Digital-to-analog noise generator

Details Digital-to-analog noise generator Digital-to-analog noise generator

1976-11-01

1977-11-01

Kominski, John

Oscillators

Electrical noise or random wave generator

325132, 343 18E, H03B 2900

Patent

active

040567885

ABSTRACT:
A noise generator that is responsive to digital noise quality and noise modulation input signals to provide a controller noise signal to a voltage controlled oscillator. The noise generator adds a center frequency input signal, a weighted random noise signal, and a weighted wobbulated waveform signal to obtain a controlled digital noise signal and converts this noise signal from digital form to analog form to provide a noise generator output signal that controls the voltage controlled oscillator. The center frequency and modulation of the noise generator output signal spectrum are determined by the center frequency and weighted wobbulated waveform signals, respectively, and the range of the output signal spectrum is determined by the weighting of the random noise signal. A ramp input signal, which is converted from digital to analog form, is integrated and added to the noise generator output signal to further define the quality and range of the output signal spectrum.

REFERENCES:
patent: 3114148 (1963-12-01), Lederman
patent: 3670333 (1972-06-01), Winn

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