A LINEAR TRANSCONDUCTANCE CELL WITH WIDE TUNING RANGE

A transconductance cell comprising a tunable degeneration circuit having a plurality of field effect transistors connected in series, each of the field effect transistors having a gate configured to receive a tuning voltage, wherein the tunable degeneration circuit further comprises a tapped voltage...

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Bibliographic Details
Main Authors GUDEM, PRASAD, SAHOTA, GURKANWAL KAMAL
Format Patent
LanguageEnglish
French
German
Published 30.05.2007
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Summary:A transconductance cell comprising a tunable degeneration circuit having a plurality of field effect transistors connected in series, each of the field effect transistors having a gate configured to receive a tuning voltage, wherein the tunable degeneration circuit further comprises a tapped voltage divider network configured to apply the tuning voltage to each of the field effect transistors through a different one of the taps, wherein each of said one or more resistors has a value that results in a differential voltage between each adjacent pair of the taps when the tuning voltage is applied to the tapped voltage divider network, the differential voltage being equal to the quiescent drain-to-source voltage of one of the field effect transistors.
Bibliography:Application Number: EP20050796291