专利名称:Increasing the linearity of a
transconductance cell
发明人:Peter Capofreddi,Arvin Ramesh
Shahani,Derek Shaeffer,Korhan Titizer
申请号:US11134684申请日:20050519
公开号:US200602614A1公开日:20061123
专利附图:
摘要:A transconductance cell is disclosed that includes a first transistor and a secondtransistor. A regulator regulates an average voltage in response to a reference voltage,
where the average voltage corresponds to the average of a voltage at a bias terminal ofthe first transistor and a voltage at a bias terminal of the second transistor. A mixerincluding the transconductance cell is also disclosed. In the mixer, the transconductancecell receives a differential input voltage and produces a differential output current. Themixer also includes one or more switches that multiply the differential output currentwith an oscillator signal. A method is disclosed that includes measuring an averagevoltage of a voltage at a bias terminal of a first transistor and a voltage at a bias terminalof a second transistor and regulating the average voltage responsive to the measuredaverage voltage and a reference voltage.
申请人:Peter Capofreddi,Arvin Ramesh Shahani,Derek Shaeffer,Korhan Titizer
地址:San Francisco CA US,Menlo Park CA US,Redwood City CA US,Saratoga CA US
国籍:US,US,US,US
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