MIL-PRF-1/208G
TABLE I. Testing and Inspection - Continued.
8.
On evidence of satisfactory conformance, the inspector may limit this test to 10 tubes per month when the tube
is in continuous production.
The tube shall be mounted in a cavity as shown on Drawing 142-JAN and tuned to 3,160 MHz ± 1 percent.
9.
The tube and cavity shall be vibrated in the direction of the keep-alive axis for 12 hours with an amplitude of
motion of 0.040 inch. After this test, the tuning shall have changed not more than 1 MHz from its initial
value, and the tube shall satisfy all other electrical tests of this specification.
10. The entire tube shall be immersed for the purpose of testing the glass portions of the tube.
11. No tube shall require more than 50 µA dc ignitor current to prevent relaxation oscillation of the ignitor current.
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