Amplifiers – Signal feedback – Combined with control of bias voltage of signal amplifier
Patent
1977-07-05
1978-10-17
Heyman, John S.
Amplifiers
Signal feedback
Combined with control of bias voltage of signal amplifier
328167, 330 56, 331 77, 333 70R, H03B 1900
Patent
active
041211634
ABSTRACT:
A microwave signal generator having improved noise spectral characteristics employs a plurality of amplifier-frequency multiplier circuits in combination with a very stable VHF oscillator. Instead of lumping the amplification and frequency multiplication together, each in a single stage, a plurality of amplifiers and multipliers are interleaved, as described herein, resulting in reduced FM noise generation.
REFERENCES:
patent: 3231828 (1966-01-01), Craft
patent: 3628163 (1971-12-01), Heibel
patent: 4011466 (1977-03-01), Pearlman et al.
The Radio Amateur's Handbook, copyright 1971, Fig. 17-7, p. 436, 48th Ed.
Gilbert Douglas M.
GTE Lenkurt Electric (Canada) Ltd.
Heyman John S.
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