Method of pedestal and common-mode noise correction for switched

Details Method of pedestal and common-mode noise correction for switched Method of pedestal and common-mode noise correction for switched

1994-09-30

1996-12-31

Nelms, David C.

Static information storage and retrieval

Analog storage systems

365149, 365206, G11C 2700

Patent

active

055901042

ABSTRACT:
A method and apparatus for correcting common-mode noise and pedestal noise in a multichannel array of switched-capacitor analog memories wherein each analog memory is connected to an associated analog-to-digital converter. The apparatus comprises a single differential element in two different embodiments. In a first embodiment, the differential element is a reference analog memory connected to a buffer. In the second embodiment, the differential element is a reference analog memory connected to a reference analog-to-digital connected to an array of digital summing circuits.

REFERENCES:
patent: 5388064 (1995-02-01), Khan

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