MIL-PRF-1/1702C
TABLE I. Testing and inspection.
Method
Requirement or test
Notes
Conditions
Symbol
Limits
Unit
Min
Max
7/
Conformance inspection, part I
A
1.05
0.90
If
Heater current
1301
V dc
-7.5
-2.5
Ec
Electrode voltage (1) (grid)
1261
---
50
Rgk
Insulation of electrodes
1211
Eb = Ek = 0; Ec = -500 V dc
MegΩ
-8.0
---
Ic
Total grid current
1266
µA dc
150
---
etd
Pulsing emission
Ef = 5.7 V;
1231
v
eb = ec = etd/is = 5.0 a;
tp = 3 µs (max);
prr = 600 (max)
---
---
---
Video pulse operation
8/
---
Ebb = 4,000 V dc;
---
Ec = -150 V dc;
egk/ik = 1.0 a (min);
tp = 250 µs ±10 percent;
prr = 20 ±10 percent;
t = 60 seconds
1.0
---
Ib
High-voltage hold-off
---
9/
mA dc
Eb = 5,000 V dc;
Ec = -150 V dc;
t = 30 seconds
10/
Conformance inspection, part 2
V dc
-25.0
---
Eco
Ec/Ib = 1.0 mA dc
1261
Electrode voltage (2) (grid)
W
---
4.0
Po
F = 3,000 MHz (min);
1236
Power oscillation (pulse)
11/
(useful)
epy = 3.5 kv;
Ec = -1.5 V dc (min);
Rg/Ib = 7.5 mA dc
Ic = 4.5 mA dc (max);
Ef = 5.8 V
pF
7.00
5.60
Use fixture in accordance with
Cin
Direct-interelectrode
1331
pF
2.10
1.85
Drawing 158-JAN (21/); ground
Cgp
capacitance
pF
0.035
---
Cout
cathode connection
---
---
---
Resonance test
---
---
No voltages applied
12/ 13/
See footnotes at end of table.
2
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