MIL-PRF-1/1097J
TABLE I. Testing and inspection.
MIL-STD-
Limits
1311
Requirement or test
Conditions
Symbol
Unit
method
Min
Max
Conformance inspection,
part 1
1301
If
142
158
mA
Heater current
μA dc
1336
See note 8
Ihk
---
7
Heater-cathode leakage
μA dc
1266
Test condition (1);
Ic
0
-0.7
Total grid current
Rg = 0.5 MegΩ
(see note 3 and note 8)
1256
Ib
7.0
14.0
mA dc
Electrode current (1)
Test condition (1)
(anode)
(see note 8)
μA dc
1256
Ib
---
100
Electrode current (2)
Test condition (1);
(anode)
Ec = -20 Vdc;
Rp = 0.1 MegΩ;
Rk = 0; Ck = 0
(see note 8)
μmhos
1306
Sm
4,500
6,500
Transconductance (1)
Test condition (1)
(see note 8)
1201
---
---
---
---
Short and discontinuity
detection
Conformance inspection,
part 2
MegΩ
1211
See note 8
R
500
---
Insulation of electrodes
Test condition (1)
1256
Ib
---
3.2
Electrode current (1)
mAdc
(anode) (difference
between sections)
μA dc
1256
Test condition (1);
Ib
5
---
Electrode current (3)
Ec = -6.5 Vdc;
(anode)
Rp = 0.1 MegΩ;
Rk/k = 0
(see note 8)
ĆSm
---
15
%
1306
Transconductance (2)
Test condition (1);
Ef
Ef = 11.4 V
(see note 8)
μA dc
1266
0
-1.5
Grid emission
Ef = 15.0 V;
Ic
Ec = -20 Vdc;
Rg/g = 0.5 MegΩ
Rk = 0; Ck = 0
(see note 7 and note 8)
2201
---
---
Noise and microphonics
---
---
Ebb = 300 Vdc;
Ecal = 100 mVac;
Rk = 200 ohms;
Rp = 10,000 ohms;
grid grounded
(see note 2)
See notes at end of table.
2
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