MIL-PRF-1/1254E
TABLE I. Testing and inspection.
MILSTD-
Limits
1311
Inspection
Method
Conditions
Symbol
Min
Max
Unit
Qualification inspection
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---
---
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Ebb = -800 V dc;
1002
Barometric pressure,
Ri = 4.9 MegΩ each ignitor;
reduced
pressure = 10.1 psia (max)
Degradation due to
4021
t = 15 minutes
---
---
---
---
vibration
Ratio
10
---
dB
Transmitter-receiver isolation
4491
F = F1 and F7
Ratio
15
---
dB
F = F2, F3, F4, F5, and F6
Ii = 100 µA dc on each ignitor
High-level VSW R
4474
---
---
1.2
---
po = 20 kw ± 10%;
F = F4 ± 5%
ergs
0.3
---
Spike leakage energy (2)
4452
T = TA 4/
Ws
ergs
0.5
---
Ws
T = +125°C 4/
ergs
0.15
---
Ws
T = +125°C 5/
tp1 = 1.0 ± 0.15 µs;
tp2 = 0.5 ± 0.15 µs;
F = F1 and F7
mW
80
---
po
T = TA 4/
Flat leakage power (2)
4452
mW
150
---
po
T = +125°C 4/
mW
15
---
po
T = +125°C 5/
tp1 = 1.0 ± 0.15 µs;
tp2 = 0.5 ± 0.15 µs;
F = F1 and F7
Conformance inspection,
part 1
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---
---
4006
---
Temperature cycling
-55°C to +125°C 1/
Ignitor ignition time
4401
Ebb = -800 V dc;
t
---
5
sec
Ri = 4.9 MegΩ each ignitor
Ignitor voltage drop
4406
Eid
200
450
V dc
Ii = 100 µA dc on each ignitor
Low-level VSW R
4473
F = F1, F4, and F7
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---
1.2
---
Duplexer loss
4489
F = F4
Li
---
1.1
dB
Spike leakage energy (1)
4452
F = F4
Ws
---
0.3
ergs
Ws
---
T = TA 4/
0.15
ergs
T = +125°C 5/
tp1 = 1.0 ± 0.15 µs;
tp2 = 0.5 ± 0.15 µs
po
---
80
mW
Flat leakage power (1)
4452
F = F4
po
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15
mW
T = TA 4/
T = +125°C 5/
tp1 = 1.0 ± 0.15 µs;
tp2 = 0.5 ± 0.15 µs
See footnotes at end of table.
2
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