MIL-PRF-1/211G
TABLE I. Testing and inspection.
Inspection
Method
Conditions
Acceptance
Symbol
Limits
Limits
Unit
Level (see note 2)
Min
Max
Conformance
inspection, part 1
a
---
1.5
is
0.65
eb = ec = 1,000 v
1231
Peak emission
V dc
-24
-14
Ec
0.65
1261
Electrode voltage (grid)
-5.0
---
Ic
0.65
note 1
1266
Total grid current
µA dc
3.15
2.80
If
0.65
1301
Filament current
Aac
Conformance
inspection, part 2
mV ac
---
500
---
Ep
1031
Low-frequency vibration
Rp = 2,000 Ω;
Eb = 250 V dc;
Ec/Ib = 10 mA dc
---
---
---
---
---
1036
Bump
Angle = 25°
45
---
---
W
Po
1236
Power oscillation
F = 100 MHz;
Eb = 1,000 V dc;
Ib = 80 mA dc;
Ic = 25 mA dc
28
---
---
22
1316
Mu
Amplification factor
Cgp
1.8
1.4
1331
pF
---
Direct-interelectrode
No shield
Cin
2.2
1.4
pF
capacitance
Cout
0.3
0.1
pF
Conformance
inspection, part 3
Life test
Group C;
---
---
---
---
---
---
Pp = 25 W ;
t = 500 hours
Life-test end point:
---
1231
Peak emission
---
is
1.0
---
a
NOTE:
1. This test is to be the first test performed at the conclusion of the holding period.
2. This specification sheet uses accept on zero defect sampling plan, in accordance with MIL-PRF-1, table III.
2