PROTECTION CIRCUIT OF POWER AMPLIFICATION CIRCUIT AND POWER AMPLIFICATION CIRCUIT USING THE SAME

A protection circuit of a power amplifier includes a first current mirror configured to supply a current mirrored to a first reference current as a bias current of a driver amplifier; and a current sink configured to adjust a bias current of the driver amplifier by sinking the first reference curren...

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Bibliographic Details
Main Authors KIM Jeong Hoon, HONG Kyung Hee, HWANG Hyeon Seok
Format Patent
LanguageEnglish
Published 26.01.2017
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Summary:A protection circuit of a power amplifier includes a first current mirror configured to supply a current mirrored to a first reference current as a bias current of a driver amplifier; and a current sink configured to adjust a bias current of the driver amplifier by sinking the first reference current according to a magnitude of a voltage output from the power amplifier.
Bibliography:Application Number: US201615052247