5687 and 6900 Consilidated Data from PEARL, Inc

Inc.
Web: http: // www. pearl - hifi . com
E-mail: custserv @ pearl - hifi . com
❦
Perkins Electro-Acoustic Research Lab, Inc.
86008, 2106 33 Ave. SW, Calgary, AB; CAN T2T 1Z6
Ph: + .1.403.244.4434 Fx: + .1.403.245.4456
Engineering and Intuition Serving the Soul of Music
Please note that the links in the PEARL logotype above are “live”
and can be used to direct your web browser to our site or to
open an e-mail message window addressed to ourselves.
To view our item listings on eBay, click here.
To see the feedback we have left for our customers, click here.
This document has been prepared as a public service . Any and all trademarks
and logotypes used herein are the property of their owners.
It is our intent to provide this document in accordance with the stipulations with
respect to “fair use” as delineated in Copyrights - Chapter 1: Subject Matter and
Scope of Copyright; Sec. 107. Limitations on exclusive rights: Fair Use.
Public access to copy of this document is provided on the website of Cornell Law School
at http://www4.law.cornell.edu/uscode/17/107.html and is here reproduced below:
Sec. 107. - Limitations on exclusive rights: Fair Use
Notwithstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work, including such use by reproduction in copies or phono records or by any other means specified by that section,
for purposes such as criticism, comment, news reporting, teaching (including multiple copies for classroom use), scholarship, or research, is not an infringement of copyright. In determining whether the use
made of a work in any particular case is a fair use the factors to be considered shall include:
1 - the purpose and character of the use, including whether such use is of a
commercial nature or is for nonprofit educational purposes;
2 - the nature of the copyrighted work;
3 - the amount and substantiality of the portion used in relation to the copyrighted work as a whole; and
4 - the effect of the use upon the potential market for or value of the copyrighted work.
The fact that a work is unpublished shall not itself bar a finding of fair use if such finding is made
upon consideration of all the above factors
♦
PDF Cover Page
♦
♦
Verso Filler Page
♦
,a.'-laL
5687WA
PREMIUM TUBE
TWIN TRIODE
MINIATURE TYPE
COATED UNIPOTENTIAL CATHODE
rJ�.·
HEATER
'
15
6. 3
116
T-s.!.
MAX.I
MAX.
�......L-.L
..
0.Q5 AMP.
ANY MOUNTING POSITION
12.6 VOLT OPERATION APPLY HEATER
VOLTAGE BETW E E N PIIS .� AID '5. fOR
V O L T O � ERATI 01 A P P L Y HEATER
VOLTAGE SETWEEI PIM .8 AMO PIMS .�
AID '5 TIED TOGETHER.
FOR
GLASS BULB
6.}
THE 56S7WA IS A RUGGEDIZED,
MINIATURE
0.9 AMP.
AC OR DC
I 216
�
2
VOLTS
12.6 VOLTS
BOTIOM VIEW
MINIATURE BUTTON
9 P I N BASE
9"
GENERAL PURPOSE MEDIUM-MU TWIN TRIODE OF TH�
BUTTON 9-PIN ALL GLASS CONSTRUCTION.
ELECTRICALLY INDEPENDENT,
ALTHOUGH THE
EACH TRIODE SECTION
TWO HEATERS HAVE A COMMON
NECTION PERMITTING EITHER A 6.3 OR 12.6 VOLT OPERATION.
HIGH PERVEANCE AND
HIGH EMISSION CAPABILITIES WHICH
PLATE CURRENT PULS ES IF A SUITABLY SHORT DUTY CYCL E
THIS TYPE
IS
CON­
HAS
ALL OW VERY HIGH
IS EMPL OYED.
THE
CATHODt MATERIAL IS CHOSEN TO MINIMIZE INTERFACE FORMATION, THUS MAKING
THE
56S7WA IDEAL
FOR TRIGGERED A PPLICATIONS INVOLVING L ONG PERIODS OF
S TAND-BY CUT-OFF
SE RVIC E.
SINCE
IT MUST BE ABLE TO
MECHANICAL TESTS TO MEET TEST SPECIFICATIONS ,
WITHSTAND SEVERE
THE 5687WA
IS ESPECIALLY
SUITED FOR USE IN INDUSTRIAL AND MILITARY A IRBORNE EQUIPMENT WHICH MAY
BE SUBJECTED TO SEVERE SHOCK AND VIBRATION.
DIRECT INTERELECTRODE CAPAC.TANCES
EACH
GRID
TO PLATE
G RID TO
CA T HOD
PLATE
GRID
TO
TO GRID
ij.O
(RATED)
(RATED)
CATHODE
TO PLATE
MAXIMUM
(APP ROX .)
6.3±·5%
DISSIPATION,
PLATE
MAXIMUM
DC
HEATER-CATHODE
MAXIMUM
DC
CATHODE
MAXIMUM
BULB
TUNG-SOL
_
A
EACH PLATE
VOLTAGE
CURRENT,
EACH
uuf
uu.f
uu.f
VALUES
VOLTAGE
MAXIMUM
--.
uu.f
uu.f
0.025
VOLTAGE
PLATE
0.6
0.75
ABSOLUTE MAXIMUM
DC
uu.f
7.0
(RATED)
(APPROX.)
u.u.f
Q.O
0.5
RATINGS
HEATER
WITHOUT
SHIELD
(RATED)
E
PLATE TO CATHODE
SECTION H
SECTION '2
HEATER
TRIODE UNIT
S
SECTION
TEMPERATURE
330
4.2
12.6t·5%
VOLTS
VOLTS
WATTS
uOO
V OL TS
65
+225
mAde
Qc
INDICATES A CHANGE.
ELECTRIC INC.
ELECTRON
TU8 E
DIVISION
8LOOMFIELD,
MEW �ERSEY, U . S . A .
MAY
1, 1959
PLATE
'5505
TU •• • •• L
5687WA
PREMIUM TUBE
CHARACTERISTICS RANGE VALUES FOR
Ef
"
12.6V, E_. 120Vde,
(EXCE�T
AS MODIFIED
IIITIAL
8ELOWJ
'ROD.
IIDIVIDUAl
MII.
MII.
MAl.
HEATER CURRENT
0.82
(Ef = 6. JV)
HEATER CATHODE LEAKAGEC
( Ehk=HooV dc)
C
GRID CURRENT (i)
(Rg=0.5MEG)
PLATE CURRENT (.1)
27
INSULATION OF ELECTRODES
(Ef=.i2.6V, E(g-all)=
3OO VdcJE(g-neg. J E (p- all) =
SOO VdcJ P neg.)
100
R ( g-al;l)
R (p-all)
100
PLATE CURRENT (2)
( E tF .300 V dcJ Ec=-"20Vdc)
PLATE CURRENT (J)
(EtJ=300 VdcJ EC=-'25 Vdc)
TRANSCONDUCTANCE (2)0
GRID CURRENT (2)£
(Ef = B.GV )
PLATE EMISSIONF
(EtFi95VacJ Rk/lb=
iO.5 mVdcJ Ec = 0
16
AMPLIFICATION FACTOR
TRANSCONDUCTANCE ( i)
tl" AVERAGE TRANSCOND UCTANCE (i)
SPECIAL
EQUIPMENT
Ee ,,-2vde
AVG.
MAX.
DESIGN
500 HOUR LIFE TEST
IIDIVIDUAl
MAl.
MII.
0.80
0.94
±30
-1.5
45
33
39
0.96
AMP.
tl)1
UA dc
-2.0
uAdc
mAdc
50
50
MEGOHM
MEGOHM
mAdc
6.0
1.0
15
15
mAdc
PERCENT
-5.0
uAdc
25
uA dc
21
10000 12000
6000
14000
15
REQUIREMENTS
MU.
VARIABLE FREQUENCY VIBRATIONG
tRp=2JOOO)
H
VIBRATIONAL FATIGUf
SHOCKJ
(HAMMER ANGLE =24° J SHORT INDICATOR EMPLOYED)
POST SHOCK AND VIBRATIONAL FATIGUE TEST END POINTS
LOW FREQUENCY VIBRATION
HEATER-CATHODE LEAKAGE
6 660
TRANSCONDUCTANCE (i)
GRID CURRENT (i)
-3.0
GLASS STRAIN K
CONTINUITY AND SHORTL
M P
AF NOISE N Q
(Ef=i2.6VdcJ EbtF300VdcJ Ec=OJ E cal=70mVac)
LOW FREQUENCY VIBRATIONR�
(Rp=2000)
LOW PRESSURE VOLTAGE eREAKDOWNS
TEMP.=25tsoC)
(PRESSURE :: 55:tS mm mercury,
HUMIDITY=O, VOLTAG£:;:: SOOvac) 60 CYCLES, SINUSOIDAL
WAVE FORM)
500
uMHOS
PERCENT
MAl.
100
mVac
mVac
uA dc
uMHOS
uAdc
17
VU
100
mV
ac
Vac
i HOUR STABILITY LIFE TEST
(INTERMITTENT LIFE TEST CONDITIONS)
STABILITY LIFE TEST END POINTS
TRANSCONDUCTANCE (i)
ioo HOUR SURVIVAL RATE LIFE TEST
(INTERMITTENT liFE T E S T CONDITIONS OR EQUIVALENT)
SURVIVAL RATE LIFE TEST END POINTS
'" "TE CURRENT (i)
10
PERCENT
45
mA dc
'u •• ·.aL
5687WA
PREMIUM TUBE
SPECIAL
REQUIREMENTS
-COU'D.
MAX.
M...
HEATER CYCLING LIFE TEST
(Ef=7.SV, Ehk=i3SVdc, HEAT E R POSITIVE,
E b=E c=O)
T
HEATER CYCLING LIFE T E ST E ND POINTS
HEATER-CATHODE LE AKAGE
t30
INTERMITTENT LIFE TEST P
(Ehk=i3SVdcJ HEATER POSITIVE , R
g=LO MEG.,
Ec= OJ
MIN. BULB TE MP. =+22So C, Rk=68 OHMS)
UAdc
NOTES
AUXIMUM TOTAL DISSIPATlOM FOR
B
R
g
C
TIE
MAX.
lp
1.0 MEG WITH
TO
2p,
19
TO
BOTH SECTIOIS
CATHODE BIA�
2
",
lk
TO 2k'
0.1 IIEGOHM
SHALL
I SI!
