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Ping-pong auto-zero amplifier with glitch reduction

United States Patent

January 22, 2008
View the Complete Patent at the US Patent & Trademark Office
A ping-pong amplifier with reduced glitching is described. The ping-pong amplifier includes a nulling amplifier coupled to a switching network. The switching network is used to auto-zero a ping amplifier within a ping-pong amplifier. The nulling amplifier drives the output of a ping amplifier to a proper output voltage level during auto-zeroing of the ping amplifier. By being at a proper output voltage level, glitches associated with transitioning between a ping amplifier and a pong amplifier are reduced or eliminated.
Larson; Mark R. (Maple Grove, MN)
Honeywell International, Inc. (Morristown, NJ)
11/ 369,384
March 7, 2006
GOVERNMENT RIGHTS The United States Government has acquired certain rights in this invention pursuant to Contract No. DE-FC26-03NT41834 with the Department of Energy.