MIL-PRF-1/1726B
TABLE I. Testing and inspection.
Inspection
Limits
Inspection
Method
Conditions
Acceptance
level or
Symbol
Unit
level
code
Min
Max
Conformance inspection,
part 1
Heater current
0.65
1301
II
If
1.2
1.4
A
Electrode voltage (1)
0.65
1261
II
9/
Ec
-2.0
-7.0
V dc
(grid)
Eb = Ek = 0; Ec = -500 V dc
Insulation of electrodes
0.65
1211
II
R
50
---
Meg
7/ 9/
Total grid current
0.65
1266
II
Ic
---
-8.0
A dc
eb = ec = etd/is = 10.0 a;
Pulsing emission
0.65
1231
II
etd
---
200
v
tp = 3 Ps (max); prr = 600 (max)
Eb = 10.0 kV dc;
8/
High-voltage hold off
0.65
---
II
Ib
---
1.0
Ec = -150 V dc
mA dc
Conformance inspection,
part 2
Electrode voltage (2)
---
Ec/Ib = 1.0 mA dc
1261
---
Eco
---
-30.0
V dc
(grid)
F = 1,100 r50 MHz;
---
Power gain
---
---
G
7.0
---
dB
Ebb = 3.0 kV dc (min);
Ecc = -40 V dc; tp = 3 Ps
(min); Du = 0.002 (min);
pd = 400 w 10/ 11/
No voltages applied; use fixture ½
Cin
Direct-interelectrode
1331
7.0
9.0
pF
¾
® Cgp
capacitance
---
1.5
1.8
pF
---
in accordance with Drawing
¿
¯ Cout
---
0.05
pF
158-JAN 10/
---
Resonance
---
---
---
---
No voltages applied 10/ 12/
---
---
See footnotes at end of table.
2
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