THIS TEST
AFTER PREHEATUG.
FTI£ GRIDS
VIDUAL Rk
TUBES
SHALL
E�h.Oy,
WITH
7.5
-WATTS.
FIXED BIAS.
( PAR ASIT I C SUPPRESSORS OF 50 OHMS M AX ' MU M PERMITTED.'
DTHE VALUE OF TRAISCOMDUCTAHE 121
EpRIOR TO
SHALL BE
APP Lr
BE PREHEATED
Eel"-2Vdc,
TO
UDIYIDLlAL
'-I SM AT
ISM AT 12.6,
AT 12.6
11.'"
AT FOLLOWIIG
RIt=0 OHM,
TUBES
AID
X 100
COIDITIOIS
Eb"l20Yde,
Rg=1.0 MEG.
IS
A.D
EXPRESSED:
TESTED
IMMED'ATELr
TO MEGATlYE £10 OF IIDIYIOUAl Rk
THRU
IIDlvlOUAL 100 OHM RESISTORS. AO�UST UDIFOR S�E.IFIED FORWARD PLATE.CURREI' %51 AS MEASURED 01 THE FORW AR D HALF crCLE Of
PLATE VOL T A GE. AFHR A MIIIMUM OF 5 MINUTES OPERATlOI AS ABOVE,
PLATE CURREIT 01 THE REVERSE HALF creLE OF PLATE VDL TAGE.
IMMEDIATElr
MEASURE REVERSE
Tube Under Test
5687WA
100
8.2
--_/
Meg.
.. 2 .....
16XC
/10 ... , Ef Applied
To 411 Tubes
,U •• • •• L
5687WA
PREMIUM TUBE
NOTES
... 9.20.)
GSEE IIIL-E-lc
H
-coU'O.
".9.20.6
SEE III L-E- lC
...9. 20. �
JSEE IIIL-E- lC
STRAII TEST SHALL COISIST OF COIIPLETELY SUBIIERGING THE T U BE INTO BOI L I N G
Cl FOR A I'£RIOD Of 15 SECOIDS. THEI IIIIIEOIATEL Y P LU N G I N G IHO COLD WATER (0 ±J Cl. THE
AIIOUNT OF WATER SHALL BE AT LEAST 2 LITERS PER 15 TUBES. TUBES FOR THIS TEST SIALL HA VE BEEN
EXHAUSTED A III.IIIUII Of .. 8 HOURS PRIOR TO PERfORMANCE OF THI S TEST. TUBES SHALL BE RE�ECTED fOR
E V IOE ICE OF AIR LEAK.
IS
8AT!R (970_
K'LA
100
LSEE
IIIL-E-1C
..
IlASEE IIIL-E-1C
.. .
. 7.5
10.).2
NT"E C A T HO D E RESISTOR SHALL
CYCL E S.
P
BE S H U N T E D
WITH A
CAPACITIVE
REACTANCE
lOT EXCEEDIN'
)
OHMS.
60
FOR 17vU IIETER DEfLECTION INITIAllY. PARAGRAPH �.10.).2 OF IIll-E-IC IS
R .... 2000 O"IIS.
A'IIIIENOEO AS FOLL WS: T " E FifTH SEITERCE SHALL R E AD : THE GAll Of THE POWER
AIIPLIFIER
I HE
FIGURE )01 SHA LL BE AO�USTEO BY R E II OVI N G THE TUBE fROII THE SOCKET AND INTRODUCING THE SPEC­
IFIEO CAllBRATIIG VOLTAGE (SINE WAVEI THRU A CAPACITOR AMD NOT IIORE THAI 100 OHIIS AT THE C AL18RATIIG FREQUENCY. THE POWER AMPLifiER GAI N SHAL L BE ADJUSTED fOR P,OWER OUTPUT LEVEL OF 17vu,
( 5OIIWI.
Eead,"70-V
QTlE
P LATE S TOGETHER. TIE GRIDS TOGETHER AND TO GROUND THRU A 1.0
TO GETHE R AND TO GROUND THRU A 680 OHM RESI S T O R •
MEG.
RESISTOR.
TIE
CATHODES
... 9.20.�
SBRfAKOWON SHAll
AO�ACEIT PI IS.
BE DEFilED
AS
THAT VOLTAGE
AT WHICH ARCING O CCUR S BETWEEI ANODE
BASE
PI"
AND
TAT TME CONClUSIC'. OF THE HEATER CY C L IN G lIFE TEST, A TEST SHALL BE MADE TO DETERMINE CATHODE
COITI.UITY. A TUBE WHICH fAILS THE CATHODE COITINUITY TEST SHALL BE COISICEREO A DEFECTivE
TUBE fOR THE HEATER C Y C L I N G LIFE TEST.
5687WA
PREMIUM TUBE
5687WA
FOR EACH UNIT
ts
Ef .. 6.3 Vol
PLATE VOLTS
1
,
I
,
,
!
I
I
,
I
!
5687WA
FOR EACH UNIT
i
Ef
1
,
=
Cl)
6.3 Volts
'""i
IJ
/
.r
I
(;5'
,('\.J
L
In
Li
��
!
J
/
f
'{
20
._--
��
/
/
1
I
I
11
J
I
if
11
/
� .",
�
10
� .....
GRID VOLTS
I
1
I
30
1/
J
I
V
1/1
15
/
1/
I:
I
�O
!
'I
I
1
f-
' J
/1
1
I
�f/
0
r-
I
i
en
UJ
Cl!:
UJ
�
-
r-
20
c
..J
..J
z
UJ
l-
:5
0..
10
I
lI'
5
I
0
0
I I
I I
,
!
r-----
!
,
;
-
r-r-
'
1
I
FOR EACH UNIT
I
ri
1.00 �'
----
,
(I)
UJ
!
I
i
I
. Ef "" 6.3 Volts I
H
11
b
I
a:
UJ
� 0.75
c
-(,J
I\.
�
\.
� O.SO
,
"
"'
i
!
;'
l/
,.
I/[
/ 1/
j VI
i
1
le
!
,
_
i
1
!
r- -
�
H
5687WA
-1
:
�'
---j
-!
---i
I
1
.
:
!
,
-+�-,- -=-:. -�-1'-: �+-+-��
-+ �- �+f--1 ,--
./
� ""
,
!
i
i
_
1
!
,
i
_
I
' !'
,--L
.-:> 'J\)
i'
�I
i
i
i
it+-
I
+
,
.
·
I
-;
!
.
!
I
......
1
:T
I
i
I�
�
1
�
�,.,
!
i
SG�: ;
I
! y , i--L b,\)
I
i
,/,'
� ;
; 1
,......,. I !
./......
,.,.�
_
_
,
1
I
I
I
1
!
5687WA
PREMIUM TUBE
f · -T�- , i
I
'"' i' I I
i
I
i
I
I
i
I
,
A"'i
j
!
-r--
i
I
!
,
1
!
i
�!
:
1
I
i
i
1
!
Ill::
0
i
I
I
i
1
:
I
,,
I
i
I
!
"/ I
i--""
!�
,
1
10
.J / .... ',;'
J...-"n
,
1
,.,...
�
:
"I'
/j
''" ./
�
.J,..oJ...-"
oo
- -..
.&:
50 1
� rc� - - Ee
-I
/1 / .....
- -I'"T - >'
�
....
II�
-, UJO•25
r- , ..� �I--::: rJ l>-�
-�
-1�
r- �
-t, V
J....
I
-�
30
n�
ioJ LJ"
!- -1
�
r f- 20
H-� 1 -� �
4. 1.--""""
0r- �1 - . .�
Ho � -� -� 1- - i- r- - �l"-��-�' � -J�
I0"
300
250
ISO
50
100
200
0
r-
--1
-
;
I
I
T,\)- '
I
+.i
I
=>
r-I
PLATE VOLTS
I
I I I I
-r-
I I I I
-r-
-I--
�-rr-t--
f-t--
�
%
I-- -
�
0
r- - -'
--
-
a:
0
I
-- UJ
--�
- r- r-
- __
-
r­
rp
gm
1
r-
f­
I-I-­
180
250 -+--r--r-t-t-t--t--t--;
r­
%r(I)
o
I--r-
!
I­
ur­
z
<.)
c
u..
Q
�
--
--
I--t---+-+-t--+-+--+--+-+-+-�
I
I I I
�
-- -
--
I I
15,,;:15 H�-;..+t--i--+--+-+-+-HH--+-+-i--+-+-+-+-+-H-+-+-i-� 1 5000
-- -
--
E f = 6.3 Vo 1t S
1--11--1-1- ----- fJ.
20t--+-+-+-i
20
1--1-­
5687WA
FOR EACH UNIT
1--+--+-+---1
I
i
I
I I
I I I
I
U
-
�
(I)
-
(I)
Lo.I
Ill::
Lo.I
�
:5
L
- I-- r-
r-I-r-r--
r-r-
o
10
20
30
PLATE MILLIAMPERES
�O
o
I--
TECHNICAL INFORMATION
The CK5687WA is a heater·cathode type medium·mu double triode of miniature construction de·
signed f or use in applications requiring high transconductance, high perveance or high emission
capabilities. The cathode material in this type assures that high values of interface resistance will
t
not develop when operated at cut· of f conditions. This type employs separate cathode connections
0
E
:
by long lif e and stable perf ormance and is designed f or service where severe conditions of mechan.
.0
Miniature Button 9- Pin
1
2
3
4
5
""
......
