Method of adjusting the variable range of oscillation frequency

Details Method of adjusting the variable range of oscillation frequency Method of adjusting the variable range of oscillation frequency

1995-03-28

1998-02-24

Pascal, Robert

Oscillators

Solid state active element oscillator

Transistors

331117D, 331179, 331108C, 331177V, 333235, 333246, H03B 518

Patent

active

057215170

ABSTRACT:
A resonance inductor of a resonant circuit is formed of a chip inductor and an inductance fine adjustment pattern. A resonance capacitor is formed of a plurality of chip layered capacitors connected in parallel to each other via connection patterns formed on a substrate. The connection patterns are sequentially disconnected to adjust the capacitance of the resonance capacitor. Then, the inductance fine adjustment pattern is partially removed to adjust the inductance of the resonance inductor.

REFERENCES:
patent: 3947934 (1976-04-01), Olson
patent: 4035695 (1977-07-01), Knutson et al.
patent: 4658223 (1987-04-01), Marvin et al.
patent: 5087896 (1992-02-01), Wen et al.
Great Britain Search Report dated May 30, 1995.

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