MIL-E-1/188J
TABLE I. Testing and inspection - Continued.
Limits
MIL-STD-1311
Requirement or test
Units
Notes
Conditions
Symbol
Method
Min
Max
Conformance inspection,
part 2 - Continued
Pulse emission
1231
2/ 7/
Ef = 6.0 V;
is
300
---
ma
e pulse = 50 v;
tp = 25 µs;
prr = 200 pps
Pulse cathode current (1)
---
1/ 2/ 8/
Ef = 6.3 V;
ik
330
---
mA
Ćik(tp)
Type 6021WSPL
eb = 150 v;
---
10
%
Ec = -25 V dc;
egk = +30 v
Pulse cathode current (2)
---
1/ 2/ 8/
Ef = 5.9 V;
ik
310
---
mA
Type 6021WSPL
eb = 150 v;
Ec = -25 V dc;
egk = +30 v
Lead fatigue
1116
---
---
---
---
Envelope strain
2126
---
---
---
---
Shock
1041
9/ 10/
450 G;
---
---
---
---
ehk = +100 V dc;
Rg = 0.1 MegΩ
Vibration-fatigue
1031
---
---
---
---
Shock and vibration-
---
fatigue-test end points:
High-frequency vibration
1031
2/
Rp = 10,000 ohms
Ep
---
200
mV ac
µA dc
Heater-cathode leakage
1336
2/
Ihk
---
20
ĆSm
Change in transconduct-
1306
2/
---
20
%
ance (1) of individual
t
tubes
Permanence of marking
1105
---
---
---
---
Conformance inspection,
part 3
Heater-cycling life
1506
Ef = 7.0 V;
---
---
---
---
1 min on, 4 min off;
Ehk = 140 V ac;
Ec = Eb = 0
Stability life
1516
Ehk = +200 V dc;
---
---
---
---
Rg/g = 1.0 MegΩ;
TA = room
Stability life-test end point:
---
(2 and 20 hours)
ĆSm
Change in transconduct-
1306
2/
---
15
%
ance (1) of individual
t
tubes
See footnotes at end of table.
3
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