Voltage-controlled oscillator having a semiconductor integrated

Details Voltage-controlled oscillator having a semiconductor integrated Voltage-controlled oscillator having a semiconductor integrated

1997-01-21

1998-04-28

Mis, David

Oscillators

With outer casing or housing

331108D, 331116FE, 331158, 331177V, H03B 536, H01L 41053

Patent

active

057450129

ABSTRACT:
A voltage-controlled oscillator is provided having a semiconductor integrated circuit and a piezoelectric resonator. A variable-capacitance diode may be connected in series with the piezoelectric resonator. The variable-capacitance diode may be further mounted a land of a lead frame. The piezoelectric resonator, variable-capacitance diode and lead frame may be resin molded into a single unit. In operation, a signal may be applied to a node located between the variable-capacitance diode and the DC-cutting capacitor.

REFERENCES:
patent: 4827226 (1989-05-01), Connell
patent: 4916413 (1990-04-01), Nakayama et al.
patent: 5030926 (1991-07-01), Walden
patent: 5229640 (1993-07-01), Pak
patent: 5302921 (1994-04-01), Shigemori et al.
patent: 5392006 (1995-02-01), Ikeda et al.
patent: 5592130 (1997-01-01), Ikeda et al.

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