MIL-PRF-1/1664B(NAVY)
TABLE I. Testing and inspection.
Inspection
Method
Notes
Conditions
Symbol
Limits
Unit
Min
Max
Qualification inspection
Salt spray (corrosion)
1006
14/
No voltages applied
----
----
----
----
Forced cooling
1143
11/ 19/
----
75
T
C
20/
Temperature coefficient
4027
19/
----
0.4
T = 70 to 150 C
F/ T
MHz/ C
Shock, specified pulse
1042
15/
Condition K; no voltages
----
----
----
----
applied
High-frequency vibration
1031
15/
No voltages applied
----
----
----
----
High-temperature
1047
15/ 18/ No voltages applied
----
----
----
----
performance
1047
Low-temperature
15/ 16/ No voltages applied
performance (1)
----
----
----
----
(2)
15/ 17/ Snap-on
----
----
----
----
Frequency pushing figure
4311
21/
ib = 12 to 18 a
----
0.5
MHz/a
F/ i
Conformance inspection,
22/
part 1
Electrode current (anode)
1256
ib
5
13
a
Warmup time
4303
Ef = 3.5 V ac;
If
10
11.5
A
tk = 150 sec (min)
Pulse characteristics
4304
5/ 6/ 7/
----
----
----
----
RF bandwidth
4308
23/
BW
----
1.32/tpc
MHz
Minor lobe ratio
4308
23/
Ratio
9
----
dB
Mechanical tuning range
4223
Upper limit
F
16,625
----
MHz
Lower limit
F
----
16,410
MHz
Pulse voltage
4306
epy
15.5
16.5
kv
Stability
4315
24/
MP
----
0.5
%
Starting stability
4315
24/ 25/
MP
----
0.5
%
Power output
4250
Po
50
75
kW
Conformance inspection,
part 2
Frequency pulling figure
4310
VSWR = 1.5:1
----
15
MHz
F
See footnotes at end of table.
2
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