...,
�
TERMINA L CONNECTIONS :
Pin
Pin
Pin
Pin
Pin
:
'"
..L
T- 6}SGlass
Pin
Pin
Pin
Pin
Plate, Unit 112
Grid, Un it 112
Cathode, Unit 112
Heater
Heater
6
7
8
9
Cathode, Unit 111
Grid, Unit 111
Heater Center Tap
Plate, Unit 111
•
MECHANICAL RATINGS :
450 G
2.5 G
225 °c
Maximum Impact Acceleration (Shock Test - Note 3 )
Maximum Vibrational Acceleration (96 Hour Fatigue Test- Note 4 )
Maximum Bulb Temperature
MOUNT ING POSITION :
Any
ELECTRICAL DATA
BOTTOM VIEW
CAUTION·····To Electronic Equipment Design Engineers: Special attention should be given to
the temperature at which the tubes are to be operated.
Reliability will be seriously impaired if
maximum bulb temperature is exceeded. The lif e expectancy may be reduced if conditions other
than those specified f or lif e test are imposed on the tube and will be reduced appreciably if maximum
ratings are exceeded.
Both reliability and perf ormance will be jeopardized if f ilament voltage
ratings are exceeded.
Lif e and reliability of performance are closely related to the degree that
9H
regulation of the heater voltage is maintained at its center rated value.
RATINGS AND
NORMAL OPERATION
Printed in
U.S.A.
I
MIL·E - l
SYMBOL
Heater Voltage (Note 7)
Ef : Series
Parallel
DESIGN
MINIMUM
NORMAL
TEST
CONDITIONS
(Note 6)
NORMAL
OPERATION
(Note 5)
DESIGN
MAXIMUM
12.6
6.3
13.2
6.6
MIL·E·l
UNITS
12.0
6.0
12.6
120
120
330
Vdc
-200
- 2. 0
- 2.0
0
Vdc
V
V
Plate Voltage
Eb:
Grid Voltage
Ecl :
Plate Dissipation
(per Plate) (Note 9)
Pp/p:
Heater .Cathode Voltage
Ehk:
Plate Current (per Plate)
Ib/p:
Cathode Current (per cathode)
Ik/k:
65
mAdc
Grid Circuit Resistance
per Grid (Note 10)
Rg/g:
0.1
Meg.
Transconductance per Plate
Sm/p:
11,500
Amplification Factor
Mu/p:
18.5
RAYTHEON
3.75
+ 100
-100
W
v
mAdc
36
/1fTlhos
Tentative Data
MANUFACTURING
,(
0
E
•
'"
MECHANICAL DATA
BASE :
max
......
ical shock or vibration are encountered.
ENVELOPE :
r'
,(
and a heater center· tap permitting either series or parallel operation. This type is characterized
COMPANY
.,
TYPE CK5687WA
RELIABLE DOUBLE TRIODE
ELECTRICAL DATA (Cont'd.)
CHARACTERISTICS AND QUALITY CONTROL TESTS (Not. 1 )
(In t he following t .. .. . o ch unit I . t • •t ed . ."orat.ly.)
TEST
AQL
"
CONDITIONS
}
MIL·E.l
SYMBOL
�Ihk:
hk:
MIN
LAL
BOGIE
UAL
MAX
ALD
MIL·E·l
UNITS
MEASUREMENTS ACCEPTANCE TESTS_PART 1 (Combined AQL=l.O" .xcl udlng Mechanical and Inop ..atlve. )
Heater Current:
Ef=6.3V
Heater - Cathode
Leakage:
Ehk=+100Vdc
Ehk= -100 Vdc
0.65
Gri d Current (l):
Rp=0.1 Meg.
0.65
Ic (1):
0
0.65
Ib (l):
27
0.65
Plate Current (l):
Es=15 Vdc
Emission:
Transconductance (1):
If :
0.65
Is:
0.65
Sm (l):
Continuity and Shorts:
(Inoperatives)
MEASUREMENTS ACCEPTANCE TESTS- PART 2
Insulation of Electrodes:
)
Ef=12.6 V
Eg-all=-100VdC
Ep-all=-300 Vdc
2.5
Plate Current (2):
Eb=300 Vdc; Ec 1 -20Vdc
2.5
Plate Current (3):
Eb=300 Vdc; Ec 1 =-25 Vdc
2.5
=
910
940
50
-1.5
33
36
mA
/JAdc
iJAdc
/JAdc
45
7.0
mAdc
12500 14500
2500
IUT'hos
39
mAdc
125
8500 10500 11500
�
g- all:
Rp-all:
Meg_
Meg.
100
100
Ib (2):
6.0
mAdc
Ib (3):
1.0
mAdc
� Ef Sm(2):
Transconductance (2):
Ef=11.4V (Note 8)
2.5
Ef= 14.0V; Rg/g= 1.0 Meg.
After 5 minutes preheat
2.5
AF Noise:
Ebb=300 Vdc; Ecl=0;Rp=
2000 ohms; Ecal=70 mVac
Rg=1.0 Meg; Rk= 680 ohms
( units connected in parallel)
2.5
EB:
Eb=195 Vac; Rk/lb=10.5
mAdc; Ec1= 0; after 5 minutes,
measure reverse plate current
2.5
Ib:
2.5
Mu:
16
Cgp:
2.8
Cin:
"}
880
30
30
Grid Emission:
Plate Emission:
850
.... .... ....
Envelope Outline
No. (6- 7)
Mechanical:
820
le (2):
15
-5.0
0
%
/lAdc
17
VU
25
/lAdc
18.5
21
4.0
5.2
2.8
4.0
5.2
.... .... . ...
Cout(l):
0.42
0.6
0.78
Capacitance:
Cout(2):
0.34
0.5
0.66
Ca pacitance:
Chk:
9.7
�
ppJ
�
ppJ
�
Ep:
100
mVac
Ep:
150
mVac
Amplification Factor:
C'�O;""'
Capacitance:
Capocitance:
Low Pressure Voltage
Breakdown:
Vibration (2):
( Note 2 )
6.5
Pressure= 55 ± 5 mmHg;
Voltage=500 Vac
6.5
G=2.5;F=25 cps;Rp=
2000 ohms
6.5
DEGRADATION RATE ACCEPTANCE TESTS
Shock:
Hammer Angle=300C;
(Note 3)
Fatig ue:
96 Hours;Fixed Frequency;
F=25 min. 60 max.(Note 4)
Post S hock and Fatigue
Test End Points:
Vibration (2):
F= 25 cps;G= 2.5;
Rp= 2000 ohms
RAYTHEON
January 15, 1958
6.5
MANUFACTURING
NEWTON 58, MASS.
COMPANY
Page 2 of 8
TYPE CKS687WA
.,
RELIABLE DOUBLE TRIODE
ELECTRICAL DATA (Cont'd.)
CHARACTERISTICS AND QUALITY CONTROL TESTS (Note 1) ( cont' d )
I n t he following t.st • • ach unit I . t.st.d Hparat.ly
TEST
AQL
"
CONDITIONS
MIL·E·1
SYMBOL
MIN
MAX
MIL·E·1
UNITS
Allowab I. D.fect.
per Characterlst Ic
ht
Co ....ln.d
.
Sample.
Sample
DEGRADATION RATE ACCEPTANCE TESTS (cont'd.)
Heater - Cathode
Leakage:
50
50
Ihk:
Ihk:
Ehk=+100Vdc
Ehk=-100 Vdc
Transconductonce(1):
Srn (1):
Grid Current (1):
le (1 ):
pmhos
6500
0
/lAdc
/JAdc
-3.0
/JAdc
Minioture TLile Base
Strain:
Glass Strain:
(Thermal Shock)
2.5
ACCEPTANCE LIFE TESTS
Heater Cycling:
Ef=7.5V (heater in parallel);
Ehk=+135 Vdc; Eb= Ec=0 Vdc;
1 min. on, 4 min. off
Heater Cycling Life
Test End Point:
Heater - Cathode
Leakage:
Ehk=+100 Vdc
Ehk= -1OO Vdc
1 Hour Stability Life
Test:
+ 135 Vd
1 Hour Stcll ility Life
Test End Points:
( Typical Sample Size=
50 tube s)
cycles
2000
Ihk:
Ihk:
30
30
/JAdc
PAdc
L'lt Srn (1):
10
%
TA=RoomiEcl = 0; Ehk=
Rg/g= 1.0
meg.; Rk = 68 ohms
�
T ransconductance (1)
Change of individual
tubes from initial:
1.0
100 Hour Survival
Rate Life Test:
TA=Room; Ecl=O' Ehk=
+ 135 VdciR9/9= Lo meg.;
Rk/k=68 ohms
100 Hour Survival Rate
Life Test End Points:
( T pical Sample Size=
20 tubes)
d'
Shorts - Continuity
0.65
T ransconductance (1):
1.0
500 and 1000 Hour Intermittent High Ternperature I ife test:
T Bulb=225 aC; Ecl= 0; Ehk=
+135 Vdc;Rg/g= 1.0 meg.;
Rk/k= 68 ohms
500 Hour Intermittent
High Temperature Life
Test End Points:
(Typical Sample Sizes=
20 tubes 1 st sample, 40 tubes
2nd sample)
Sm(I):
p.mhos
7500
3
Inoperatives:
Grid Current (1):
Ic(1):
Heater Current:
If:
0
-2.0
800
960
mA
3
L'lt Srn(1):
20
%
3
T ransconductance (2)
(Note 8)
L'lEf Sm(2):
25
%
3
Ihk:
Ihk:
50
50
PAdc
(p-alll
Ehk=+100 Vdc
Ehk=-100 Vdc
Electrode Insulation:
(g -all
Rp_all:
Rg-all:
Total Defactives:
U.S.A.
3
Charge in Transconductance (1) of individua tubes:
Heater - Cathode
Leakage:
Printed in
/JAdc
RAYTHEON
January 15, 1958
MANUFACTURING
NEWTON
�E!.
MASS.
50
50
pAd0
Me�}
Meg.
COMPANY
Page 3 of 8
3
2
4
5
8
TYPE CK5687WA
RELIABLE DOUBLE TRIODE
ELECTRICAL DATA (Cont I d.)
