VCO having adjustment for fluctuations in relation between contr

Details VCO having adjustment for fluctuations in relation between contr VCO having adjustment for fluctuations in relation between contr

1995-06-07

1997-02-04

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular frequency control means

331177V, 332124, 332127, 332136, H03C 322, H03L 7099

Patent

active

056002793

ABSTRACT:
A VCO circuit has a voltage variable capacitance CVD2 connected in series with or in parallel to a condenser C3 connected in series with an inductance L1, which constitutes a resonator of the VCO circuit. An adjustment voltage VD2 is applied to a cathode of the voltage variable capacitance CVD2, such that the relation between a control voltage VD1 and an oscillation frequency f0 of the VCO circuit is electrically adjusted to improve the fabrication yield.

REFERENCES:
patent: 4392113 (1983-07-01), Jackson
patent: 4494090 (1985-01-01), Popek et al.
patent: 4736169 (1988-04-01), Weaver et al.
patent: 5254958 (1993-10-01), Flach et al.
patent: 5379003 (1995-01-01), Bizen

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