Selective loading for sideband noise ratio reduction of a voltag

Details Selective loading for sideband noise ratio reduction of a voltag Selective loading for sideband noise ratio reduction of a voltag

1998-01-30

1999-08-10

Kinkead, Arnold

Oscillators

Solid state active element oscillator

Transistors

331177V, 331175, 331185, 455256, 455264, H03B 512

Patent

active

059364807

ABSTRACT:
A voltage controlled oscillator (1) comprising a voltage controllable variable resonant circuit (2) having a control input (Vctrl), a positive feedback input (6) and a controllable variable frequency output (7). There is an amplifier (3) having an amplifier input coupled to the controllable variable frequency output (7). A positive feedback path (4) couples the amplifier (3) to the positive feedback input (6) and there is selectable load (5) in parallel with the positive feedback path (4) for selectively reducing the SideBand Noise Ratio.

REFERENCES:
patent: 4593257 (1986-06-01), Wignot

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