CHARACTERISTICS A ND QUALITY CONTROL TESTS (Not. 1) (cont'd.)
In the foll_lng t •• t • •ach unit I. t.sted
AQL
"
CONDITIONS
TEST
••parateIy
MIL·E·l
SYMBOL
MIN
MAX
0
-2.5
800
960
MIL.E·l
UNITS
Allowabl. d.f.ct.
p .. Charact.rl.tlc.
Co ....ln.d
ht
Sampl ••
Sampl.
ACCEPTANCE LIFE TESTS ( Corl'lQ
1000 Hour Irlermitterl
High Temperature life
Test End Points:
(T ypical Sample Size=
20 tubes 1st sample,
40 tubes 2nd sample)
Ic(1):
Heater· Current:
If:
Change in Transcon.
duct once (1) of individual
tubes:
� Sm (1):
t
Transconductance (2) (Note 8)
Heater. Cathode
Leakage:
Ehk=+ 100 Vdc
Ehk=-100 Vdc
�
EfSm(2):
Ihk:
Ihk:
/lAdc
2
5
mA
2
5
25
%
2
5
30
%
2
5
50
50
;lAdc
2
5
Megg
4
8
5
10
Electrode Insulation:
Rp-all:
Rg -all:
(p-all)
( g-all)
25
25
Total Defectives:
NOTES:
5
2
Inoperatives:
Grid Current (1):
��
Meg.
Note 1 :
Characteristics, Quality Control Test Procedures, 0 nd Inspection Levels ore made according to t he appropriate paragraphs
of MIL.E·l If Inspection Instructions for Electron Tubes", and MIL·STD.l05A.
Nate 2:
Withaut Shield.
Note 3:
Test conditions and acceptance criteria per Shock Test Procedures of MIL·E·l basic specifications.
Note 4 :
Test conditions and occeptance criteria per Fatigue Test procedures o f MIL· E·l basic specifications .
Note 5 :
These normal values represent conditions at which control of reliability may be expected.
Note 6 :
Note 7:
Note 8 :
These normal test conditions ore used for 011 choracteristics unless otherwise stated under the individual test item.
For most applications the performance will not be adversely affected by± 10% heater voltage variation, but when
the application co n provide 0 closer control of heater voltage, on improvement in reliability will be realized.
Change of transconductance for individual tubes from that value measured at Ef= 12.6 volts to that value measured at Ef= 11.4 volts.
Note 9 :
T he plate dissipation of one section may b e os great os 4.2 watts provided that t he maximum dissipation for both sections does
not exceed 7.5 watts.
Note 10:
The maximum Rg/g may be 1.0 meg. providing cathode bios is used.
RAYTHEON
January 15, 1958
MANUFACTURING
NEWTON 58. MASS.
COMPANY
Page 4 of 8
TYPE CK5687WA
-
RELIABLE DOUBLE TRIODE
,.
. . ��
, , ________�'.'.�,,_!f •
- fl'll.E.il._.II.i!i_��!!'�
_____���
AVERAGE
PLATE OtARACTERISTICS
1
-----------------
..
..
..
V
•
�J I
�l V I
Do.
&
i
.
II
11 J�I1�I
i....
1;
11
�
I
Condition:
Ef= 6.3 Volts
&l
d
-
2S
-JI
.
V
I
IJ f V
V � J L
)
1,1 V 11 I J 1/1 Jl :,��)I
__
....
V
i
�
/1 V )v V'/ ' V �
V I � I V / V �v /I' �v ;- r'l.1/
'l.� V
V
V
�
:::
� ./ Vl./�v���t::-�V --I:::k:t::
J
o
J
�
�
.---
100
�
)' ¥:�f��r
3)0
300
-""'"
... 6
400
Plate Voltage-Volts
Printed in
U.S.A.
RAYTHEON
January 15, 1958
MANUFACTURING
NEWTON 58. MASS.
I
I
I
I
I
I
I
I
COMPANY
Page 5 of 8
TYPE CK5687W A
-
RELIABLE DOUBLE TRIODE
AVERAGE CHARACTERISTICS
-- -'--�
111111111111111111
-�-�-�-�---11 1 1 1 1 1 I 1 1 1 1 1 1 1 1 1 I
III -- -t+ - -+ -- -- +
" "
I t+
111111 I
-t+ -t+ -+ -- - + -1-1-11 If ==t=
-
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
1
l-- -
I I I
I I I
I I
I I
I I I I I I I I I I I I I I I
I I I I I I I I I I I I I I I
I I I I I I I I I I I I I I I
I
I
I
1
I
Condition:
Ef= 6.3 Volt.
I I I I I I I I I
I I I I I I I I I
I I I I I I I I I
I I I I I I I I I
I I I I I I I I I
I
I
I
I
I
I
I
I
I
1
I I I I
I I I I I I
111111
I
j
I
I
I I
I I
11 11 I
I I I I I
11 11 I
I I I
I
I
I I I
I I I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I I
I
I I
I I
I I I
I
I
I
I
I I
I I
I I
I I
I I I
I I I
-
I I I
I
I
I
I I I
I I I
I I I
I I I
I
I
,+ + -
1
I
I
I
I
I
I
-
I
I
1
I
I
I
I
I
I
I
I
I
I
c: - - ±±: - ±
I
I
I
'"
I
I
I I I
I I I
I I I
I I I
I I
I I
I
I
I
I
I
I I
I I
I I
1
I
I
I
I
I
I
I I
I
I
I
I I
I
I
I
I
I
I
I
-------
I
I
L
I
I
I
I
I
I
I
I
1
I
I I
I I
I
I I
I I
I
I
I ..
I I. �I
I '�J
III
I I
I I
I
1
I I
I11
I
"""
I
I
I
I
=t=
I
I
I
I
11
J, I
I11 I
III
I.
I11
'11
I
J I
I
I
/ I
1
I I I
/1
I
I
I I
I
I
I
I
I-
f
1I
'I
1I
I
I
I
I
- + -ItI
i1I�
I
I�I
I III
I I11
I 'I I
I I. I
I11 I
11 I I
I I I
11 I I
I
11
'I
- -- 11
-
I- r
.�
all
.�'1 I
I I
11
11
,
J,
11 I
I. I
11 I
, I I
I I
10
15
11
I-f-
-+iI-
1I
,
'-
-
1-i-
-1-
-�
-1-I
II
I
I
I
I
::I
I
I
I I
I I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
..
c
..
;
U
20]
Cl
Q.
I
I
10
I
I
I
I
I
I
I I I
I I I
I
I
o
Grid Voltage-Volts
RAYTHEON
January 15, 1958
MANUFACTURING
NEWTON 58, MASS.
=
iE
.2
I
I
I
11
5
:-1
,
11
III
I I
I I
I I
I I
I I
I I
/1 I
I I
I
I
I IJ I
11 I
I
I I
I I I
I VI I
I
I
I
I
I
I
/I
I
I 1/1
"- I I I I 11 II II 1
I
I
I Y I
J
I I I I I I
I I I I
It I I I
I
I
IfI I
I I I I 1/
I
I I I I ,I I I I
I .A I I
I I I 1./1' I
I I I / I I II
I
I.A' I I I
I
I""'" I I I I
11 lA 11
I I 1/ I I I I I
lYl I I I
I I I I
I I
I
'I
IYI
I I L .J.,...�II I l L",oo�II
I
I I
I I
20
I
I
I
I 1I
-
I
I
I
I
I
1
I
I,
I 11
,I
I
I
-jr 1
I
I
I
I
II1
I
-- +�rI;{JJ
J
I
-
-
50
1
---
I
I
I
I I
I
- -
I
I
I I
I I
I
--
r�
.+ + -
I
I
1
-----------
-�r
-�r -r� -r� -
COMPANY
Page 6 of 8
U.S.A.
'rlnted in
III
U
j:
III
�
W
I­
U
�
Di:
�
:E:
U
w
I­
�
.J
Q.
W
�
Di:
�
�
I
11 I
1\
'[' [\I [[
,
====
,--1�: I
�,
'
1
�
\j
!
,
'
!
� r+-r+4� +--t-+ +-�
\
1-+�+-+-1-�-r+-I-+���,
I1
;
i
!
:
i
'
i
__
\--:;:---:
MASS_
_
_
--1-1\ -
1\
'I ���
,
-1-1-->1
-I-I--=�
'-I-
=t= =t= =t=
,
I
�
11
11
I.
If
.,.:r
11
11
�
1
1
:-i-��\-+-+-+4-r: �Hr+-+-r+-I,;r+,
i
I
i
'
!
i\ i
i
:-
I
I
iI
1\
11'1
N
•
•
1
I
1
COMPANY
I
I
1
-1OiiI.
Page 7 of 8
Cl
Cl
IQ
TYPE CKS687WA
1-\\+4�+-+4-I-I-+-I-H--
\
1 \
; +-I--+-\',f-+-t-I,-t--I-I-I-
,
,
:
[! I\! [ I
11
It1\; :l1' :.1 l -+-+-�! t--i,�-+=-+-i+-+-+-i-+-+-=_ +--ii-+_:-+-�-lr-l�
�
,
--+-�, I 1 IL$
'1'*
±i
+, -11- -,-
R= ! '
I I
���+4 �� ������+4 �� 4-�44-��
I
�
RELIABLE DOUBLE TRIODE
I
I
I I
I
I I
I I I I
�I�+4
I �� I
�+4I�I�+ I �I�+4 I I
11111111 11 11 I
: III ' II I I
' "
I I I I i I I I I I I I I
,
,
�I +,�,�, +�
' �
I �
' +
' �
' �
' I +�
, -r
,
+�
,
-r
,
+�
, ,�, �-rr;-, . !
1-+
, , +-+
, --+, , +,--+,--+-, +--+
I --+' ' +--+,-++,-+-+-, +,--+,-++--I-++I ---:-+I I
1 , -+--+"
'
"
1
I
I"
i ' iII
,
I--
I I I , 1_ .
