Charge summing digital to analog converter

Details Charge summing digital to analog converter Charge summing digital to analog converter

1992-10-30

1995-03-21

Young, Brian K.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341144, H03M 166

Patent

active

054000289

ABSTRACT:
A D/A converter which develops the analog output by summing binary-weighted packets of electrical charge. Charge metering techniques are used to generate and sum the charge packets. It is particularly suited to application in the data line driver circuits of thin-film transistor liquid crystal displays. Various embodiments use single or multiple charge packet generators, and the multiple version may generate the packets for the various bits simultaneously, For the highest speed, or else sequentially, for the largest voltage dynamic range.

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