
WAVEGUIDE SIZE
18.0 – 40.0
WRD-180C24
11.0 – 26.5
WRD-110C24
7.5 – 18.5
WRD-750D24
6.5 – 18.0
WRD-650D28
5.8 – 16.0
WRD-580D28
4.75 – 11.0
WRD-475D24
4.8 – 11.0
DR19
3.5 – 8.2
WRD-350D24
2.0 – 4.8
WRD-200D24
R50 SERIES
FLANGE
MEC-180C1
MEC-180C2
MEC-110C1
MEC-110C2
MEC-750C1
MEC-750C2
MEC-650C1
MEC-650C2
MEC-580C1
MEC-580C2
MEC-475C1
MEC-475C2
MEC-DR19C1
MEC-DE19C2
MEC-350C1
MEC-350C2
MEC-200C1
MEC-200C2
A (INCHES ±.03)
1.00
.055
1.00
0.55
2.00*
1.00
2.00*
1.00
2.00*
1.00
2.00
1.25
2.00
1.25
2.00
1.00
2.00
1.00
*1.50 for SMA
(1) Add suffixes to model number as follows:
(a) COUPLING:
-30 for 30dB
-40 for 40dB
-50 for 50dB
-60 for 60dB
(b) CONNECTOR:
-17 for SSMA female
-3 for SMA female -N for type N female
-7 for precision 7mm
-SC for SC female
(c) FREQUENCY: Specify actual frequency band desired.
EXAMPLE: R57-40-3-6.5-18.0 is a WRD-650D28 waveguide for 40dB sampler
With SMA female connector operating full band from 6.5 to 18.0 GHz.
(2) Other connectors, couplings and bands available on request.
2 - 18
DOUBLE-RIDGE
WAVEGUIDE TERMINATIONS
R80 SERIES
DATA
SHEET
No.T9E
1 of 2
• LOW VSWR
• FULL BANDWIDTH
• COMPLETE SELECTION
DESCRIPTION
MEC
Double-Ridge
Waveguide
Terminations
cover
the
full
frequency band with low VSWR in
seven models of increasing power
capability:
1- (L) Low power having lowest VSWR for precision
laboratory measurement needs.
2- (LS) Low power with a sliding load element, adjustable
over more than half a guide wavelength at the lowest
frequency. Optional scale or vernier may be provided.
R80-X & R80-E SERIES
3- (M) Medium power, higher than standard laboratory
equipment but not high enough to require external fins.
4- (X) High power, finned for passive cooling.
5- (E) Extra high power, more finned for passive cooling
and or auxiliary forced-air cooling in customer’s
installation.
6- (F) Fan-cooled for power levels above 1 KW. They are
provided with an integral air fan for forced-air cooling and
a cord or connector for AC or DC power.
7- (WJ) Water or Liquid Cooled where a built-in coolant
jacket cools the internal RF absorber.
8- (W) True Water or Liquid Load where the water or
coolant is itself the actual absorber of input RF power.
Liquid cooled models (W) & (WJ) operate at typical inlet
coolant pressure of 10 PSIG, flow rate of 0.5 Gallon per
minute for every 1 kW of CW or average input RF power
and inlet coolant temperature of 10 to +65°C. Coolants
may be ordinary tap water, ethylene Glycol/water mixture,
PAO etc.
R80-WJ SERIES
Fin configurations may vary.
Standard flanges are cover type with alternate tapped and
clearance holes, MEC-C1 Series.
Other flanges may be
requested. Finish is chromate conversion per MIL-C-5541, Class
3. Paint is epoxy enamel; color is gray for the (L) & (LS) series
and black for all others.
A power sampler can be incorporated in any of the terminations.
Sampling levels range from 30 to 50 dB with typical flatness of
±0.5 dB over an octave band. For power sampling option add
“PS” to the model number.
Some of the standard models are listed in the table. For
terminations with custom size, heat sink, cooling fan or other
options, please contact us.
