Frequency modulated oscillator having controllable current sourc

Details Frequency modulated oscillator having controllable current sourc Frequency modulated oscillator having controllable current sourc

1992-04-20

1993-03-30

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331177R, 332135, H03B 512, H03C 302

Patent

active

051987848

ABSTRACT:
A frequency modulation oscillator circuit includes an oscillator stage having two emitter-coupled transistor pairs, each being fed from at least one controllable current source, and at least one trigger stage for triggering the controllable current sources for the two transistor pairs.

REFERENCES:
patent: 4055817 (1977-10-01), Watanabe et al.
patent: 4533882 (1985-08-01), Shinbara
patent: 4565978 (1986-01-01), Fenk et al.
patent: 5030927 (1991-07-01), Itoh

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