Low distortion oscillator

Details Low distortion oscillator Low distortion oscillator

1986-11-18

1989-01-03

LaRoche, Eugene R.

Oscillators

Phase shift type

331183, H03B 520

Patent

active

047959886

ABSTRACT:
A DC voltage is synthesized from a combination of a plurality of N phases of an oscillator signal. A diode circuit is used to combine the N phases, and a relationship between components of the circuit is established to eliminate the Nth harmonic of the oscillator signal from the synthesized DC voltage. Provision of non-zero input series resistances for four diodes together with a non-zero summing output resistance therefor provides a DC voltage having no harmonics below the eighth harmonic for a double-integrating oscillator providing four equally displaced phases of a signal.

REFERENCES:
patent: 4560958 (1985-12-01), Hofer

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