MIL-PRF-1/770F
TABLE I. Testing and inspection.
MIL-STD-1311
Limits
Inspection
Method
Test
Conditions
Symbol
Min
Max
Unit
Qualification inspection
ĆF
MHz/°C
Temperature coefficient
4027
1
F = F1, F2, and F3;
---
0.07
ĆT
T = 60°C to 90°C
Low-temperature operation
1047
1
tk = 180 (max);
---
---
---
---
F = F2
High-frequency vibration
1031
---
No voltages
---
---
---
---
1/
Conformance inspection, part 1
2
Pressurizing
4003
----
---
---
---
---
P = 40 to 45 lbf/in
Heater current
4289
---
Ef = 16.0 V;
If
2.8
3.4
A
tk = 120 4/
Power output (1)
4250
1
F = F1, F2, and F3;
Po
400
---
W
t = 300 sec (max)
Power output (2)
4250
2
F = F1;
Po
400
---
W
t = 300 sec (max)
Stability
4315
1, 2
2/
MP
---
1.0
%
Pulse voltage
4306
1
F = F1, F2, and F3
Type 5586
epy
27
32
kv
Type 5657
epy
27.5
32.5
kv
Mechanical tuning
4223
1
Type 5586
Lower limit
F
---
2,700
MHz
Upper limit
F
2,900
---
MHz
Mechanical tuning range
4223
1
Type 5657
Lower limit
F
---
2,900
MHz
Upper limit
F
3,100
---
MHz
RF bandwidth
4308
1
BW
---
MHz
2.5
tpc
Conformance inspection, part 2
Low-frequency
1031
---
No voltages
---
---
---
---
vibration
ĆF
Frequency pulling figure
4310
1
Ib = 20 to 35 mA dc
---
15
MHz
Permanence of marking
1105
---
---
---
---
---
See footnotes at end of table.
2
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