KR960027250A - 초고주파 모노리식 저잡음 증폭기 - Google Patents

초고주파 모노리식 저잡음 증폭기 Download PDF

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Publication number
KR960027250A
KR960027250A KR1019940035166A KR19940035166A KR960027250A KR 960027250 A KR960027250 A KR 960027250A KR 1019940035166 A KR1019940035166 A KR 1019940035166A KR 19940035166 A KR19940035166 A KR 19940035166A KR 960027250 A KR960027250 A KR 960027250A
Authority
KR
South Korea
Prior art keywords
low noise
noise amplifier
high frequency
mesfet
ultra high
Prior art date
Application number
KR1019940035166A
Other languages
English (en)
Other versions
KR0129843B1 (ko
Inventor
황인갑
김민건
김충환
이창석
박형무
Original Assignee
양승택
재단법인 한국전자통신연구소
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 양승택, 재단법인 한국전자통신연구소 filed Critical 양승택
Priority to KR1019940035166A priority Critical patent/KR0129843B1/ko
Priority to US08/567,576 priority patent/US5642080A/en
Publication of KR960027250A publication Critical patent/KR960027250A/ko
Application granted granted Critical
Publication of KR0129843B1 publication Critical patent/KR0129843B1/ko

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Classifications

    • 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
    • H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • 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
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • H03F3/1935—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices with junction-FET devices
    • 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
    • H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
    • 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
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microwave Amplifiers (AREA)
  • Amplifiers (AREA)

Abstract

커패시터들(101,102)와 인덕터(103)로 이루어지는 입력정합부에, 이에 캐스케이드로 연결된 두개의 MESFET들(104,113)과, 커패시터(117)로 이루어지는 출력정합부를 잦는 저잡음 증폭기에서, 접지를 한개의 노드로 묶고 본딩 와이어 (120)를 이용하여 외부로 연결할 경우 저하되는 안정도를 개선하기 위하여 두개의 MESFET들(104,113) 사이에 커패시터(110)를 병렬로 연결한다.

Description

초고주파 모노리식 저잡음 증폭기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명의 저잡음 증폭기의 회로도, 제3A도는 제2도에서 선 A로 절단할 경우, MESFET 113의 출력 임피던스를 나타낸 도면.

Claims (2)

  1. 입력정합부와; 상기 입력정합부에 캐스케이드로 연결된 제1및 제2 MESFET들(104,113)과, 상기 제2MESFET(113)에 연결되는 출력정합부와 ; 상기 제1 MESFET(104)와 상기 제2MESFET(113) 사이에 연결되고, 접지를 하나 또는 그 이상의 노드로 묶어서 외부로 연결할 때 와이어 본딩 인덕턴스로 인한 안정도의 저하를 방지하는 안정화 수단을 포함하는 초고주파 모노리식 저잡음 증폭기.
  2. 제1항에 있어서, 상기 안정화 수단은 상기 제1MESFET(104)와 제2MESFET(113) 사이에 병렬로 연결되는 커패시터(110)를 포함하는 초고주파 모노리식 저잡음 증폭기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940035166A 1994-12-19 1994-12-19 초고주파 모노리식 저잡음 증폭기 KR0129843B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019940035166A KR0129843B1 (ko) 1994-12-19 1994-12-19 초고주파 모노리식 저잡음 증폭기
US08/567,576 US5642080A (en) 1994-12-19 1995-12-05 Low noise amplifier in monolithic integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940035166A KR0129843B1 (ko) 1994-12-19 1994-12-19 초고주파 모노리식 저잡음 증폭기

Publications (2)

Publication Number Publication Date
KR960027250A true KR960027250A (ko) 1996-07-22
KR0129843B1 KR0129843B1 (ko) 1998-10-01

Family

ID=19402288

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940035166A KR0129843B1 (ko) 1994-12-19 1994-12-19 초고주파 모노리식 저잡음 증폭기

Country Status (2)

Country Link
US (1) US5642080A (ko)
KR (1) KR0129843B1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3175823B2 (ja) * 1998-04-24 2001-06-11 日本電気株式会社 高周波増幅装置
JP2000174513A (ja) * 1998-12-07 2000-06-23 Mitsubishi Electric Corp マイクロ波増幅器
KR20010106454A (ko) * 1999-06-30 2001-11-29 다니구찌 이찌로오, 기타오카 다카시 마이크로파 증폭기
US6292060B1 (en) 1999-09-13 2001-09-18 Chartered Semiconductor Manufacturing Ltd. Technique to generate negative conductance in CMOS tuned cascode RF amplifiers
US7266360B2 (en) * 2004-04-07 2007-09-04 Neoreach, Inc. Low noise amplifier for wireless communications
US20080048785A1 (en) * 2006-08-22 2008-02-28 Mokhtar Fuad Bin Haji Low-noise amplifier
KR100884159B1 (ko) * 2007-10-22 2009-02-17 한국정보통신대학교 산학협력단 자동정합 커패시터를 이용한 다중 주파수 대역 임피던스정합회로
KR20160097493A (ko) 2015-02-09 2016-08-18 (주) 토네이도테크 싸이크론 배기유닛을 구비한 담배꽁초 및 담배연기 처리장치
JP6440642B2 (ja) * 2016-01-25 2018-12-19 三菱電機株式会社 低雑音増幅回路及び低雑音増幅器

Also Published As

Publication number Publication date
KR0129843B1 (ko) 1998-10-01
US5642080A (en) 1997-06-24

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