Analogue to digital converter channels

Details Analogue to digital converter channels Analogue to digital converter channels

1979-05-30

1982-03-23

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

324130, H03K 1302

Patent

active

043215831

ABSTRACT:
This is an analogue to digital converter channel including an analogue multiplexer, a switched gain amplifier, a mode amplifier, a sample and hold stage, and an analogue to digital converter. Off-set errors can be precalculated and then corrected for by switching the input to the amplifiers to null, and storing the output from the converter, and the amplified output from the gain amplifier respectively at `X` and `Y` and then combining those stored off-set error signals at an adding circuit at the input to the converter during a subsequent analogue to digital conversion.

REFERENCES:
patent: 3070786 (1962-12-01), MacIntyre
patent: 3145376 (1964-08-01), Currie
patent: 3148366 (1964-09-01), Schulz
patent: 3491295 (1970-01-01), Van Saun
patent: 3889255 (1975-06-01), Pettersen

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