MIL-PRF-1/1658C
TABLE I. Testing and inspection.
Acceptance
Limits
Inspection
Method
Conditions
Level 25/
Symbol
Min
Max
Unit
Qualification inspection
Operation (3)
----
egy
----
1,100
v
----
TA = 75°C, except
7/ 10/ 11/ 12/
t = 5 hours
----
----
----
----
----
Life-test (2) provisions
----
epy = 25 kv;
7/ 11/ 13/ 14/
prr = 740;
Ib = 4.0 Adc (min);
egy = 1,200 v;
Zg = 50 Ω (min);
t = 1,000 hours
Life-test (2) end points:
v
Operation (1)
----
----
egy
----
1,200
Zg = 50 Ω (min)
----
Ebb
----
3,000
V dc
DC anode voltage (1)
3246
egy = 1,200 v;
Zg = 50 Ω (min)
----
tj
----
0.01
Time jitter
3261
egy = 1,200 v;
µs
Zg = 50Ω (min)
Conformance inspection,
part 1
Dimensions
----
See figure 1
1.0
----
----
----
----
Heater current (cathode)
3241
0.65
If
22
35
Aac
Heater current (reservoir)
3241
Eres = 4.5 V ac
0.65
Ires
3.0
10.0
Aac
DC anode voltage (1)
3246
Eres = 105 percent
0.65
Ebb
----
2,500
V dc
15/
of optimum value
0.65
----
----
----
----
----
Eres = 105 percent
Instantaneous start
of optimum
7/ 10/ 16/
reservoir voltage;
epy = 24 kv (min)
0.65
egy
----
1,100
v
Operation (1)
----
epy = 36 kv;
7/ 10/ 11/ 17/ 18/
t = 1 hour
Reservoir voltage (1)
----
Operation (1)
0.65
Eres
3.5
5.5
V dc
19/
0.65
egk
----
300
v
Emission 20/
3251
ik = 2,000 a;
tp = 5.0 µs ± 10
percent;
prr = 60 pps ± 10
percent;
tr = 0.5 µs (max)
See footnotes at end of table.
2
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