Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 18, 2009
Patent Application Number
12071485
Date Filed
February 21, 2008
Patent Primary Examiner
Patent abstract
A preamplifier used in a receiver is provided. The preamplifier comprises an input circuit and an output circuit. The input circuit receives an input differential voltage pair, pulls it down when the common voltage of the input differential voltage pair is higher than a reference voltage. The output circuit receives the input differential voltage pair outputted from the input circuit to pull high or low an output voltage accordingly.
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