Multiphase output oscillator

Details Multiphase output oscillator Multiphase output oscillator

1995-06-02

1997-01-07

Pascal, Robert

Oscillators

Polyphase output

331 2, 331 46, 331 50, 331 55, 331172, 331 57, H03B 500, H03B 2700

Patent

active

055921264

ABSTRACT:
In a multiphase output oscillator a number of serially coupled oscillator circuits is organized in a loop. Each particular oscillator circuit is coupled to its serial successor in the loop, to provide adjustment of the phase of an oscillation signal of the successor oscillator circuit dependent upon a difference between the phase of the oscillation signal in the successor and the phase of an oscillation signal in the particular oscillator circuit. None of the oscillator circuits will oscillate freely: as each oscillator will adjust its successor all the way around the loop. Indirectly, each oscillator circuit thus influences all of the other oscillator circuits and ultimately over itself. The multiphase output oscillator as a whole will oscillate in a collective mode of oscillation wherein all oscillator circuits oscillate at the same frequency. Successive oscillator circuits along the loop will oscillate at respective fractions of the full oscillation period delayed from each other. These fractions will add up to an integer multiple of periods. The frequency of oscillation is substantially independent of the fractions and may be nearly the maximum attainable frequency of the individual oscillator circuits.

REFERENCES:
patent: 3480883 (1969-11-01), Gaunt, Jr.
patent: 3539938 (1970-11-01), Heimbigner
patent: 3662277 (1972-05-01), White
patent: 4105950 (1978-08-01), Dingwall
patent: 4879530 (1989-11-01), Wilhelm et al.
patent: 4884041 (1989-11-01), Walker

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