Switching arrangement for the transformation of digital angles i

Details Switching arrangement for the transformation of digital angles i Switching arrangement for the transformation of digital angles i

1974-12-02

1976-08-10

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347SY, H03K 1304

Patent

active

039744981

ABSTRACT:
A switching arrangement for generating sine and/or cosine function analog outputs in response to input digitally coded angle values where a correspondingly coded digital to analog converter is compensated by means of a correction circuit comprising a resistance network controlled by switches responsive to the input angle. Preferably the correction circuit is interposed between a constant voltage source and the converter so that the reference voltage supplied to the converter is precompensated to achieve sine and cosine output values of a desired precision.

REFERENCES:
patent: 3241133 (1966-03-01), Herzl
patent: 3277464 (1966-10-01), Naydan
patent: 3675234 (1972-07-01), Metz
patent: 3728719 (1973-04-01), Fish
patent: 3831168 (1974-08-01), Gronner

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