2 - 19
DOUBLE-RIDGE
WAVEGUIDE TERMINATIONS
R80 SERIES
MODEL
NUMBER
R85-L
R85-M
R85-X
R85-E
R86-L
R86-M
R86-X
R86-E
R80-LS
R80-L
R80-M
R80-X
R80-E
R80-WJ
R80-W
R87-LS
R87-L
R87-M
R87-X
R87-E
R87-WJ
R87-W
R88-LS
R88-L
R88-M
R88-X
R88-E
R88-WJ
R88-W
R81-LS
R81-L
R81-M
R81-X
R81-E
R81-WJ
R81-W
R89-LS
R89-L
R89-M
R89-X
R89-E
R89-WJ
R89-W
R82-LS
R82-L
R82-M
R82-X
R82-E
R82-WJ
R82-W
R83-LS
R83-L
R83-M
R83-X
R83-E
R83-WJ
R83-W
FREQUENCY
RANGE
(GHz)
WAVEGUIDE
SIZE
18.0-40.0
WRD-180C24
11.0-26.5
WRD-110C24
7.5-18.0
WRD-750D24
6.5-18.0
5.8-16.0
4.75-11.0
4.75-11.0
3.5-8.2
2.0-4.8
WRD-650D28
WRD-580D28
WRD-475D24
DR-19
WRD-350D24
WRD-200D24
MAX. AV.
POWER
(WATTS)
3
20
125
250
3
30
125
250
5
5
50
400
700
1,500
.7-6K
5
5
50
400
700
1,500
.7-6K
5
5
50
400
700
1,500
.7-6K
5
5
50
500
900
2,000
.9-8K
5
5
50
500
900
2,000
.9-8K
5
5
70
600
1,000
3,000
1-12K
10
10
70
700
1,200
5,000
1-20K
DATA
SHEET
No.T9E
2 of 2
DIMENSIONS (MAX. IN.)
VSWR
(MAX.)
1.08
1.09
1.10
1.10
1.04
1.05
1.05
1.06
1.04
1.04
1.05
1.05
1.07
1.08
1.08
1.04
1.04
1.05
1.05
1.07
1.08
1.08
1.04
1.04
1.05
1.05
1.07
1.08
1.08
1.03
1.03
1.05
1.05
1.07
1.08
1.08
1.03
1.03
1.05
1.05
1.07
1.08
1.08
1.03
1.03
1.05
1.05
1.07
1.08
1.08
1.03
1.03
1.05
1.08
1.08
1.10
1.10
A
B
C
2.20
4.50
7.25
7.25
3.00
6.50
9.50
9.50
10.00
4.00
8.30
10.50
10.50
10.50
—
—
2.10
2.10
—
—
2.10
2.10
—
—
—
2.10
4.60
4.60
—
—
1.95
10.00
4.00
8.30
10.50
10.50
10.50
—
—
—
2.10
4.60
4.60
10.00
4.00
8.30
11.25
10.50
10.50
—
—
—
2.10
4.60
4.60
13.50
8.75
8.75
12.00
12.00
12.00
—
—
—
2.10
4.60
4.60
13.50
8.75
8.75
12.00
12.00
12.00
—
—
—
2.10
4.60
4.60
16.00
10.50
10.50
13.10
13.10
13.10
—
—
—
2.10
4.60
4.60
21.00
12.00
12.00
18.00
18.00
18.00
—
—
—
2.10
4.60
4.60
LIQUID COOLANT
D
—
—
—
1.95
—
—
—
—
—
2.15
—
2.15
—
—
—
—
—
—
—
2.30
—
3.20
—
2.80
8.00
Contact factory
—
—
—
—
—
—
2.30
—
3.20
—
2.80
8.00
Contact factory
—
—
—
—
—
—
2.40
—
3.30
—
2.90
8.00
Contact factory
—
—
—
—
—
—
3.00
—
4.00
—
3.50
9.70
Contact factory
—
—
—
—
—
—
3.00
—
4.00
—
3.50
9.70
Contact factory
—
—
—
—
—
—
3.20
—
4.05
—
3.80
10.74
Contact factory
—
—
—
—
—
—
5.60
—
5.60
—
5.25
14.52
Contact factory
2 - 20
FLARED
TUBE
SIZE
FITTING
PER
MS33656E()
—
—
—
—
—
—
—
—
—
—
—
—
—
¼‘
—
—
—
—
—
—
—
—
—
—
—
—
—
4
—
—
—
—
—
¼”
—
—
—
—
—
4
—
—
—
—
—
¼”
—
—
—
—
—
4
—
—
—
—
—
¼”
—
—
—
—
—
4
—
—
—
—
—
¼”
—
—
—
—
—
4
—
—
—
—
—
½”
—
—
—
—
—
8
—
—
—
—
—
½”
—
—
—
—
—
8
MAGIC TEE HYBRIDS
R100 SERIES
R100-L SERIES
•
•
•
•
•
LOW VSWR
HIGH ISOLATION
LOW LOSS
LEVEL POWER SPLIT
FULLY QUALIFIED
DATA
SHEET
No. T14F
R100
R100-L
DESCRIPTION
The R100 Series magic tee is a versatile four-port hybrid which can vectorially add,
subtract or divide two signals. In its most common use, it splits an input signal at the H
or sum-port into two outputs of equal amplitude and phase at the colinear ports, with
typical tracking of .3dB and 5º. Used in reverse, the tee may also combine two in-phase
or out-of-phase signals into a common output with combined loss under 0.3 dB.
