Oscillator circuit employing quadrature networks for maintaining

Details Oscillator circuit employing quadrature networks for maintaining Oscillator circuit employing quadrature networks for maintaining

1991-10-18

1993-03-23

Grimm, Siegfried H.

Oscillators

Phase shift type

331107A, 331177R, H03B 502

Patent

active

051968118

ABSTRACT:
A coupled resonator filter oscillator having an impedance matching network coupled between an amplifier and a filter. The impedance value of the amplifier varies due to amplifier gain compression. The network maintains a constant impedance to the filter when said amplifier's impedance changes to preserve the filter's original transfer function.

REFERENCES:
patent: 4581592 (1986-04-01), Bennett
Neylon, "Hybrid SAW Oscillators" Microwave Journal, vol. 25, No. 2, Feb. 1982.

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