MIL-PRF-1/1313G
TABLE I. Testing and inspection - Continued.
Inspection
Method
Notes
Conditions
Symbol
Limits
Unit
MIL-STD-1311
Min
Max
Conformance inspection,
part 3 - Continued
Life-test (4) end points:
---
Heater current
1301
---
If
2.6
3.1
A ac
µA dc
Heater-cathode
Ehk = +250 V dc
1336
---
Ihk
---
150
µA dc
leakage
Ehk = -250 V dc
Ihk
---
150
Pressure drop
Airflow = 5.0 cfm (min)
1155
9/
---
---
0.4
Inch
H2O
°C
Cooling
9/ 12/ Eb = 2,000 V dc;
---
T(anode
---
250
Ec1= 0;
core)
°C
Ec2/Ib = 150 mA dc;
T(anode
---
225
airflow = 5.0 cfm (max)
seal)
°C
T(base
---
225
seal)
Humidity
1011
9/
---
---
---
---
---
Humidity test end point:
µA dc
Total grid current
1266
---
Ic1
---
-20
Life-test (1)
RF useful power output;
---
9/
---
---
---
---
t = 500 hours
Life-test (1) end points:
---
Ćik
Pulse emission (2)
2212
---
---
100
ma
µA dc
Primary grid emission
1266
---
---
-25
Isg1
(control)
µA dc
Primary grid emission
1266
---
---
-250
Isg2
(screen)
µA dc
Ehk = +250 V dc
Heater-cathode
1336
---
---
150
Ihk
leakage
Ehk = -250 V dc
---
150
µA dc
Ihk
RF useful power
2214
---
180
---
Po
W
output
---
9/
---
---
---
---
Life test (3)
Ebb = 1,000 V dc;
Ec2 = 250 V dc;
Ec1/Ib = 50 mA dc;
Eg1/Ib = 100 mA dc;
Rp = 1,000 ohms;
TA = 200°C (min);
F = 1 kHz (min);
t = 100 hours
Life-test (3) end points:
---
Ćik
Pulse emission (2)
2212
---
---
100
ma
µA dc
Total grid current
1266
---
---
-20
Ic1
See footnotes at top of next page.
5
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