For low and medium-power cases not requiring out-of-phase splitting or combining, the R100-L series may be used. It has the E or difference port internally
terminated leaving only three accessible, well-matched ports.
Due to their outstanding electrical characteristics and superior construction, MEC’s magic tees have been selected for the harshest environments of ECM
systems onboard many of the most advanced military aircraft. They exceed the requirements of MIL-E-5400 for non-conditioned compartments and have
undergone extensive qualification testing including high power, temperature, altitude, vibration, shock, humidity, salt spray, sand, and dust.
R100 magic tees are available with many options including other mechanical configurations, pressure sealing, higher power versions and a large assortment of
waveguide flanges or coaxial connectors. They may also be networked together into N-way divider/combiner assemblies for high power summing and phasedarray applications.
Material is aluminum, flanges are cover type all tap, finish is chromate conversion per MIL-C-5541, Class 3 and paint is high temperature black epoxy enamel.
SPECIFICATIONS: R100 SERIES
Power Split:
3.1 ± 0.3 dB typ., ± 0.4 dB max.
Isolation, Colinear Ports:
17 dB typ., 12 dB min.
VSWR:
1.3 typ., 1.5 max
Isolation, E – H Ports:
30 dB min.
FREQUENCY
WAVEGUIDE
POWER (R100 Series)
DIMENSIONS (Inches ± .03)
MODEL
FLANGE
(GHz)
SIZE
PEAK (1)
AVERAGE(1)
L
E
H
R100
8.0 – 16.0
500W
5KW
MEC-750C2
R100-F
8.0 – 18.0
WRD-750D24
M39000/3-074
R100-1
8.5 – 18.5
NOTE:1
NOTE: 2
R100-2
7.5 – 18.0
Peak
Average
1.25
Applies
Applies
R107
8.0 – 18.0
1.20
2.00
At
At
R107-1
6.5 – 18.0
WRD-650D28
MEC-650C2
14.7 PSIA
110°
R107-2
6.5 – 18.5
Air
Rise
R107-3
6.0 - 18.0
(Sea Level)
Above
R108
8.0 – 16.0
Ambient
Ambient
WRD-580D28
MEC-580C2
R108-1
5.8 – 16.0
R101
4.8 – 9.6
MEC-475C2
WRD-475D24
M39000/3-038
600 W
R101-1
4.75 – 11.0
7 KW
3.00
1.75
1.50
(1)
(2)
R109
4.8 – 9.6
MEC-DR19C2
DR-19
M39000/3-044
R109-1
4.8 – 11.0
700 W
R102
4.0 – 8.0
MEC-350C2
8 KW
4.50
3.00
2.50
WRD-350D24
(1)
(2)
M39000/3-032
R102-1
3.5 – 8.2
700 W
MEC-200C/2
10 KW
6.00
3.00
4.20
R103
2.0 – 4.0
WRD-200D24
(1)
(2)
M39000/3-026
2 - 21
BROADWALL DIRECTIONAL COUPLERS
DATA
SHEET
No. T12E
1 of 2
• HIGH DIRECTIVITY OR
EXTRA HIGH
DIRECTIVITY
• BUILT TO LAST
DESCRIPTION
These directional couplers consist of double-ridge primary and
secondary waveguides sharing a common broadwall where multi-hole
arrays provide the required coupling level in the forward direction
relative to the input wave and high directivity in the reverse direction.
