Sample isolation in integrating analog-to-digital converters

Details Sample isolation in integrating analog-to-digital converters Sample isolation in integrating analog-to-digital converters

1986-03-04

1987-11-17

Sloyan, T. J.

Communications: electrical

Audible indication

Percussion-type sound producer

324 78D, 324 99D, 340347AD, 340347CC, 340347M, H03M 152

Patent

active

047076801

ABSTRACT:
To eliminate crosstalk between successive measurements of an integrating analog-to-digital converter having MOS linear amplifiers (16) that as a result of ion distribution shift in its input devices gate oxide (24) tends to retain a conversion residue (R), at least one "dummy" conversion cycle (38) is executed prior to each input signal measurement. The "dummy" conversion cycle (38) reduces the residue (R) by moving input gate ions into stable positions corresponding to the magnitude of the input signal to be next measured.

REFERENCES:
patent: 4090192 (1978-05-01), Shuttleworth
patent: 4556867 (1985-12-01), George

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