Push-pull microwave oscillator with fundamental and second harmo

Details Push-pull microwave oscillator with fundamental and second harmo Push-pull microwave oscillator with fundamental and second harmo

1982-09-10

1985-07-02

LaRoche, Eugene R.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular frequency control means

331 60, 331 76, 331100, 331114, 331117R, 331117D, 331177V, H03L 700, H03B 2500, H03B 518, H03K 326

Patent

active

045271305

ABSTRACT:
A push-pull microwave oscillator circuit, including two transistors, for producing the second harmonic of a fundamental frequency at a symmetry point of the circuit which is connected to the bases of the transistors through identical arrangements of circuit elements. The circuit includes tuning means coupled to at least one of the transistors, an output and an input. The output, which is utilized to provide to a phase comparison means an output signal at the fundamental of the second harmonic frequency, is coupled to the base of at least one of the transistors by a capacitive impedance. The input, which is utilized to receive a tuning signal produced by the phase comparison means in response to the output signal, is coupled to the tuning means.

REFERENCES:
patent: 3939429 (1976-02-01), Lohn et al.
patent: 4360790 (1982-11-01), Heise

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