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Wide Range Dynamic Differential Amplifier

IP.com Disclosure Number: IPCOM000042052D
Original Publication Date: 1984-Mar-01
Included in the Prior Art Database: 2005-Feb-03

Publishing Venue

IBM

Related People

Authors:
Lo, TC [+details]

Abstract

A differential amplifier is provided to amplify a small differential signal between input signal Vin and reference signal Vref and produce a pair of complementary high level output signals with a wide range of Vref values. The Wide Range Dynamic Differential Amplifier (WRDDA) shown in the figure consists of three parts: the steering circuit 1, the master flip-flop 3, and the slave flip-flop 5. The operation sequence is as follows: at quiescence, the reset clock øR is on, holding the output pair VO and VO at ground potential. Nodes 7 and 9 are precharged to an equal potential. The input node 11 and the reference node 13 are continually connected to the input terminal Vin and the reference terminal Vref, respectively.