Improved sigma-delta type analog-to-digital converter and method

Details Improved sigma-delta type analog-to-digital converter and method Improved sigma-delta type analog-to-digital converter and method

1992-12-21

1994-09-06

Young, Brian K.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341143, 341155, H03M 112

Patent

active

053452364

ABSTRACT:
A multiplexed sigma delta analog-to-digital (A/D) converter for low frequency applications has a single oversampling modulator together with a relatively high cutoff lowpass filter together with individual line frequency (50 or 60 Hz) rejection filters for each output channel.

REFERENCES:
patent: 4775851 (1988-10-01), Borth
patent: 4972360 (1990-11-01), Cukier et al.

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