MIL-PRF-1/1165F
TABLE I. Testing and inspection.
Limits
MIL-STD-1311
Acceptance
Inspection
Notes
Conditions
Symbol
Unit
Method
level 16/
Min
Max
2
--
---
---
---
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----
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Radiation rating
Conformance
inspection, part 1
1301
0.4
If
330
370
mA
Heater current
μAdc
1336
3
0.4
Ihk
----
15.0
Heater-Cathode leakage
μAdc
1266
3, 4
Eh = 150 Vdc;
0.4
Ic
0
-0.3
Total grid current
Ec = -1.5 Vdc;
Rk = 0;
Rg = 1.0 Meg Ω
1256
3
0.4
Ib
0.50
1.10
mAdc
Electrode current (1)
(anode)
μAdc
Ec = -3.5 Vdc;
1256
3
0.4
Ib
---
50
Electrode current (2
Rk = 0
(anode)
1,950 μohms
1306
3
0.4
Sm
1,350
Transconductance (1)
1201
0.4
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----
----
----
Short and discontinuity
detection
Conformance
inspection, part 2
MegΩ
----
500
3
R
1211
2.5
Insulation of electrodes
mAdc
0.2
---
Ib
1256
2.5
Electrode current (1)
(anode) (difference
between sections)
ĆSm
%
15
Ef = 5.5 V
----
3
1306
2.5
Transconductance (2)
Ef
μAdc
-0.5
Ef = 7.5 V;
0
3, 5
Ic
1266
2.5
Grid emission
Ec = - 3.5 Vdc;
Rg = 1.0 MegΩ;
Rk = 0
-----
---
Ecal = 45 mVdc;
---
6, 7
EB
1246
2.5
Audio Frequency noise
Rg = 0.1 MegΩ
Rk= 750 ohms;
Rp = 0.2 MegΩ
15
Ef = 6.3 Vac at 400
-----
3, 8
----
2201
2.5
Noise and microphonics
mvpp
Hz;
(hum)
Eb = Ec = 0;
Rk/k = 5,000 ohms
----
20
--
3, 16
t
----
6.5
Operation time
sec
85
60
3
Mu
1316
6.5
Amplification factor
---
---
7.5
3
Ep
1321
6.5
AC amplification
Vdc
Ebb = 100 Vdc;
Ecc = 0; Rk =0;
Esig = 0.2 Vac
2
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