� +-I
i-r!_:
�_-=:: ,,' ;
L1 I
l�l�i�i �i �i i��i i �i �iiH-+i�'� +�++-I�' ��i�+-ii�+-+
,
I I I I I I I I I I I I I ++ I I I
" ' " " "
�
+--I-'
t1j:t�:t!j:t�:t!�:t1jtt�:t1j�\��:t!�-
" "
' +--+
1 -+-t-...L -H
\'!
1
1-+-+-+-+--1-+--1-++-I-+-1-+-+I\IH-+-+--I-+-1-+-+'
>�I-+-.l--I---Jf-+-l
�-�
' �
l ',, --+;-+' +4! r+4-����r+
.
�!I-T�
'
-++--t-+-+\�+
[I-+-+:
r+�+-+--I-+--t-r+-I-+-+-r+�+-+
}�-��j-:
t1j:t�:t!j:t�:�I\��:t1j�!'�:t1j:�+-�i'���
I _�1
1\
���+-+-+-+�l�I������'+�--+-+--H" �!�;���
I"*I\-+-,�+--t
t"- l-;l -+-t--+
-to -+-I
1\
�
'!
I
I \
1\
I
•
I-+--+-+-+-+-+-i-+-+-I-+-+-+-+-Hrt--+-+-+--t
-+- c'I, \
: , ! 1
;
,
\
1
11
�--+
! �
I ;r+�+-+--I-+--t-r+-r--iE
\.-+-t-t-;-+--\-t-t
'
-;-+-+-r' -I-'\H'-ii- l--+-rH-'-+-',' 'li' -+'-+-+--t � 'H7�-+-r+-;-+-+�+--t-+�I-+-+-�-;-+-.�rrl�""'+-+�+--I-r�
I : +-1i-+-+'It--+1\H-+-t-"'1
1L +-t-\
I-+-+-+-+-+-+-+-+-+-+ �
�- 1-+-+-+-+- C?.'-I-+-I-+--I--+-*-+-+'1-+-t�+-+-I-+-4H
_T
1 11
1\
I'
I ·,
�;
;'"\
1-+-+-+-+--1-+--1-++-I-+
!
i
i-+�
' �
: �
\ -�_��
i �
i i Ti�'�I-r�-r+V�+4���I��
•
: \ : ! ! 1 i
'
l
1-+--1-++-I-+-I-+--I--1-+-+-t-�-+-+-t-+4-+--I--t-+-+I
I
:
i
I
,
1\
\
I
I
.
+t
'
,
I'
1\
I1
r+�+-+-1-+--1-+-+-I-+-+-r+--Ptct--t-+---t-�
--i I \++
\.
I ' 11
\ 11
.
i : -,-;-,: 1-i ---+1-t\:�-f-!- I-II-+---r-t-'v-1If-1-I-+-f-Al!+-IH
i i i't I I I I \ I : H--:--:-\'-'-
1I11[11I1I[
111111'1111
I\.
5!::l.
d
I
i! 'I ' I i I [ I �
I [ I I \.1 I [ I ' " f
[I ,I [ �, I [ [. [ 1 I
11 11 1111 11 [
I I��
I
'�-+-+
IJ
I �-+-�·+4-H
I\
\ I_I-+I -+-t-+,�
: .�
Ll�_
1i l�
I �_tI\..L
1-+�+-+-1-+--t-r+-1-+4-t-+-r+-+���
,
, -+-+-�
1 \.
I
\ !'
'
I.
1'\
1 1:, . . .�
1-+�+-+-+-+--1-+-+-I-+-+-+-+�+-+-+-�,rl-+-+l -l'�*, -1-1 -r+-+�+-iL--!-+-H.I+-+-+--ilIIH-+---!
, \o----,:-r
NEWTON
MANUFACTURING
I 1 1 1 I I 1 , 1 1 I 1 1 1 1 , 1 , I
RAYTHEON
January 15, 1958
l­
Q
"
g
-<
V>
�
ex>
iD
»
-<
-i
I
r1l
o
Z
�
Z
PI
�[]
Z
CD
1I1
l:
»
tn
tn
»
z
c
."
»
rJ
-i
C
;0
Z
Gl
n
o
�
.g
-0
<t
!a.
ex>
ex>
1)
25
25
20
I I I I I I I I I I I I I
I Il-I-I-Ill-Illl-I-Ill�l��-I�-I
-+-+++-+-+-+-+-H-I--+++--l I I I I I I I I I I I I I I I I I I I I I I I I I
I I 1 1 1
Conditions:
Ef= 6.3 V
11=
--
20
250 0
-t
-<
"tI
m
n
�
VI
0..
co
�
2000
>-
0
1
8
V
0
Bl2S V
I[t
.
��
B
=
R
.,15 15 Ifrlf�EE ' Cl:: =fWtt1t1ttJ 111111111111111 150 0
E
�
..2
J:.
...
�o.
c
o
�
"in
�
1i
Cl
11..
10
5
!o
11.
c
o
:a...
_
�
-<
""
II1111111111
I I I I I I I I
�
�
Cl
-1-1-1-1-
I I I
H-+-+++++-j-- I I I
I I I I I I I
10000
�
m
r-
;:
tXI
r
m
8
5
5000
c
D:I
r­
m
-I
;g
o
o
m
1-+-+-1-1-+-1-1-1-1-1-1 I I I I H-++ I I I +-
z
I
o
tr
10
»
-<
I]:J=I�:::I�:I�::U I I I I
AVERAGE PLATE CHARACTERISTICS
o
I
I
I
i
I
I� I
I
10
�
I
I
I
I
I
I
I
I
I
20
I
I
I
I
-�-
I
+-++-1 I 1 I I
I·
40
'�I-I�-
Em 1IIIIll Lt4 IIIII m-Ij:.
30
Plate Current- Milliamperes
50
0
5687
MARQUE DE S�CURIT� D�POS�E
DOUBLE TRIODE
5687
MINIATURE DE SEcURITE
A COEFFICIENT
D'AMPLIFICATION MO YEN.
la double t riode 5687 convient pour divers montages amplifi­
cateurs, et plus particulierement dans les applications nEkessitant
deux elements triode
electriquement independants. Sa faible
resistance interne permet son utilisation comme tube regulateur
dans Jes alimentations stabilisees de puissance.
Ce tube est specialement destine Cl I'equipement de materiels
militaires et professionnels. Sa structure interne renforcee lui
confere une grande robustesse mecanique et une securite de
fonctionnement elevee.
Ce tube a eM deve /oppe sur marche du S ervice
Technique des Telecommunications de I' AIR.
A.22 - 2 UTE
Cathodes a oxydes, chauffage indirect.
o 11,1
Tension filament (V) 12,6 ou 6,3 ± 10%
Courant filament (A)
0,45 ou 0,9
Ca pacites entre
elec tro d es
(:J.:J. F)
Grille I a anode max.
par element
Sans
blindage
externe
4,0
Sortie, element I
Sortie, element 2
Filament a cathode
0,6
0,5
Grille a grille (env.)
0,025
Anode a anode (env.)
0,75
'::
N
+1
� 22,2
N
4,0
Entree par element
x
'"
E
�
::t
':
max
0'"
8,0
� 1,02 � 0,05
x
'"
E
::t
.-<
Tube anterieurement fabrique par la Societe Franfaise
Radio-E/ectrique fusion nee avec C. S. F.
GENERALE
======== 0
•
E P A R TE MEN T
55, RUE GREFFULHE
l A M PES
•
r--
Embase miniature
9 broches': 9 C 12
Poids net: 12 g.
DE
T.S.F
====
LEVALLOIS-PERRET
•
SEINE
•
PER. 34-00
11.671· 1/5
CONDITIONS LIMITES D'UTILISATION
VALEURS ABSOLUES (par element)
Tension d'anode (V)
Dissipation d'anode par element (W) .
Dissipation totale d'anode pour les deux elements (W)
Courant de cathode {mAl .
Courant de grille {mAl
Resistance de grille (M U) .
Tension entre cathode et filament (V)
Temperature de I'ampoule (0C) .
300
4,2
7,5
65
6,0
1,0
±IOO
220
EXEMPLES DE FONCTIONNEMENT
AMPLlFICATRICE CLASSE A I (par elemenf)
Tension d'anode (V)
Tension de grille (V) .
Crefficient d'amplification .
Resistance interne (env.) (O)
Pente (mAIV)
Courant d'anode (mA).
Tension approximative de grille
pour un courant d'anode de 100 :J-A (V)
120
-2
18,5
1700
11
36
180
-7
17,5
2100
8,25
21
250
-12,5
16,5
3000
5,5
12,5
- 10
-14
- 20
VALEURS LIMITES DES CARACTBRISTIQUES POUR
PROJETS D�BQUIPEMENT
Minimum
Courant filament {mAl .
Vf = 6,3 V.
- apres 500 h. de duree* .
Courant d'anode par element (mA).
Vf = 6,3 Vi Va
120 Vi Vg
- 2 Vi Rk
O.
Courant d'anode par element (mA).
Vf = 6,3 Vi Va = 300 Vi Vg = - 25 Vi Rk = O.
Pente par element (mA/V) .
Vf = 6,3 Vi Va = 120 Vi Vg = - 2 Vi Rk = O.
- apres 500 h. de duree* .
=
COMPAGNIE
=
Maximum
840
960
830
27
970
45
8
14
=
GENERA LE
6
DE
T.S.F.
==
===== DEPARTEMENT lAMPES ==
DIRECTION COMMERCIALE • 55, RUE GREFFULHE • LEVALLOIS-PERRET • SEINE • PER. 34-00
Ccefficient d'amplification par element·
2 V; Rk =0.
Vf= 6,3 V; Va = 120V; Vg
Courant inverse de grille I Cl. A)
Vf= 6,5 V; Va
120V; Vg = -2 V; Rg
100 kL!;
Rk O.
- apres 500 h. de duree* .
Capacites interelectrodes (:l:l F)
Capacite entre grille et anode·
Capacite d'entree
Capacite de sortie (element I )
Capacite de sortie (element 2)
Capacite entre element et cathode
Courant filament-cathode (:l. A) .
