H - Electricity – 03 – B
Patent
H - Electricity
03
B
331/34
H03B 5/00 (2006.01) H03B 19/00 (2006.01) H03B 21/00 (2006.01) H03C 3/09 (2006.01) H03L 7/06 (2006.01)
Patent
CA 1086838
FREQUENCY STABILIZED MICROWAVE SIGNAL SOURCE by Volker B. Weise ABSTRACT OF DISCLOSURE The frequency of a microwave oscillator is stabilized by coupling a portion of the RF signal therefrom to an HF oscillator operating at a sub-multiple of the microwave frequency and producing a strong harmonic at the microwave frequency in order to cause the operation of the microwave and HF oscillators to be locked together. The HF signal frequency, which includes any drift in the micro- wave oscillator frequency, is divided down a specified amount and compared with the frequency of a stable crystal reference oscillator in a comparator. The output of the comparator is a DC error voltage which is proportional to any drift in the frequency of the microwave oscillator. This error voltage is applied to the microwave oscillator to cause the operating frequency thereof to be more nearly constant.
123226
Gte Automatic Electric Laboratories Incorporated
R. William Wray & Associates
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