Anti-pop method and apparatus for class AB amplifiers

A method for actuating an amplifier to generally eliminate a pop is provided. Accordingly, a plurality of current sources is actuated in an input stage, and a plurality of bias voltages are applied to the input stage. After a predetermined period after the step of applying a plurality of bias voltag...

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Bibliographic Details
Main Author HELLUMS JAMES R
Format Patent
LanguageEnglish
Published 17.08.2010
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Summary:A method for actuating an amplifier to generally eliminate a pop is provided. Accordingly, a plurality of current sources is actuated in an input stage, and a plurality of bias voltages are applied to the input stage. After a predetermined period after the step of applying a plurality of bias voltages to the input stage and the step of actuating a plurality of current sources in an input stage, a control circuit is actuated, and a transistor within a control amplifier stage is turned on at a predetermined rate.
Bibliography:Application Number: US20090357221