Vf
6,3 Vi Vfk
± 100 V.
- apres 500 h. de duree* .
Resistance d'isolement interelectrodes (M �l)
- 100 V entre la grille et les autres electrodes
- apres 500 h. de duree* .
- 300 V entre I'anode et les autres electrodes
- apres 500 h. de duree* .
Tension vibratoire (mV) .
Vf=6,3 V; Va= 120V; Vg
-2V; Rk=O; Ra=2 ku.
Acceleration de 109 a 50 Hz.
=
Minimum
Maximum
15
21
-
=
3
=
=
=
4
2,8
2,8
0,42
0,34
6,3
5,2
5,2
0,78
0,66
11,7
10
=
20
100
50
100
50
250
=
Les conditions de duree sont : Vf
6,3 Vi Va = 120 Vi Rk = 68 Ui Rg
0,1 M Ui
Vfk = 100 Vi le filament etant positif pur rapport cl la cathode, foncfic-nnement intermittent.
*
=
=
ESSAIS SPBCIA UX DE CONTROLE
FATIGUE FILAMENT
2.000 cycles: allumage une minute, extinction une minute.
Vf
7,5 V; Va =Vg
0; Vfk= 100V.
=
=
RESISTANCE AUX CHOCs
Cinq chocs de 450 g. appliques successivement dans quatre sens suivant trois axes
perpendiculaires.
FATIGUE VIBRATIONS
Vibration sinuso'idale appliquee successivement suivant trois directions perpendicu­
laires (3 fois 24 heures).
Acceleration 2,5 g.
Frequence 25 Hz.
COMPAGNIE
GENERA LE
DE
T.S.F.
======= D�PARTEMENT lAMPES ======
DIRECTION COMMERCIALE
•
55, RUE GREFFULHE
•
LEV ALLOIS-PERRET
•
SEINE
•
PER. 34-00
CARACTERISTIQUES MOYEN-NES Ia-Ig /Va PAR ELEMENT
I
I9
1,�
a
Vf nomi n al
la
Igl
1,2
1,0
<1:
<1:
w
0
� 0,8
0
z
<1:
w
�
/::)
w
0
�
z
�
:J
:J
<1:
'"
0
u
�
'"
0,6
0
u
O,�
0,2
o
300
200
100
---- TENSION D'ANODE
�OO
V
I
a
(V)------------1.�
CARACTERISTIQUES
MOYENNES Ia/Va PAR ELEMENT
la
70
Vf
60
nomi nal
50
<"
E.
w
0
O
0 �
Z
<1:
/::)
�
z 30
<1:
'"
:J
0
u
20
o
100
200
300
------ TENSION D'ANODE IV)
COMPAGNIE
DIRECTION COMMERCIALE
•
GENERA
LE
lAMPES
DtPARTEMENT
55, RUE GREFFULHE
•
�OO
DE
I
f---...:::.
--I-
----------
Va
T. S. F
======
LEVALLOIS-PERRET • SEINE • . PER. 34-00
CARACTERlSTlQUES MOYENNES la/Vg PAR ELEMENT
la
50
I--
Vf n ominal
I
40
�I
/
� /
/
I
-;,/
0
"' ,
j
I1
1
/
/
V
V
v
- 28
- 24
- 20
./
./
- 16
_
K
�
28
14
24
12
10
z 20
0
�
2«
w
u
z
u:
::; 16 '"
8
W
Q..
>�
�
«
w
0
U
>Z
z
w 12 «
6
>U
tt
w
0
u
Vf
S
- ---
(>
- ----
- 4
o
_________
_
s
24
20
12 �
V)
4
4
2
0
0
:;­
<­
.5w
>­
z
16
v;
-w
'"
8
u
V
.-/
nominal
K
6
10
/
- 8
- 12
I
TENSION DE GRILLE (V)
CARACTERlSTlQUES MOYENNES
9
20
/
/
VV
I
�
o
z
«
o
>­
z
«
'"
/
I1
/
/
30
1
1
/
I1
<"
.5-
/
/
/
/
/
/
8
10
20
30
----- COURANT D'ANODE (mA)
COMPAGNIE
=======
DIRECTION COMMERCIALE
•
55, RUE GREFFULHE
•
o
DE
I
la
.
-+
----- -----
GENERA LE
D � PAR TEMEN T l AM PES
50
40
-
T.S.F.
=======
LEVALLOIS-PERRET
•
SEINE
•
PER. 34-00
♦
Verso Filler Page
♦
File Catalog: Electron Tube Products
Section: Receiving Tubes
6900
�lIo'� Type TE-54
(Generic Type 5687)
RELIABLE HARD GLASS
MEDIUM MU TWIN TRIODE
(For Pulse Application)
DESCR IPTION
This miniature medium-mu twin triode is one of Bendix
Red Bank
" re li able vacuum tubes specifically
designed for Pulse applications in missiles, aircraft and
other military and industrial installations. Freedom from
early failures, long average service life and uniform
operating characteristics are considered prime requisites
for such tubes. In addition to a 45-hour run-in under
�
various overload, vibration and shock conditions, likely
to be encountered in service, each tube is test ed for its
Pulse capabilities under maximum grid-drive and duty­
cycle conditions.
Since this tube is designed for use in equipment with
high ambient temperatures and where high levels of vi­
bration and shock are encountered, special materials
and manufacturing techniques are employed. The hard
glass bulb and Tungsten stem seal construction are fea­
tures found on many high-powered transmitting tubes.
Careful exhaust to a high degree of vacuum, with com­
plete out-gassing of all the elements by means of elec­
tron bombardment, as well as the usual induction heatin g, insures maximum life expectancy. These factors, as
well as a conservative design center for cathode tem­
perature , permit operation of th e 6900 at bulb tempera­
tures up to 300· Centigrade.
The use of ceramic spacers eliminates one of the most
common sources of tube foilure, which is the evolution
of gas from other less costly materials, such as mica.
Moreover, ceramic spacers contribute to a much sturdier
structure with the use of multi-pillar supports locked to­
gether by 12 welded eyelets. Special alloy snubbers,
which maintain the mount in position, retain their spring
properties at h i g h temperatures, resulting in a structure
resistant to shock accelerations as high as 500 G. The
rugged pure Tun g sten heater is supported in a h igh den­
sity aluminum oxide insulator which permits operation at
high Heater-Cathode voltages.
•
Registered Trademark.
R A T IN GS
CHART 1.
H eater Curre nt
.
.. . . . ... . . . . . . . . . . . . . . . . . . .. . . .
.
6.3 volts
...
1.00 amp.
Plate Voltage-(max.) ........................
600 volts
Max. Peak Cathode Current""" ......... .
4.5 amps.
Max. Plate Dissipation (per plate) ....... .
4.25 waits
Max. Peak Grid Voltage ..................... .
2.
M EC H A N IC A L
± 100 volts
Bulb
................................................ Nonex Glass-T6 %
Max. Overall Length
Max. Diameter ............................... .
Max. Altitude ................................. .
80,000 feet
300·C
Max. Impact Shock ........................ . .
500 G
. . . . . . ..
50 G
Max. Vibrational Acceleration
( 1 00
test, sample basis)
CHART 3.
AND AVERAGE CHARACTR
E ISTICS
Heater Voltage ..................................................6.3 volts
Heater
Current .............................................. 1.00 amp.
Plate Voltage
Grid Voltage
(Plate and heater voltage may be applied simultaneously)
"Grid Current
S.
5,000 hrs.
P U L SE TEST CONDITIONS
"Plate Current
See Chart
. .
h our shock excited fatigue
45 sec.
:!:S% .
'l's"
Max. Bulb Temperature ................... .
1.0 megohm
the tube is subject to all maximum ratings simultaneously.
2 5fs"
1'�6" Nom
any
Max. Grid Resistance ..........................
• ••
...........
Gold Plated Pins
Mounting Position ........................... .
Warm-up Time ................................... .
'Voltage should not fluctuate more than
. . . . . . . . . . . . .
Max. Seated Height ........................
100 ± 500 volts
•
9 Pin Miniature Nonex Gloss-
.........................................
Max. Heater-Cathode Voltage ........... .
'To obtain greatest life expectancy from tube, ovoid designs where
D ATA
Base
life Expectancy ................................
*
Heater Voltage-(AC or DC)"" ........ . .
CHART
. .
. . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 volts
Grid Pulse ...................................................... +50 volts
Pulse Time
Pulse
. . . . . . . .
.... . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . ... . - 100 volts
. . . . . . . . . .
. . . . . . . . . . . . .. . . . . . . . . . .. . . . . . . . . . . ...4.25 amps.
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repetition
Rate
. .
.
2 5 amp.
1 0 p. sec.
. .. . . .. . . . . . . . . . . . . . . . ... . . . . . . . 250 pp sec .
'Both sections paralleled (Chart 10)
TH�ncf#1oRPORAT,ON
-",.,.70'nK DIVISION,
Publication No. R83·14
EATONTOWN.
NEW
JERSEY
M.tecI
;.
U.S.A.
�nc(� Type
ELECTRICAL CHARACTERISTICS AN D TEST
CHART 4.
All
Tube. are Slabillzed for
2 G
Vibral i on al
30
45
Hours Under Tesl Condilion. and
100 %
Cp •. Prior 10
Heater voltage, Er ....... .
Plate voltage, Eb ........... .
.
Grid voltage, Ec
. . . .. .. . . . .
.
SYMBOL
. - .. - . - f--..
H.aler·Calhod. loakage
Pial. <Wrrenl
25
lb
Tramconduclance (1)
T,anlConduclanc. (2)
�.!!!. i nviIY
IAsulallon 01
-
Srn
E, = 5.1
BOOO. -
"Srn
below.
volts
TEST
-.
-
.-
-
_.
-
25
-
1.0
.
-
Vtk
Vtk
011 Plol. Currenl
E d = -25 Vtk
Eel = -55 Vtk
.
I
•
��f-l SOOO. -f- . �hos
-
-----
-
15
'}'.
