Voltage controlled balanced crystal oscillator circuit

Details Voltage controlled balanced crystal oscillator circuit Voltage controlled balanced crystal oscillator circuit

1990-07-10

1991-07-09

Mis, David

Oscillators

Solid state active element oscillator

Transistors

331158, 331177V, 331DIG3, H03B 536

Patent

active

050309269

ABSTRACT:
A voltage controlled crystal oscillator circuit, such as a Pierce oscillator circuit, includes an amplifier and is balanced by the addition of another varactor connected directly to the amplifier, whereby the frequency pull range is increased. Further, greater linearity can be achieved by adding another pair of varactors to the circuit.

REFERENCES:
patent: Re31523 (1984-02-01), Baker
patent: 3995233 (1976-11-01), Waku
patent: 4122404 (1978-10-01), Fuhrman
patent: 4827226 (1989-05-01), Connell

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