MIL-PRF-1/982D
TABLE I. Requirements or tests.
Limits
MIL-STD-1311
Symbol
Requirement or test
Unit
Test
Conditions
method
Min
Max
First article inspection
High-frequency vibration
1031
---
No voltages
---
---
---
---
MHz/°C
Temperature coefficient
4027
4
See figure 2
---
0
-0.20
Base material insulating
1216
---
Phenolic wafer
---
---
---
---
quality
(see figure 1)
Conformance inspection,
---
See note 7
part 1
Electrode current
1256
2
Ik
---
32
mA dc
(cathode)
ĆIk
Cathode emission
4214
2
Ef = 5.8 V; t = 2 minutes
---
15
%
Ik
Power output (1)
4250
3, 4, 5 See notes 3 and 5
Po
20
---
mW
Reflector voltage (1)
4213
5
Er
-143
-200
V dc
Mode continuity
---
4
See note 1
---
---
---
---
µA dc
Total reflector current
4229
5
See note 6
Ir
---
7.0
µA dc
Reflector-leakage
4229
5
See note 6
Ir
---
5.0
current
µA dc
Reflector-gas current
4229
5
See note 6
Ir
---
2.0
Conformance inspection,
part 2
Ehk = ± 45 V dc
µA dc
Heater-cathode leakage
1336
---
Ihk
0
100
Heater current
1301
1
If
410
470
mA
MegΩ
Insulation of electrodes
1211
---
300 V dc; tube cold
Rkrs
2.0
---
MegΩ
Rhrs
2.0
---
Power output (2)
4250
6
Po
15
---
mW
Reflector voltage (2)
4213
6
Er
-75
-120
V dc
ĆF
Electronic tuning range
4280
4
35
---
MHz
Er max Po
(1)
50%
ĆF
Electronic tuning range
4280
4
---
145
MHz
Er max Po
(2)
2.5%
Electronic tuning
4231
3, 5
Ratio
---
0.25
---
hysteresis (1)
See notes at end of table.
2
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