-
-
100
-
-
Eb=300
Ib
Eb= SOD
Ib
-
Acceleraled �id CltrtnlJ EI
1.0
V)
.
Id
Primo,y Plole Emi"ion (Eb = 195 Vac)
Ib
�'.'!!'lifi(Olion
MU
Foclor
-
-
5
-
Ecl
=
lp=
-
-
16.0
_ ..
---
18.5
-
-
p.Atk
Under
------
"Pulse TOIl
.
5,000 Hours
2.5 G
60·500 Cyeles
96 Haun
Swepl FrOCluency
--'':'''
--t
"'
- - -""':"""""":"''''
G
-- '
20 Impacls
_ . _ ----
80,000 FM'
5 Minules
80iling Waler
15 Seconds in
10 Ice Waler
Each
-F=-====�
' - , .---100% TeSI-Mis(JolCapic Inspeclion
Mounl InSpIClion
of 30 POl\ibl. Trouble Poinls
AVE RAGE CHARACTERISTICS
-
SOD
mVac
2.8
-
5.2
5.0
-
8.0
ILILI
"f- -
0.62
-
0.98
0 . 45
-
0.11
4.0
ILILI
ILlLf
00
Ep
-
Cgl.p
Cin
Caul,
-
2.0
CH'
I.
ILILI
p.p.f
..
:i
Lq rt
I1
j
/ li
I
CHART 5.
P ULS E
RATING
If· •. J '0'01.."
J
1
/ I1 '
if
/ V'
,"I
I1 / / VI / VJ �
.. I / V / V /V/'l �...,
V/ :/:����V
. 1/ �
,
5
00.
2
e 4
I
tZ
III
Cl:
Cl: 3
::I
U
III
x
te
u
500 Houn
CHART 7.
Caul,
8
THI
Condilions"
500
. .
-'..::
==- :...
ILAdc
Cap icilance (wilhoul shield)
III
11:
III
CL
Cyeles
.-_.
Conditions"
Glall Sl,ain Tell
2000
Swepl F'OCIuency = 60·500-
.,
Under "Puise
Altilude TOIl
Vtk
Conslonl Accelerolion = 2.5 G
I
.. ---
.
2,000 On·OII
._-_
._---_
.
--- -- --
-2 Vd<
------
0114 Min.
7.5 Ehk = 300
Shock
21.0
.-
--
.
Faligue T"I
Ad,
- -IL
-'
25
--_ .
.
High level
-
�.O_ _p.Atk_
-
Vibtalion Noi.. Otrlpol
Ebb = 120
.
SOD
- -.
.-
El =
-- -------11--- ------ -j-----.. -- . -
meg
2000
.. -
-
DURATION
On I Min.
Ttlt
meg
CuI
CONDITIONS
-----_.-
-
life "Expeclancy"
..
- -- -
100
-
..
mAd,
..
E91-o11 = -100
Ep·ol l = -300
life T"I
t'�
DESIGN TESTS
Eleclrodes
---
--
p.Ad,
__
-
- � - 1-47
- - .
lil. T"I
A
-
-
H.aler Cy<iing
--
1.0SO
-
- --
U NI TS
MU.
1.000
--
olher lesls are performed on a sampling
volts
- -
-
3
basis 10 assure a high oulgoing qualily level. See
CENTEIt
'so
Id
G,id Clrr.nl
$bOtI and
.
. - If
Ihk
- .
Hoaler Currenl
in Charl
volts
DESIGN
MIN.
CHAUCTERISTIC
PRODUCTION TESTS
ADDITIONAL TESTS
In addilion 10 Ihe production and design lesls shown
Tesling
6.3
1 20
-2.0
DATA
CHART 6.
TEST CONDITIONS AND CHARACTERISTICS LIMITS
6900
TE-54
5687)
(Generic Type
zoo
,
i
I
\
,
�
,
,
\
1\
2
I
:00:
e
III
CL
�
i
o
.01
.001
-
r-t-
DUTY FACTOR
.
0:
o
"'
1.0
.1
li
C
DUTY FACTOR (10,000 N I C R OSEC O
AVERAGING
T IME I FOR
HE 6900 IS DEFINED AS THE
T
200
NO
RATIO OF 'ON' TIME IN MICROSECONDS
10,000 MICROSECONDS.
TO
ON TIME IS DEFINED AS T HE SUM OF THE
DURATION OF ALL INDIVIDUAL PULSES WHICH
OCCUR DURING ANY 10,000 MICIIOSECOND
INTEIIVAL.
CHART
300
�CAlE
VOLTS
400
600
8,
AVE RAGE CHA RACTERISTICS (PULSE)
�nc(t/ Type
(Generic Type
TE-54
5687)
6900
CHART 9.
EFFECT ON LIFE OF
RA TINGS
APPLI CA T IO N
INCREASED
(PULSE)
NOT ES
Special attention should be given to the temperatures
at which the tubes are to be operated. Reliability will be
SH
oho
Appllcotion
RATING
OR
NO'H
CONSERVATIVE
CHARACTERISTICS
6.3
Heoter Voltage
Plole Voltage
V
+ 2%
ID
6.3 V ±
SOO
Vd,
S.S
H·K Voltage
200 V
3S0 V
2OO0(
0·20,000'
Vibration
2G
•
1 0%
Vd,
14 mA
S.s
W
500 V
formance will be jeopardized if filament voltage ratings
are exceeded.
directly
life and reliability of performance are
related to
the
of the
This tube is constructed using nonex glass and thus can
withstand higher ambient temperatures in operation. How­
60,000'
80,000'
ever, the bulb temperature should never exceed 300·C
MEDIUM
necessitated by the additive effects of operation at high
ID G
G
HIGH
at its hottest point and cooling should be employed if
altitudes and high dissipation simultaneously or by other
sources of heat in the equipment .
The plate voltage rating and high-perveance of the
6900 make it readily adaptable to varied pulse appli­
PU L S E
TE S T
cations. In order to insure maximum reliability in pulse
C I R CUI T
service the peak cathode current should not exceed the
fiSCOPE
t
value shown in Chart 5 for the required duty factor.
Chart 9 is presented to emphasize the dangers of
IO}lHC
operating simultaneously at or near all maxima. In gen­
2�1
eral, the effect on life of operation at increased ratings is
additive and cumulative.
SCOPE
]
degree that regulation
heater voltage is maintained at its center rated value.
3000(
CHART 10.
y
be reduced appreciably if absolute
maximum ratings are exceeded. Both reliability and per­
100,000 ohms
See Chart 5.
150
other than those specified for life test are imposed on
the tube and will
2S00(
5
MAXIMUM
LIFE EXPECTANCY
±
600
7S,000 ohms
2S,000 ohms
Altitud.
6. 3 V
W
4.0 W
Reshtonu
S%
11 mA
mA
Plo', Dilllpotion"
lulb T emp.ro'ur.
ceeded. The life expectancy will be reduced if conditions
MAXIMUM
TYPICAL
400 Vd,
Plole (urrent ( Ay. ) "
Grid
seriously impaired if maximum bulb temperature is ex­
OPERATING CONDITIONS
U
21>.
re.4
..��
CARBON
.�
� RI
mA
'pI
Interpolation within this chart
will give the designer a general idea of the life expec­
tancy and reliability of his application. Each proposed
application should be life tested under maximum environ­
mental conditions in order to check that the design gives
RI. ADJUST FOR
MINIMUM RINGINC
AND OVE RSHODl
the desired reliability. When conservatively used this tube
has a life expectancy of 5,000 hours.
Chart
10 shows a typical Pulse Test circuit in which
every 6900 is tested before shipment.
Ec--IOOVdc
,.,.
fb. SOOVdc
[c,
dense emission coating to a high degree of activity to
maintain cathode currents under
I�K WW
Pulse conditions with
practically no "slump" during the life of the tube. The
Bendix 6900 can be used with the confident expectation
EO
of superior performance in every application now using
the
ALL DIMENSIONS
5687.
ARE IN
INCHES UNLESS OTHERWISE
SPECIFIED.
BASE DIAGRAM
Special exhaust
procedures and cathode activation bring the relatively
OUTLINE
DRAWING
NUMBERS
INDI CATE
PIN LO CA TIONS
�11c(� Type TE-54
6900
(Generic Type 5687)
RELIABLE MEDIUM MU TWIN TRIODE
STRUCTURAL FEATURES OF THE BENDIX 6900 PROVIDE
HIGH RELIABILITY AND A LONG SERVICE LIFE.
CERAMIC GETTER SHIELD
HIGH TEMPERATURE GLASS USED
FOR STEM AND BULB - FREEDOM
FROM
GAS
RELEASE
AND
GETTER RESERVE FOR LONG LIFE.
ELEC­
TROLYSIS AT HIGH TEMPERATURES.
HEAVY RADIATORS CONNECT
GRIDS TO THROUGH SUPPORTS­
MULTIPLE WELDS.
HIGH TEMPERATURE METAL SNUBBERS
USED TO SUPPORT MOUNT IN BULB.
EXTRA
HEAVY
GRID
SIDE
RODS
PROVIDE STURDY SUPPORT FOR
MAINTENANCE
GRID SPACING.
STEM LEADS EXTEND THRU MOUNT
STRUCTURE TO PROVIDE STRENGTH.
OF
CATHODE-to­
GOLD PLATED GRID
LATERALS
MINIMIZE GRID EMISSION EFFECTS.
HEAVY
PLATES
( ANODES ) WITH
FORMED-IN STRENGTHENING RIBS.
HIGH-DENSITY EMISSION COATING
ON CATHODE GIVES LONG LIFE IN
PULSE APPLICATION SERVICE.
PRESSED AND PUNCHED CERAMIC
SPACERS PROVIDE STABLE ELEMENT
SEPARATORS
AND
REDUCE
GAS
RELEASE AT HIGH TEMPERATURES.
EYELETS LOCK
TOGETHER.
THE
SOLID EXTRUDED CERAMIC HEATER
INSULATOR AND COILED HEATER
PROVIDE RELIABLE LONG LIFE.
