Sinusoidal waveform generator

Details Sinusoidal waveform generator Sinusoidal waveform generator

1975-11-19

1976-11-30

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328 13, 307216, 307261, H03B 100, H03K 500

Patent

active

039952223

ABSTRACT:
In obtaining a sinusoidal waveform signal of a predetermined frequency, a rectangular waveform signal having a frequency four times higher than the pedetermined frequency of the sinusoidal waveform signal is provided and then subjected to frequency divisions of 1/2 and 1/4 through the use of a couple of binary counters. While the original rectangular waveform signal and the 1/2 frequency divided rectangular waveform signal are both passed through an EXCLUSIVE OR circuit, the 1/2 frequency divided and 1/4 frequency divided rectangular waveform signals are passed through another EXCLUSIVE OR circuit. Both of the outputs of the EXCLUSIVE OR circuits are added to develop a desired step waveform signal, after being evaluated at different weights. The generation of the predetermined sinusoidal waveform signal is achieved by filtering the thus obtained step waveform signal.

REFERENCES:
patent: 3223925 (1965-12-01), Florac, Jr.
patent: 3649923 (1972-03-01), Venturini
patent: 3863158 (1975-01-01), Kupersmith et al.

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