MIL-PRF-1/507H
TABLE I. Testing and inspection - Continued.
*
Requirement or test
MIL-STD-1311
Conditions
Acceptance
Symbol
Limits
Limits
Units
method
levels
(see note 35)
Min
Max
Conformance
inspection, part 2 -
continued.
ĆF
Frequency pushing
4311
(Osc.(1)) VSW R
6.5
---
3.5
MHz/mA
factor
= 1.1:1 (max.)
Swept: 22 to 26 mA dc at
50 Hz rate
Conformance
inspection, part 3
cycles
---
175
N
---
Group D (Osc.(1))
---
Cycling life
VSW R = 1.5:1, min.
Cycle thru λg/2
ea. 15 minutes of
oscillation (note 26)
W
---
120
Po
---
(4.6.2)
Life-test end-points
Aver. power output
kv
26
22
epy
(Osc. (1)):
Pulse voltage
GHz
16.160
15.840
F
Fixed tuned frequency
MHz
8
---
BW
RF bandwidth
%
1.0
---
MP
Stability
ĆF
MHz/hr
2
---
Freq. drift, (note 27)
Periodic check,
(notes 28, 29, 30)
---
---
---
---
1006
Salt spray (corrosion)
---
---
---
---
---
1011
Humidity
---
---
---
---
---
1042
Shock
---
Normal mounting.
Test cond. A except
G = 15 (peak)
(note 31)
pF
20
10
---
4266
Input capacitance
C
Heater to anode
MHz/°C
0.75
---
---
4027
Temperature
ĆF/°C
(Osc. (1))
coefficient
VSW R = 1.1:1
Anode T = +55°
to +85°C (note 4)
---
---
---
---
Low-pressure
---
---
(Osc. (1))
VSW R = 1.5:1
Pressure = 522 mmHg
(note 32)
2.0
---
---
1026
Low-temperature
%
MP
Pre-test cooling
operation
= 60 minutes at
-65°C (Osc.(1)); Stability
test requirements;
tk = 180 sec., max.
(note 23)
See notes at end of Table I.
3
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