In the basic R160 series, the primary waveguide is flanged at both ends
with excellent VSWR and loss characteristics while the secondary has a
precision internal termination at its isolated end and a well-matched
coaxial output at the coupled port suitable for attaching a video crystal
detector or power monitor. In the H-bend style, a flange output is
provided in place of the connector for applications requiring a
waveguide coupled port.
The dual R200 series ahas two coupled secondaries to independently
monitor both the forward and reverse waves with the same or different
coupling level on each side.
Broadwall couplers are capable of superior directivity due to the large
number of coupling holes which can be used. As such, they are the
heart of any reflectometer test stand measuring the reflection of
double-ridge components. Given the importance of directivity, MEC
offers two options: the standard R160 & R200 with minimum
directivity of 30 dB adequate for most laboratory measurements of
VSWR down to about 1.12:1 and the R160A series with minimum
directivity of 38 dB to measure VSWR levels as low as 1.04:1 or to
perform measurements requiring high precision such as in standards
labs and to calibrate other devices.
Available options which can be provided upon request include
coupling levels as tight as 3 dB and as loose as 80dB, high power
versions for peak and CW transmitter stands, various mechanical
configurations, compact versions, pressure sealing and a large
assortment of waveguide flanges and coaxial connectors.
While most couplers of this type are made of waveguide extrusions and
discrete flanges which are joined together by dip-brazing. MEC’s
couplers are fabricated as an integral unit to minimize the number of
leaky seams, improve dimensional control, preserve surface finish and
prevent internal distortions. The result is a sturdy unit with superior
electrical performance well suited for many years of rough service on
the bench or in the field.
Flanges are cover type with alternate tapped and clearance holes.
Coaxial connectors are passivated stainless steel and solidly anchored
into the body. Finish is chromate conversion per MIL-C-5541, Class 3
and paint is gray epoxy enamel
2 - 22
DATA
SHEET
No. T12E
2 of 2
BROADWALL DIRECTIONAL COUPLERS
SPECIFICATIONS
Coupling: 10, 20, 30, 40, 50 dB
Frequency Sensitivity: ± 1.0 dB max,. (octave band)
Coupling Mean: ±0.8 dB
MODEL NUMBER
SINGLE
DUAL
R165
R205
R165A
—
R166
R206
R166A
—
R160
R200
R160A
—
R167
R207
R167A
—
R168
R208
R168A
—
R161
R201
R161A
—
R169
R209
R169A
—
R162
R202
R62A
—
R163
R203
R163A
—
FREQUENCY
RANGE(GHz)
WAVEGUIDE
SIZE
18.0 – 40.0
WRD-180C24
11.0 – 26.5
WRD-110C24
7.5 – 18.0
WRD-750D24
6.5 –18.0
WRD-650D28
5.8 – 16.0
WRD-580D28
4.75 – 11.0
WRD-475D24
4.8 – 11.0
DR19
3.5 – 8.2
WRD350-D24
2.0 – 4.8
WRD200-D24
Mainline VSWR: 1.06 max.
Secondary VSWR: 1.35:1 max., coaxial
1.2:1 max., waveguide
COUPLING
10-50
10,20
10-50
10,20
10-50
10,20
10-50
10,20
10-50
10,20
10-50
10,20
10-50
10,20
10-50
10,20
10-50
10,20
DIRECTIVITY
MIN
TYP
30
32
35
30
32
35
30
35
38
30
35
38
30
35
38
33
36
40
33
36
40
33
36
40
33
36
40
DIMENSIONS (Inches)
A 10, 20
A 30-50
B max
(1)
8.0
8.0
1.3
12.0
(1)
12.0
10.0
1.6
14.0
14.0
12.0
1.2
21.0
14.0
12.0
1.2
21.0
18.0
14.0
1.3
24.0
21.0
14.0
1.3
36.0
21.0
14.0
1.3
36.0
24.0
18.0
1.6
36.0
36.0
28.0
2.1
42.0
C
(1)
1.2
(1)
1.2
1.4
1.4
1.4
1.8
1.8
1.9
2.1
(1) 11-26.5 & 18-40 GHz couplers have H-Bend style secondaries.
