70 GC KLYSTRON FREQUENCY STABILITY AND SPECTRUM
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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Measurements were made of the frequency stability of V-band reflex klystrons while being operated from regulated voltage sources of different stability. A. C. line regulators and two different types of power supplies were used one with a voltage regulation of 0.03, and the other with a voltage regulation of 0.001. Relative frequency stability was determined by mixing the outputs of two klystrons whose frequencies differed by approximately 60 mc. This difference frequency was then amplified, counted on a high frequency counter, and observed on a panoramic receiver.
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