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MIL-E-1/83G
GENERAL:
First Article test is required and shall consist of all tests in table I with a sample size of 2 for a lot size less than
or equal to 150 units and a sample size of 4 units for a lot size greater than or equal to 151 units. All samples will
pass conformance inspection part 1 of table I before continuing. Half of the samples shall then be subjected to
conformance inspection part 2, and the remaining samples shall be subjected to part 3, with no test failures permitted
during any testing.
After First Article approval, acceptance testing shall consist of conformance Inspection part 1 of table I with
sample size in accordance with table III, category XVI of MIL-PRF-1.
Reliable tube.
Holding period in accordance with MIL-STD-1311: t = 24 hours.
TABLE I. Testing and inspection.
MIL-STD-1311
Requirement or test
Conditions
Symbol
Units
Limits
Test method
Min
Max
Conformance inspection,
part 1
1201
Short and discontinuity
---
---
---
---
detection
3241
Heater current
If
550
650
mA
A dc
1336
Heater-cathode leakage
Ehk = +25 V dc
Ihk
---
15
A dc
Ehk = -100 V dc
Ihk
---
15
3201
Critical grid voltage for
Epp = 460 V ac;
Ecc1
-2.9
-4.5
V dc
conduction (1)
Rg1 = 0.1 Meg;
Rp = 3,000 ohms
3/ 5/ 6/
3201
Critical grid voltage for
Epp = 460 V ac;
Ecc1
---
-5.2
V dc
conduction (2)
Rg1 = 10 Meg;
Rp = 3,000 ohms
5/ 6/
Ebb
---
38
V dc
3201
Critical anode voltage for
Ecc1 = 0;
conduction (1)
Rg1 = 0.1 Meg;
Rp = 1,000 ohms 5/
Ebb
650
---
V dc
3201
Critical anode voltage for
Ef = 0;
conduction (2)
Ecc1 = -100 V dc;
Rg1 = 0;
Rp = 10,000 ohms
5/ 7/
e = 180 9 v;
1231
Pulse emission
etd
---
76
v
t = 3 sec (max);
Rp; = 10 ohms;
Ra = 15 ohms;
Zm = 7.5 ohms;
prr = 100 5;
calibrating resistor
= 5 ohms
See footnotes at end of table.
TABLE I. Testing and inspection - Continued.
2

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