(2) For dual 10 dB couplers, two single couplers are used back to back resulting in a length of 2A.
(1) Specify frequency limits if less than full band to obtain further optimization of specifications.
(2) Order by model number and add coupling level suffix as follows:
-10 for 10dB
-20 for 20dB
-30 for 30dB
-40 for 40dB
-50 for 50dB
(3) Specify suffix for secondary coaxial connector for all models (except 11-26.5 & 18-40 GHz) as follows:
-3 for SMA female
-T for TNC female
-N for type N female
-7 for precision 7 mm
(4) H-Bend and other styles available on special request.
2 - 23
DATA
SHEET
No. T13E
PRESSURE WINDOWS
• LOW VSWR
• HIGH POWER
• LOW LOSS
• HIGH PRESSURE
DESCRIPTION
MEC Double-Ridge Waveguide Pressure Windows offer low Reflection and Insertion Loss over the complete
waveguide bands, and have outstanding performance at high power. They have a gasket groove on one side and conform to
standard flange dimensions, with all clearance holes for installation between flanges. MEC windows have been extensively
tested and qualified to the most severe temperature, altitude and high power environments and exceed the requirements of
MIL-E-5400, Class 2. Bodies are aluminum and finish is chromate conversion per MIL-C-5541, Class 3. Special requirements
can be accommodated upon request.
SPECIFICATIONS
Operating Pressure: 30 PSIG max. in either direction
Proof Pressure:
>50 PSIG in either direction
Leak Rate:
<10-4 m1/minute at 30 PSIG
Thickness:
0.375”
FREQUENCY
INSERTION
VSWR
MODEL
RANGE
LOSS
(MAX)
(GHz)
(dB MAX)
WAVEGUIDE
SIZE
WAVEGUIDE
FLANGE
MAX. POWER
(WATTS, CW)
MEDIUM POWER
R275
18.0 – 40.0
1.25
0.3
WRD-180C24
MEC-180C3G3
R276
11.0 – 26.5
1.25
0.2
WRD-110C24
MEC-110C3G3
R270
7.5 – 18.0
1.1
0.1
WRD-750D24
MEC-750C3G3
R277
6.5 – 18.0
1.1
0.1
WRD-650D28
MEC-650C3G3
R278
5.8 – 16.0
1.1
0.1
WRD-580D28
MEC-580C3G3
R271
4.75 – 11.0
1.1
0.1
WRD-475D24
MEC-475C3G3
R279
4.75 – 11.0
1.1
0.1
DR-19
MEC-DR19C3G3
R272
3.5 – 8.2
1.1
0.1
WRD-350D24
MEC-350C3G3
R273
2.0 – 4.8
1.1
0.1
WRD-200D24
MEC-200C3G3
100
300
400
HIGH POWER
R270H
7.5 – 18.0
1.15
0.15
WRD-750D24
MEC-750C3G3
R277H
6.5 – 18.0
1.2
0.15
WRD-650D28
MEC-650C3G3
R278H
5.8 – 16.0
1.15
0.1
WRD-580D28
MEC-580C3G3
R271H
4.75 – 11.0
1.15
0.1
WRD-475D24
MEC-475C3G3
R279H
4.75 – 11.0
1.15
0.1
DR-19
MEC-DR19C3G3
R272H
3.5 – 8.2
1.15
0.1
WRD-350D24
MEC-350C3G3
R273H
2.0 – 4.8
1.15
0.1
WRD-200D24
MEC-200C3G3
1,000
Ordering by model number and specify the frequency band desired.
Higher Power, Lower VSWR or greater bandwidth are available upon request.
2 - 24
SLIDING AND FIXED MISMATCHES
R280 SERIES
DATA
SHEET
No. T26C
• OCTAVE BANDWIDTH
• ADJUSTABLE PHASE
• HIGH POWER DESCRIPTION
DESCRIPTION
The MEC R280 Series of Standard Mismatches is
designed to produce a constant VSWR over an octave
or more in frequency bandwidth. Both Low Power (L)
and High Power (H) units are available with Fixed
Mismatches (FM). The Low Power (L) units are also
made with Sliding Mismatches (SM), permitting phase
adjustment over a half waveguide wavelength at the
lowest operating frequency. VSWR accuracy of all
models is within 1%.
