KR20220126023A - 전력 증폭기로부터의 불요 신호를 감소시키기 위한 회로 및 이를 포함하는 전자 장치 - Google Patents

전력 증폭기로부터의 불요 신호를 감소시키기 위한 회로 및 이를 포함하는 전자 장치 Download PDF

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Publication number
KR20220126023A
KR20220126023A KR1020210030074A KR20210030074A KR20220126023A KR 20220126023 A KR20220126023 A KR 20220126023A KR 1020210030074 A KR1020210030074 A KR 1020210030074A KR 20210030074 A KR20210030074 A KR 20210030074A KR 20220126023 A KR20220126023 A KR 20220126023A
Authority
KR
South Korea
Prior art keywords
signal
amplifier
coupler
coupled
electronic device
Prior art date
Application number
KR1020210030074A
Other languages
English (en)
Korean (ko)
Inventor
양재진
김정준
진윤수
최현석
Original Assignee
삼성전자주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR1020210030074A priority Critical patent/KR20220126023A/ko
Priority to PCT/KR2022/003166 priority patent/WO2022191536A1/fr
Publication of KR20220126023A publication Critical patent/KR20220126023A/ko

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/191—Tuned amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/141—Indexing scheme relating to amplifiers the feedback circuit of the amplifier stage comprising a resistor and a capacitor in series, at least one of them being an active one
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/381—An active variable resistor, e.g. controlled transistor, being coupled in the output circuit of an amplifier to control the output

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
KR1020210030074A 2021-03-08 2021-03-08 전력 증폭기로부터의 불요 신호를 감소시키기 위한 회로 및 이를 포함하는 전자 장치 KR20220126023A (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020210030074A KR20220126023A (ko) 2021-03-08 2021-03-08 전력 증폭기로부터의 불요 신호를 감소시키기 위한 회로 및 이를 포함하는 전자 장치
PCT/KR2022/003166 WO2022191536A1 (fr) 2021-03-08 2022-03-07 Circuit pour réduire un signal parasite provenant d'un amplificateur de puissance, et dispositif électronique le comprenant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020210030074A KR20220126023A (ko) 2021-03-08 2021-03-08 전력 증폭기로부터의 불요 신호를 감소시키기 위한 회로 및 이를 포함하는 전자 장치

Publications (1)

Publication Number Publication Date
KR20220126023A true KR20220126023A (ko) 2022-09-15

Family

ID=83228029

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020210030074A KR20220126023A (ko) 2021-03-08 2021-03-08 전력 증폭기로부터의 불요 신호를 감소시키기 위한 회로 및 이를 포함하는 전자 장치

Country Status (2)

Country Link
KR (1) KR20220126023A (fr)
WO (1) WO2022191536A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060032933A (ko) * 2004-10-13 2006-04-18 주식회사 이트로닉스 전력제한 저잡음증폭기장치
KR20060088956A (ko) * 2005-02-02 2006-08-07 엘지이노텍 주식회사 전력 증폭 모듈
KR101102666B1 (ko) * 2009-10-07 2012-01-05 엘지이노텍 주식회사 와이브로 단말의 송신 장치
KR101100692B1 (ko) * 2010-10-19 2012-01-03 (주)알윈 저잡음 상쇄 증폭기 및 저잡음 상쇄 증폭 방법.
KR102217515B1 (ko) * 2019-05-20 2021-02-19 한화시스템 주식회사 고출력 전력 증폭기 및 그 제어 방법

Also Published As

Publication number Publication date
WO2022191536A1 (fr) 2022-09-15

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