MIL-PRF-1/30C
TABLE I. Testing and inspection.
Limits
MIL-STD-1311
Requirement or test
Conditions
Symbol
Unit
method
Min
Max
Conformance
inspection, part I
1301
If
380
420
mA
Heater current
1256
Ib
8.0
16.0
mA dc
Electrode current (1)
(anode)
µA dc
1256
Ec = -28 V dc; Rk = 0
Ib
---
10.0
Electrode current (2)
(anode)
µmhos
1306
Sm
3,350
5,650
Transconductance
(Eb = Ec)/Ik = 30 mA dc;
1231
Etd
---
10
Emission
V dc
Rk = 0 (see note 2)
eb = ec = 100 v;
1231
is
800
---
Peak emission
mA
tp = 3.0 µs; prr = 500
Conformance
inspection, part 2
---
po
125
---
w
F = 1,075 MHz ± 25 MHz;
Power output
eb = 1,000 v; prr = 2,000;
tp = 1.0 µs; cavity in
accordance with 171-JAN
1031
---
---
---
---
Vibration
No voltages
µA dc
1266
Ic
0
-1.0
Total grid current
MegΩ
1211
R
25
---
Insulation of electrodes
Ef = 6.3 V; Eg to all
= 100 V dc
1316
Mu
15
35
Amplification factor
---
1331
Cgp
1.75
2.05
Direct-interelectrode
Test in cavity in accordance
pF
Cgk
1.05
1.35
capacitance
with 170-JAN
pF
Cpk
0.28
0.48
pF
---
---
10
---
Torque
Applied between anode and
lb-in.
cathode without shock
(see note 3)
T = 175°C (min);
---
---
---
---
Seal
---
t = 16 hours (min)
(see note 1)
Conformance
inspection, part 3
---
Group C; power output
---
---
---
---
Life-test provisions
t = 250 hours
---
Power output
po
100
---
w
Life-test end point
See notes at top of next page.
4
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