Applications include calibration of slotted lines, reflectometer
systems and similar set-ups, simulation of antenna impedance in
equipment under development, testing of microwave tubes with
variable phase terminations, etc.
A
The waveguide is aluminum with MEC Series C-1 flanges (cover type with alternate tapped and clearance holes). The
mismatched sliding elements are rigidly attached and include a fastening nut for locking at any desired setting. Units are
rugged and suitable for use as calibration standards. Body finish is chromate conversion per MIL-C-5541, Class 3, painted
with epoxy enamel on external non-mating surfaces.
SPECIFICATIONS
MODEL
NUMBER
FREQUENCY
RANGE
(GHz)
WAVEGUIDE
SIZE
FLANGE
LENGTH
A (IN.)
AVERAGE
POWER
(WATTS)
LOW POWER FIXED MISMATCHES
R280-LFM
8.0-18.0
WRD-750D24
MEC-750C1
R281-LFM
4.75-11.0
WRD-475D24
MEC-475C1
6.0
6.0
R282-LFM
3.5-8.2
WRD-350D24
MEC-350C1
7.0
R283-LFM
2.0-4.0
WRD-200D24
MEC-200C1
10.0
R289-LFM
4.75-11.0
DR-19
MEC-DR19C1
R280-HFM
8.0-18.0
WRD-750D24
MEC-750C1
8.0
R281-HFM
4.75-11.0
WRD-475D24
MEC-475C1
10.0
R282-HFM
3.5-8.2
WRD-350D24
MEC-350C1
10.0
R283-HFM
2.0-4.0
WRD-200D24
MEC-200C1
12.0
R289-HFM
4.75-11.0
DR-19
MEC-DR19C1
10.0
R280-LSM
8.0-18.0
WRD-750D24
MEC-750C1
R281-LSM
4.75-11.0
WRD-475D24
MEC-475C1
8.77
R282-LSM
3.5-8.2
WRD-350D24
MEC-350C1
10.3
R283-LSM
2.0-4.0
WRD-200D24
MEC-200C1
14.6
R289-LSM
4.75-11.0
DR-19
MEC-DR19C1
8.77
10
6.0
HIGH POWER FIXED MISMATCHES
200
LOW POWER SLIDING MISMATCHES
8.77
10
(1) Mismatches are available with VSWR values from 2.0 to 3.0. Specify VSWR and frequency band desired.
(2) Other flanges are available on request, as well as fixed short circuits
2 - 25
DOUBLE RIDGE WAVEGUIDE
DIRECTIONAL COUPLERS
R600 SERIES
R620 SERIES
DATA
SHEET
No. T68C
• SUPERIOR TRACKING
• OUT-OF-BAND REJECTION
• SUPER-FLAT COUPLING
DESCRIPTION
MEC Ultra-Flat Directional Couplers are compact, in-line devices with
extremely flat coupling over octave bands or up to the full waveguide range.
Another significant feature is that coupling falls off sharply above the
fundamental frequency band, making them more suited to power sampling in
systems where harmonic energy is non-negligible such as in wideband TWT
outputs. By discriminating against harmonic power, they result in greater
sampling accuracy compared to cross-guides and other coupler types.
The coupling response can be finely tailored to yield best flatness, directivity,
unit-to-unit tracking or even exhibit a tilt across the band, making these versatile
couplers useful for system and laboratory applications.
Standard flanges are cover with tapped holes. Material is aluminum. Finish is
chromate conversion per MIL-C-5541, Class 3 gray epoxy enamel.
SPECIFICATIONS
Bandwidth:
Coupling:
Coupling
Mean:
Flatness:
Tracking:
MODEL
NO.
Octave Band Standard
>Octave Band Optional
30 to 50dB
±0.5 dB
Directivity:
VSWR:
Insertion Loss
15dB min., center of Octave Band
Main Line 1.06 typical
Coaxial Secondary 1.4 typical
0.1 dB max.
±0.4 dB max., ±0.2.dB Optional
±0.4 dB max.
Models:
Flange:
Single Coupling R600 Series; Dual R620 Series
Cover all tapped standard
FREQUENCY WAVEGUIDE
RANGE (GHz)
SIZE
VSWR
PRIMARY
SECOND.
