MIL-PRF-1/745H
TABLE I. Testing and inspection - Continued.
1/
Test tube with test cavity as specified on Drawing 166-JAN. Frequency approximately 3,000 MHz. Adjust Er for maximum Po at
each life-test reading. Adjust matching network for maximum Po.
2/
W ater-immersion test omitted. Torque shall be applied between upper disk (g3) and molded portion of base and shall be 20 inch-
pounds.
3/
Static test; tube not oscillating.
4/
Test tube with 2,140 MHz test cavity as specified on Drawing 166-JAN. Tube operated in N = 2 mode (2.75 cycles for complete
transit). Adjust Er for maximum Po. Adjust matching network for maximum Po.
5/
Reduce Ef to 5.7 V while tube is oscillating. The percentage dropoff in cathode emission shall not exceed limit shown.
6/
Test tube with 4,290 MHz test cavity as specified on Drawing 166-JAN. Tube operated in N = 2 mode (2.75 cycles for complete
transit). Adjust Er for maximum Po. Adjust matching network for maximum Po.
7/
Changes from previous issue. Revision letters are not used in this revision to identify changes with respect to the previous issue,
due to the extensiveness of the changes.
3
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