MIL-PRF-1/1055F
TABLE I. Testing and inspection.
Acceptance
Limits
Unit
Inspection
Method
Notes
Conditions
Level 20/
Symbol
Min
Max
12/
Conformance
inspection, part 1
W
---
1.75
Po
0.65
---
F = 3.45 GHz (min);
14/ 15/
Pulsed oscillation
(useful)
epy = 3,000 v;
Rg/lb = 2.5 mA dc;
tpv = 1.0 µs ± 10%
trv = 0.1 µs (max);
tfv = 0.2 µs (max);
prr/Du = 0.001 ± 5%;
Ef = 6.0 V
Meg
---
250
Rgp
0.65
1211
Ef = 6.3 V
Insulation of
16/
Meg
---
25
Rgk
electrodes
V dc
4.0
---
Eb = Ec
0.65
1231
Eb = Ec/ls = 40 mA dc
Emission
---
v
175
---
etd
0.65
1231
Prr = 500 (max);
Pulsing emission
---
tp = 1 to 3 µs;
Du = 0.0005 (min);
eb = ec = etd/is = 8a
V dc
-5.75
-2.5
Ec
0.65
1261
Electrode voltage
---
(1) grid
µA dc
-0.5
---
lc
0.65
1266
Total grid current
---
Conformance
inspection, part 2
V dc
---
-11.5
1261
-5.0
Ec/lb = 2 mA dc
Ec
Electrode voltage
(2) (grid)
mA
---
960
1301
840
lf
Heater current
µmhos
---
19,000
1306
13,500
Transconductance
Sm
---
8/ 13/
---
---
---
No voltages
Resonance test
---
---
65
1316
35
Amplification factor
Mu
---
pF
2.45
1331
2.10
No voltages; use
Direct-
Cgp
---
pF
5.45
4.60
shielded socket in
interelectrode
Cgk
pF
0.045
---
accordance with
capacitance
Cpk
Drawing 260-JAN. 21/
µA dc
100
1336
---
Heater-cathode
lhk
---
Eb = Ec = 0
leakage
See footnotes at end of table.
3
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