MIL-PRF-1/1037E
TABLE I. Testing and inspection.
Inspection
Limits
Inspection
Method
Conditions
Acceptance
level or
Symbol
Unit
level
code
Min
Max
Conformance inspection,
part 1 8/
Insulation of electrodes
1211
Eb = Ek = 0
0.65
II
R
50
----
Meg
Ec = -500 V dc
Power oscillation 6/ 9/
1236
F = 2.5 GHz (min); Ebb = 1,000
0.65
II
Po
15
----
W
V dc; Ib = 90 mA dc;
Ef = 5.0 V
Electrode voltage (1)
1261
0.65
II
Ec
-1.3
-3.5
V dc
(grid)
Total grid current
1266
0.65
II
Ic
----
-3
2A dc
Pulse emission (1)
2212
Eb = 145 V dc;
0.65
II
ik
----
120
ma
Ec = -10 to -150 V dc;
egk/ik = 750 ma; Ef = 5.5 V;
prr = 11 H 1 pps;
tp = 4,500 2s (min);
tr = tf = 25 2s;
slope = 0.5 percent;
ripple = 0.1 percent
Current division
1372
Pulse emission (1), except
0.65
II
egk
11
19
v
(long pulse)
egk/ib = 400 ma; Ef = 6.3 V
ic
210
325
ma
Heater current
1301
0.65
II
If
0.95
1.10
A
Conformance inspection,
part 2
Power gain 6/ 12/
----
F = 1.85 GHz H 5 MHz;
----
----
Po
16
----
W
Ebb = 600 V dc; Ec/Ib = 100
mA dc; Pd = 2.5 W; Ef = 5.8 V
Direct-interelectrode
1331
No voltages
----
----
Cin
6.0
7.0
pF
capacitance 6/ 13/
Cgp
1.89
2.13
pF
Cout
0.018
0.029
pF
Resonance 6/ 14/
----
No voltages
----
----
----
----
----
----
Grid distortion 6/ 15/
----
----
----
F
+0.5
-3.0
MHz
Electrode voltage (2)
1261
Ec/Ib = 1.0 mA dc
----
----
Ec
-7
-15
V dc
(grid)
Grid arc
----
See figure 2
----
----
----
----
----
----
Pulse emission (2)
2212
Pulse emission (1), except
----
----
ik
----
60
mA
Ef = 6.3 V
Transconductance
1306
----
----
Sm
22,000
27,500 2mhos
Amplification factor
1316
----
----
Mu
75
115
----
Low-frequency vibration
1031
Ec/Ib = 10 mA dc;
----
----
Ep
----
100
mV ac
Rp = 10,000 ohms;
Ebb = 300 V dc
See footnotes at end of table.
3
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