MIL-PRF-1/1633B
TABLE I. Testing and inspection.
Acceptance
Limits
Inspection
Method
Conditions
Level 26/
Symbol
Min
Max
Unit
Conformance inspection,
part 1
A
1.40
1.20
If
0.65
1301
Heater current
Electrode (1) voltage
10/
0.65
Ec
-6.0
-12.0
V dc
1261
(grid)
Total grid current
1266
7/ 10/
0.65
Ic
---
-8.0
µA dc
0.65
R
50
---
Meg
Insulation of electrodes
1211
Eb = Ek = 0;
Ec = -500 V dc
Pulsing emission
1231
prr = 600 pps (max)
0.65
etd
---
180
v
tp = 3 µs (max);
eb = ec = etd/is = 10 a
Current division
1372
Eb = 160 V dc;
0.65
egk
10.0
18.0
v
Ec = -10 V dc to -150 V dc
ic
130
270
mA
egk/ib = 500 mA
Conformance inspection,
part 2
V dc
-30
---
Ec
6.5
Ec/Ib = 1.0 mA dc
1261
Electrode (2) voltage (grid)
Cin
7.00
Direct-interelectrode
9.00
1331
Use fixture in accordance
pF
Cgp
with Drawing 158-JAN 11/
2.10
capacitance
2.40
pF
6.5
Cout
---
0.06
pF
Resonance
---
No voltage applied
6.5
---
---
---
---
11/ 12/
6.5
Po
18
---
W
Power oscillation
1236
F = 2,500 MHz (min);
(useful)
Ef = 5.0 V;
Ib = 140 mA dc 11/ 13/
6.5
Po
6.0
---
W
Power oscillation (pulse)
1236
F = 3,000 MHz (min);
(useful)
epy = 3.5 kv;
Ec = -1.5 V (min);
Ef = 5.8 V;
Rg/Ib = 12 mA dc 11/ 14/
6.5
po
1.8
---
kw
Power gain (pulse)
---
F = 1,100 ± 50 MHz;
Ebb = 2,200 V dc;
Ecc = -50 V dc;
tp = 3 µs (min);
Du = 0.002 (min);
pd = 400 w 15/
See footnotes at end of table I.
2
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