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US Patent Application 20080309409 - Balanced differential cross-coupled transconductance amplifier for a multiplexor

Application 20080309409 Filed on June 15, 2007. Published on December 18, 2008

Inventors

US Classes

330/253, Having field effect transistor330/260Having signal feedback means

Attorney, Agent or Firm

International Class

H03F 3/45

Issued Patent Number:

7583146


Abstract text


A balanced, differential, cross-coupled amplifier including an input stage for receiving a differential input and including an input transconductance differential pair and a feedback transconductance differential pair; and an output stage responsive to the input stage for providing a differential output; the differential input being connected to one input of the input transconductance differential pair and one input of the feedback transconductance differential pair, the differential output being fed back to one input of the input transconductance differential pair and one input of the feedback transconductance differential pair for balancing the currents in the transconductance differential pairs over the input range.

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