STRUCTURE
HEAVY HEATER BUS-PROVIDES FIRM
ANCHORING.
BUTTON STEM PROVIDES STRENGTH
IN ALL PLANES.
NICKEL SLEEVES ON TUNGSTEN
HEATER LEGS PROVIDE STRONG
SWAGED WELD.
NICKEL PINS GOLD PLATED FOR LOW
CONTACT RESISTANCE AND FREEDOM
FROM CORROSION.
��CORPORATION
TH
�H7.nN' DIVISION,
EATONTOWN,
NEW
JERSEY
West Coos. Soles & Service: 117 E. Providencia Ave., Burbontl:. Colif.
Export Soles & Service: Bendix Internotionol Division,
205 E. "2nd St., New York 17, N.Y.
Conadion Distributor: Computing Devices of Canado, Ltd., P.O. Box 508,
Ottawa ... Ontario
IU •• •• L
•
6900
TWIN TRIODE
OUTLINE DRAWING
MINIA TURE TYPE
BASING DIAGRAM
JEDEC 9H
FOR
PULSE APPLICATIONS
IN MISSILES, AIRCRAFT
T-6!
2.625MAX
2.37�·
MAX
2
AND MILITARY AND INDUSTRIAL
INSTALLATIONS.
""rnrtrnn-'ll
BOTTOM VIEW
TUNGSTEN HEATER
ANY
MOUNTING
POSITION
BUTTON 9 PIN MINIATURE
BASE JEDEC E9-1
GOLD
PLATED PINS
THE 6900 IS A MEDIUM-MU TWIN TRIODE IN THE 9 PIN MINIATURE HARD GLASS CONSTRUCTION. IT
IS DES I GNED
S PECI FICAll Y FOR PULSE APPLICATIONS IN MISSilES, AIRC RAFT AND OT HER
MILI­
TARY AND INDUSTRIAL INSTAl lAT I ON S . REQUISITES IN SUCH APPLICATIONS INCLUDE FREEDOM
FROM EARLY FAilURES, lONG AVERAGE SERVICE liFE AND UNIFROM OPERATING CHARAC TERIS­
TICS.
DIR!CT IMTERELECTROD! CAPACITAMCES
WITHOUT
EXTERNAL SHIELD
4.0
GRID TO PLATE
MAX.
INPUT
OUTPUT-SECTION
OUTPUT-S ECTION
1
2
pf
pf
3.0
pf
1.0
0.5
AMPS
0.61
HEATER TO CATHODE
pf
0.8
6.5
pf
H!AT!R CHARACTERISTICS AMO RATIMGS
DESlGNCENTER VALUES - SEE EIA STANDARD RSo239
6.3
12.6
AVE RAGE C HA R AC TE R IS T I CS
VOLTS
VOLTS
6.3 :t 0.3
12.6:t 0.6
LIMITS OF APPLIED VOLTAGE
HEATER- CATHODE VOLTAGE:
500
HEATER NEGATIVE WITH RESPECT TO C ATHODE
500
HEATER P OSITIVE WITH RESPEC T TO CATH ODE
TUNG-SOl ElECTRIC INC.,
[lECTROM TUIE OIYISI�,
8l00MFIELO, IIEW
�ERSU,
U.S.A..
JUNE
I, 196�
AMPS
VOLTS
VOLTS
VOl T S
VOLTS
PLATE
.6629
IU •• •• ,
•
6900
TWIN TRIODE
MINIATURE TYPE
MAXIMUM RATINGS
DESIGN CENTER VALUES - SEE EIA STANDARD R5-239
PLA TE VOLTAGE
600
PEAK GRID VOLTAGE
100
200
POSITIVE VALUE
N EGATIVE VALUE
PEAK CATHODE CURRENT
4.5
-SEE CHART
PLATE DISSIPATION PER PLATE
4.25
1.0
GRID CIRCUIT RESISTANCE
AVERAGE WARM-UP TIME
45
AVERAGE CHARACTERISTICS
-
VOLTS
VOLTS
VOLTS
AMPS
WATTS
MEGOHM
SEC.
EACH SECTION
PLATE VOLTAGE
GRID VOL TAGE
120
VOLTS
-2.0
VOLTS
36
11,500
PLATE CURRENT
TRANSCONDUCTANCE
AMPLI FICA TICH FACTOR
mA
jlM HOS
18.5
TYPICAL OPERATING CONDITIO NS AND OIARACTERISTICS - PULSE
BOTH SECTIONS IN PARALLEL
500
+so
-100
PLATE VOLTAGE
GRID PULSE
(Iotgk)
GRID VOLTAGE
PLATE BIAS VOLTAGE
4.25
0.50
GRID CURRENT
PULSE
TIME
10
250
PULSE REPETITION RATE
VOLTS
VOLTS
VOLTS
AMPs.
AMP
I'5EC
PPS
SPECIAL TESTS AND RATINGS
AL TITUDE -SEE APPLICATION NOTE
BULB TEMPERATURE AT HOTTEST POINT ON BULB
80,000
300
500
50
IMPACT SHOCK
VIBRATIONAL ACCELERATION
LIFE
HEATER CYCLING LIFE
FATIGUE
SHOCK
GLASS STRAIN
_ TO OBTAIN GREATEST
IS
SUBJECT TO ALL
LIFE
EXPECTANCY FROM TUBE, AVOID DESIGNS WHERE THE TUBE
MAXIMUM RATINGS SLMULTANEOUSLY.
FT.
·e
G
G
,U •• •• L
•
6900
TWIN TRIODE
MINIA TURE TYPE
APPLICA TIOM MOTES
SPECIAL ATTENTION SHOULD BE GIVEN TO THE TEMPERATURES AT WHIOf THE
BE
ED. RELIABiliTY Will
EXPECTANCY Will BE
RED UCE D
ARE TO BE OPERAT­
APPRECIABLY IF ABSOLUTE MAXIMUM RATINGS ARE EXCEEDED. BOTH
J EOPAR DIZ ED IF
RELIABILITY AND PERFORMANCE Will BE
liFE
T UBES
S ERIOU S L Y IMPAIRED IF MAXIMUM BULB TEMPERATURE IS EXCEEDED. THE liFE
FilAMENT VOLTAGE RATINGS ARE EXCEED ED .
AND RELI ABILITY OF PERFROMANCE ARE DIRECTLY RELATED
TH E HEATER VOLTAGE IS MAINTAINED
AT
TO THE
DEGREE THAT REGULATION OF
ITS CENTER RATED VALUE.
THIS TUBE IS CONSTRUCTED USING NONEX GLASS AND THUS CAN WITHSTAND HIGHER AMBIENT TEMPERA­
TURE S IN
OPERATION.
HOWEVER,
T H E BULB
TE"'PERATURE
SHOULD NEVER
EXCEED:JOOec
AT ITS HOTTEST
POINT AND COOLING SHOULD BE EMPLOYED IF NECESSITATED BY THE ADDIT IV E EFFECTS OF OPERATION
AT HIGH ALTITUDES AND HIGH
DI SS I PATION
SIMULTANEOUSLY
EQ UI PM E NT.
THE PLATE VOl TAGE RATING AND HIGH-PERVEANCEOF THE
OR
6900
BY OTHER SOURCES
MAKE
IT
OF H E AT
IN THE
READILY ADAPTABLE TO VARIED
PULSE APPLICATIONS. IN ORDER TO INSURE MAXIMUM RELIABILITY IN PULSE SERVICE THE PEAK CATHODE
CURRENT SHOULD NOT EXCEED THE VA LUE SHOWN IN PULSE RATING CHART fOR THE REQUIRED DUTY
FACTO R
.
AVERAGE PLATE
CHARACTERI STlCS
PLATE VOLTS
--
I
AVERAGE
��.
PULSE CHARACTERISTICS
�,,�
BOTH SECTIONS IN
PARALLEL
<It
III
CIC
..
III
�
�
I
..
�
3
�
c
ii
"
CIC
0
-
�
I/,
�
III
...
�
..j
CL
�
1/
k'
�
�
10""
� f'-..
i.;o' """
l,...-
"""' ....
I.'
� """
....
�
t.,.... �
L,..oo I--"
-- 10--"
� I"
,,�
[...�
.-
i.;o'
;�
t.,.... I'"
� i.;o'
L.,..o �
t.- �
Ee:::
..
,,19-
�)9.
L,..oo 10--"
.....
ISo .::;;. loo I- � r- I- . - ... � � r-- ..... '- f- -- 1-- loo- . - loo ..... 1-- 10--"'"
- I� 1- � I- loo- ..... 1- - � ....
. 1- ro- - � � I-f- �- - � .. � � 1n��JO
300
200
100
-� 11""". �
""'"
�
L,..oo �
� io-"""
'"'"
�
""""
� I'"
c...... i.;o'
,�
L.,..o I--"
�
..... i.'
i.--'
L.,..o iooo'"
�
..... i.'
.,. � F-
i.'
�
N
I.'
� 10""
�)--;..
L...,.o
+50
!,1.0�
--p-. �- ....
I- � 1-�
- 10. ..... i-.
SIO
f-
r-
I..t..-V+�O
t::"L- + -0
�
PUTE VOLTS
6900
TWIN TRIODE
MINIATURE
TYPE
DUTY FACTOR (10,000
DE FINED
AS
pSEC. AV.
pSECONDS TO 10,000 ,..sECONDS
<It
III
CIC
..
ON TIME IS DEFINED
DURA TION
III
CL
TIME) IS
THE RATIO OF "ON" TIME IN
•
AS THE SUM OF THE
OF ALL INDIVIDUAL PULSES
WHICH OCCUR DURING ANY 10,000 pSECOND
�
INTERVAL.
I
...
Z
III
CIC
CIC
1\
;:)
u
\
III
C
0
j!:
�
u
w
�
III
CL
><
�
1
1\ PI\.
f'�
�
n
.001
•
'"
i'oo...
� r-
T
1-0".
DUTY FACTOR
.