Transconductance shifted differential difference amplifier
Reducing noise for an amplifier-based system circuit that comprises a first differential input pair and a second differential input pair, a first input stage circuit connected to the first differential input pair, wherein the first input stage is configured with a first transconductance value, a second input stage circuit connected to the second differential input pair, wherein the second input stage is configured with a second transconductance value that is less than the first transconductance value, a transimpedance circuit coupled to the first input stage circuit and the second input stage circuit, and a feedback loop circuit coupled to the transimpedance circuit and to the second differential input pair, wherein the feedback loop circuit is not connected to the first differential input pair.
Texas Instruments Incorporated
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Sudhir Michael Edwin Seung Bae
Nagaraj Butenhoff Lee