Low-noise push-pull crystal oscillator

Details Low-noise push-pull crystal oscillator Low-noise push-pull crystal oscillator

1994-03-21

1995-06-06

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331 75, 331114, 331177V, H03B 536

Patent

active

054226058

ABSTRACT:
A low phase noise oscillator 10 having a balanced feedback transformer 24 and a push-pull resonant circuit 12 for generating an oscillation excitation signal. The resonant circuit 12 is loaded by an output buffer 20 connected between first and second feedback terminals 16 and 18. The feedback transformer 24 provides first and second feedback paths of opposite phase polarity which link the resonant circuit 12 with the first and second feedback terminals 16 and 18.

REFERENCES:
patent: 3299371 (1967-01-01), Ryan
patent: 3839685 (1974-10-01), Borsa et al.
patent: 5010308 (1991-04-01), Cowley
patent: 5063359 (1991-11-01), Leonowich
patent: 5081430 (1992-01-01), Kohsiek

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