MIL-PRF-1/383E
NOTES: - Continued.
10. The frequency shall be measured at the extremes of the specified temperature range. The anode temperature shall
be measured at the point shown on figure 1.
11. Starting at 5450 MHz the frequency will be increased in 75 MHz increments after each 200 hours (approximately) of
total cycle operation.
12. The time of fall of current (tfc) is measured from the zero to 85 percent level of the trailing edge of the current pulse.
13. The ratings have been divided into two groups as follows:
a. Independent (ratings which may be obtained simultaneously).
b. Dependent (ratings which are interrelated and may not necessarily be obtained simultaneously).
14. To relate the various parameters, the following formula shall be used:
Pi = ib x Du x 21500
15. In handling and mounting the magnetron, care shall be exercised to prevent demagnetization.
16. This test shall be performed at the conclusion of the holding period.
17. The requirement shall be met with the heater voltage at plus 10 percent and minus 10 percent from the voltage
specified for test.
18. Test cycles shall be as follows:
Condition
Ib
Ef
Duration
Standby
0A
13.5 v
3.0 Min. (Max)
Osc. (2)
18.7
13.0
50 Min. (Min)
Off
0
0
7.0 Min. (Min)
19. This specification sheet uses accept on zero defect sampling in accordance with MIL-PRF-1, table III.
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