1.4
COUPLING
MEAN
FLATNESS
DIRECT.
DIMENSIONS
B
C max.
(3MM)
A
B(TYPE N)
2.1
1.14
2.1
1.14
.95
1.3
2.4
1.16
.97
1.3
R600, R620
7.5 – 18.0
WRD750D24
1.06
R607, R627
6.5 – 18.0
WRD650D28
1.06
1.4
R608, R628
5.8 – 16.0
WRD580D28
1.06
1.4
R601, R621
4.75 – 11.0
WRD475D24
1.06
1.4
±0.5 dB
R609, R629
4.75 – 11.0
DR-19
1.06
1.4
nominal
R602, R622
3.5 – 8.2
WRD350D24
1.06
1.4
3.0
1.32
1.13
1.3
R603, R623
2.0 – 4.8
WRD200D24
1.06
1.4
4.5
1.58
1.39
1.6
R605, R625
18.0 – 40.0
WRD180D22
1.15
1.6
2.0
N/A
.65*
1.0
30 –50dB
11dB
30 – 50 dB
±0.8dB nom.
±0.4
±0.7
min.
10 dB
.95
1.3
2.5
1.23
1.04
1.3
2.5
1.23
1.04
1.3
*R605, R625 only available with 1.7mm or “K” coax couple output.
(1) Add the following suffixes to the model number to specify coupling level, connector and frequency range:
(a) COUPLING LEVEL: Specify coupling desired between 30 & 50 dB.
(b) COAXIAL OUTPUT: -N for type N female coax up to 18 GHz. -17 for 1.7mm female coax.
-3 for 3mm female coax.
-K for “K” connector.
(c) Frequency:
Specify frequency band numerically in GHz
(2) Pressurizable units up to 30 PSIG available.
(3) Other flanges, connectors, shorter lengths and direction of coupling available on request.
2 - 26
REFLECTOMETER TEST SETS
R810 SERIES
DATA
SHEET
No. T80A
• 0.1 dB INSERTION LOSS RESOLUTION
• COMPLETE SUB-SYSTEM
• FULL BAND
• SMALL SIZE
• CONVENIENCE
Absorption Filter
Adapter
Reflectometer Coupler
Leveling Coupler
DESCRIPTION
MEC Reflectometer Test Sets reduce set-up time while facilitating state-of-the-art resolution broadband return and insertion loss measurements on double-ridge waveguide and coaxial components. Coaxial input is provided via a broadband, low VSWR Waveguide-to-Coaxial Adapter for connection to a sweep signal source. This is followed by a low loss
broadband Absorption Filter which suppresses harmonic and spurious frequencies often found in sweep signal sources.
Because of this high attenuation (typically 50 dB), fine grain is reduced over the full waveguide band, permitting insertion
loss resolution in the order of 0.1 dB to be easily measured. A 20 dB Leveling Coupler is next included to supply a source
of feedback for the sweep oscillator. The Test Set is completed by a 10 dB high directivity broadband Reflectometer
Coupler with MEC-C1 flange (cover type with alternate tapped and clearance holes) to which the device under test is
attached for return or insertion loss measurements. Assemblies are precision machined from aluminum with coaxial
connectors of stainless steel. Finish is chromate conversion with gray epoxy enamel.
SPECIFICATIONS
Insertion Loss Resolution: 0.1 dB
System Directivity: 35 dB min., 40 dB typ.
MODEL
FREQUENCY (GHz)
WAVEGUIDE SIZE
R810
7.5-18.2
WRD-750D24
R817
6.5-18.2
WRD-650D28
R818
5.8-16
WRD-580D28
R811
4.75-11
WRD-475D24
R812
3.5-8.2
WRD-350D24
R819
4.8-11
DR-19
R813
2.0-4.8
WRD-200
(1) Order by model number.
(2) Specify type N or SMA female or precision 7mm connector desired for each coaxial port.
(3) Coaxial components can be measured by adding a broadband, low VSWR waveguide-to-coaxial adapter to the
reflectometer coupler main line port. Specify R40A Series adapters.
(4) Custom designed test sets available on request.
2 - 27

MICROWAVE ENGINEERING CORPORATION DOUBLE

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