MIL-PRF-1/1733A(NAVY)
TABLE I. Testing and inspection - Continued.
Inspection
Limits
Inspection
Method
Conditions
Acceptance
level or
Symbol
Unit
level
code
Min
Max
Conformance inspection,
part 1 - Continued
Electrode current (screen)
1256
Ef = 0.95 V, 60 Hz;
0.65
II
Ic2
-25
25
mA dc
Ec2 = 600 V dc;
Ec1/Ib = 1.0 Adc;
Eb = 6.5 kV dc
RF aging time
---
Peak power output except, Ebb
0.65
II
t
10
---
min
= 16.5 kV dc;
Ib = 1.2 Adc;
ec2 = 2.3 kv;
Ec1 = -310 H 40 V dc
(Notes 18/ 26/ 27/ and 30/
do not apply) 14/
Input resonant frequency
---
20/
0.65
II
Fi
230
245
MHz
Output resonant frequency
---
20/
0.65
II
Fo
241
245
MHz
Conformance inspection,
part 2
Direct-interelectrode
1331
Use special shield adapter
---
---
Cg2k
10,000 18,000
pF
capacitance
DSCC Drawing No. 66060, or
Cg1p
---
0.15
pF
equivalent
21/
Conformance inspection,
part 3
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---
---
---
---
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Life test
Group S
Initial life
---
Ef = 0.95 V, 60 Hz;
---
---
---
---
---
---
ebb = 30 kv;
ec2 = 2 kv (max);
Ec1 16/;
pd/Ib = 165 mA dc;
po = 750 kw (min);
F = 225 H 15 MHz;
tp = 10 H 1 2s;
prr = 300 H 5;
specified life = 1,000 hours
1/ 11/ 12/ 15/ 16/ 31/
Initial life-test end point:
---
Peak power output
---
---
---
po
750
---
kw
Initial life
Multiple short life (1)
---
Initial life except, po = 825 kw
---
---
---
---
---
---
(min); t = 50 hours 32/
See footnotes at end of table.
3
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