DOHERTY POWER AMPLIFIER

According to one aspect of the present invention, a Doherty power amplifier includes: a power distributor distributing an input signal as a first distribution signal and a second distribution signal; a carrier amplifier amplifying the first distribution signal; and a peaking amplifier amplifying the...

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Bibliographic Details
Main Authors KIM, KI CHUL, HONG, SONG CHEOL, KIM, GYU SUCK
Format Patent
LanguageEnglish
Korean
Published 08.12.2016
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Summary:According to one aspect of the present invention, a Doherty power amplifier includes: a power distributor distributing an input signal as a first distribution signal and a second distribution signal; a carrier amplifier amplifying the first distribution signal; and a peaking amplifier amplifying the second distribution signal. The power distributor can distribute the first distribution signal and the second distribution signal at a different ratio according to the power of the input signal. 본 발명의 일 기술적 측면에 따른 도허티 전력 증폭기는, 입력 신호를 제1 분배 신호와 제2 분배 신호로 분배하는 전력 분배기, 상기 제1 분배 신호를 증폭하는 캐리어 증폭기 및 상기 제2 분배 신호를 증폭하는 피킹 증폭기를 포함한다. 상기 전력 분배기는 입력 신호의 파워에 따라 제1 분배 신호와 제2 분배 신호의 비율이 다르도록 분배할 수 있다.
Bibliography:Application Number: KR20150076637