MIL-PRF-1/999C
TABLE I. Testing and inspection.
Inspection
Method
Notes
Test
Conditions
Symbol
Unit
Limits
MIL-STD-1311
Min
Max
Preproduction sample
1/
approval inspection
Loaded Q
4461
2/
---
F0 = F1
QL
---
8.5
---
High-level VSWR
4474
2/
2
VSWR
---
1.15
---
Degradation due to
4021
---
---
---
---
---
---
vibration
Conformance inspection,
part 1
Tuning susceptance
4482
2/
---
F0 = F2; g = 0.05
b
-0.06
+0.06
---
Firing time
4486
3/
1
t
---
10
sec
Arc loss
4488
3/
1
La
---
0.8
dB
Electrical symmetry
---
2/ 4/
---
F0 = F2; g = 0.05
---
---
0.06
cm
Temperature cycling
1027
---
---
---
---
---
---
(nonoperating)
Conformance inspection,
part 2
Dielectric material strain
4101
---
---
---
---
---
---
Normalized conductance
4484
2/
---
F0 = F2
g
---
0.06
---
μs
Recovery time
4471
2/
3
t
---
10
Conformance inspection,
part 3
Life test
---
6/
3
Group D
t
500
---
hrs
Life-test end points:
---
Tuning susceptance
4482
2/
---
Method A; F0 = F2;
b
-0.08
+0.08
---
g = 0.05
Arc loss
4488
3/
1
La
---
1.0
dB
Normalized
4484
2/
---
F0 = F2
g
---
0.1
---
conductance
μs
Recovery time
4471
2/
3
t
---
15
Temperature cycling
1027
---
---
Group D;
---
---
---
---
life test
10 cycles (min)
See footnotes at top of next page.
2
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