Reference voltage regulation apparatus for an automatic gain con

Details Reference voltage regulation apparatus for an automatic gain con Reference voltage regulation apparatus for an automatic gain con

1989-03-03

1991-03-05

Pellinen, A. D.

Coded data generation or conversion

Analog to or from digital conversion

Nonlinear

341118, H03M 100

Patent

active

049981064

ABSTRACT:
An automatic gain control system for controlling a gain of an A/D converter automatically by controlling reference voltages of said A/D converter at the time of analog-to-digital conversion of a signal which signal being clamped by a clamp circuit to a clamp level which is set to a center level before entering said A/D converter, comprising a clamp level control circuit for detecting the clamp level from an output of said A/D converter to control the clamp level; a first A/D converter for digital-to-analog converting an output of said clamp level control circuit; an automatic clamp level control system.

REFERENCES:
patent: 4016557 (1977-04-01), Zitelli et al.
patent: 4549165 (1985-10-01), Brian

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