Circuit arrangement for converting an analog AC voltage signal t

Details Circuit arrangement for converting an analog AC voltage signal t Circuit arrangement for converting an analog AC voltage signal t

1982-07-02

1985-06-18

Sloyan, T. J.

Communications: electrical

Audible indication

Percussion-type sound producer

340347AD, 340347M, 375 19, H03K 1302

Patent

active

045243468

ABSTRACT:
Analog AC to digital signal converter includes a sampling circuit which cyclically samples the analog AC signal to form analog sampling values, and an analog-digital converter for converting the analog sampling values to digital sampling values. A sign integrator integrates the sign of the digital sampling values, and a compensating voltage generator generates a compensating voltage in dependence upon the integration result. A combination circuit combines the compensating voltage with the analog sampling value from the sampling means and applies the combination result to the analog-digital converter. The circuit compensates any DC voltage component contained in the analog AC signal and avoids interferences resulting from such DC voltage component.

REFERENCES:
patent: 3495238 (1970-02-01), Gabriel
patent: 3654560 (1972-04-01), Cath et al.
patent: 3740532 (1973-06-01), Esch
patent: 4097860 (1978-06-01), Araseki et al.

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