Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chi Lap Yuen0
Chun Tak Chow0
Ping Wai Li0
Date of Patent
May 12, 2009
Patent Application Number
11774986
Date Filed
July 9, 2007
Patent Primary Examiner
Patent abstract
A biasing circuit adapted for operative coupling to the first input terminal so as to provide a relatively high biasing impedance to ground at the first input terminal, said biasing circuit being adapted to controllably vary the DC-voltage signal which biases the transistor amplifier, whilst at least one component of the biasing circuit is configured to simultaneously form a low-pass circuit for filtering a noise component of the DC-voltage signal before the DC-voltage signal is provided to the first input terminal.
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