Oscillator with reduced harmonics

Details Oscillator with reduced harmonics Oscillator with reduced harmonics

1988-09-09

1989-09-05

Mis, David

Oscillators

Solid state active element oscillator

Transistors

331 74, 331105, 331158, H03B 104, H03B 536

Patent

active

048642568

ABSTRACT:
An oscillator for producing an oscillating signal with reduced harmonics includes an oscillator stage coupled to an output stage having a relatively fast switching speed yet producing an oscillating signal having relatively slow rise and fall times so that the harmonics output by the oscillator are reduced. In one embodiment, the oscillator includes an output stage having low power Schottky circuitry, and in a second embodiment, the output stage includes a capacitor connected across the output stage of the oscillator to increase the rise and fall times of the oscillator.

REFERENCES:
patent: 3958190 (1976-05-01), Minch
patent: 4039973 (1977-08-01), Yamashiro
patent: 4211985 (1980-07-01), Yamashiro
patent: 4376918 (1983-03-01), Masuda et al.
patent: 4378532 (1983-03-01), Burgoon
patent: 4383224 (1983-05-01), Saari
patent: 4387349 (1983-06-01), Rapp
patent: 4521699 (1985-06-01), Wilson
patent: 4571558 (1986-02-01), Gay et al.
patent: 4578650 (1986-03-01), Watson
patent: 4587497 (1986-05-01), Keller et al.

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