A/D conversion device with dynamic input control

Details A/D conversion device with dynamic input control A/D conversion device with dynamic input control

1997-10-23

1999-05-25

Hoff, Marc S.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341120, H03M 110

Patent

active

059073004

ABSTRACT:
The invention relates to an A/D conversion device having an amplifier (A) which receives an analog input signal (Vin), in which device the voltage from the A/D conversion of the input signal (Vin) is maintained constant by means of a regulation module (CMP1, IS), controlling the voltage which is present at the terminals of a storage capacitor (Cs). According to the invention, such a device controls the average DC component of the input signal (Vin) in the purpose of limiting the amplitude of the variations of said signal (Vin), which variations might lead to a saturation of the amplifier (A).

REFERENCES:
patent: 3708742 (1973-01-01), Gunn
patent: 5103230 (1992-04-01), Kalthoff et al.
patent: 5754414 (1998-05-01), Hanington
patent: 5825166 (1998-10-01), Tso et al.

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