MIL-PRF-1/1120G
TABLE I. Testing and inspection.
MIL-
Inspection
STD-
Acceptance Symbol
Notes
Conditions
Limits
Unit
1311
level
Method
30/
Min
Max
15/
Conformance inspection, part 1
Insulation of electrodes
MegΩ
---
50
R
0.65
1211
Eb = Ek = 0;
---
Ec = -500 V dc
0.65
Po
15
---
W
13/ 16/ F = 2.5 GHz (min);
Power oscillation
1236
Ebb = 1,000 V dc;
Ib = 90 mA dc;
Ef = 5.0 V
Electrode voltage (1)
1261
17/
0.65
Ec
-2.0
-7.0
V dc
(grid)
Total grid current
1266
17/
0.65
Ic
---
-8
µA dc
0.65
---
120
ma
Pulse emission (1)
2212
---
Eb = 145 V dc;
Ćik
Ec = -10 to -150 V dc; egk/ik
= 750 ma;
Ef = 5.4 V;
prr = 11 ± 1 pps;
tp = 4,500 µs (min);
tr = tf = 25 µs;
slope = 0.5 percent;
ripple = 0.1 percent
v
0.65
egk
14
22
Current division
1372
---
Pulse emission (1),
ma
ic
200
320
(long pulse)
except egk/ib = 460 ma; Ef =
6.0 V
Heater current
A
1301
---
0.65
If
0.90
1.05
Conformance inspection, part 2
Power oscillation (pulse)
W
---
4
Po
---
13/ 19/ F = 3.0 GHz (min);
1236
epy = 3.5 kv;
Ec = -1.5 V (min);
Rg/Ib = 7.5 mA (max);
Ic = 4.5 mA (max);
Ef = 5.8 V
Cin
7.0
13/ 20/ No voltages
Direct-interelectrode
5.6
pF
1331
Cgp
2.15
capacitance
1.95
pF
---
Cout
pF
---
0.035
Resonance
---
13/ 21/ No voltages
---
---
---
---
---
Grid distortion
---
13/ 22/
---
+1
-7
MHz
ĆF
1261
---
Ec/Ib = 1.0 mA dc
---
Ec
---
-25
V dc
Electrode voltage (2)
(grid)
See footnotes at end of table.
2
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