DE60332331D1 - Vorderstufen verstarker mit verschiedenen betriebsarten - Google Patents

Vorderstufen verstarker mit verschiedenen betriebsarten

Info

Publication number
DE60332331D1
DE60332331D1 DE60332331T DE60332331T DE60332331D1 DE 60332331 D1 DE60332331 D1 DE 60332331D1 DE 60332331 T DE60332331 T DE 60332331T DE 60332331 T DE60332331 T DE 60332331T DE 60332331 D1 DE60332331 D1 DE 60332331D1
Authority
DE
Germany
Prior art keywords
operating modes
various operating
forward amplifiers
signal
front stage
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60332331T
Other languages
English (en)
Inventor
Kam C Kwong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NXP BV
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Application granted granted Critical
Publication of DE60332331D1 publication Critical patent/DE60332331D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • 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
    • H03F1/0272—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 by using a signal derived from the output signal
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • 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)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Circuits Of Receivers In General (AREA)
DE60332331T 2002-03-13 2003-02-17 Vorderstufen verstarker mit verschiedenen betriebsarten Expired - Lifetime DE60332331D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG0200042 2002-03-13
PCT/IB2003/000617 WO2003077415A1 (en) 2002-03-13 2003-02-17 Front stage amplifier with different modes

Publications (1)

Publication Number Publication Date
DE60332331D1 true DE60332331D1 (de) 2010-06-10

Family

ID=27800892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60332331T Expired - Lifetime DE60332331D1 (de) 2002-03-13 2003-02-17 Vorderstufen verstarker mit verschiedenen betriebsarten

Country Status (9)

Country Link
US (1) US7116165B2 (de)
EP (1) EP1485995B1 (de)
JP (1) JP2005520385A (de)
KR (1) KR20040095286A (de)
CN (1) CN100533955C (de)
AT (1) ATE466400T1 (de)
AU (1) AU2003252816A1 (de)
DE (1) DE60332331D1 (de)
WO (1) WO2003077415A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI230503B (en) 2003-05-20 2005-04-01 Mediatek Inc Amplifier with fixed input impedance operated in various gain modes
US7161421B2 (en) * 2003-12-16 2007-01-09 International Rectifier Corporation Volume control in class D amplifier using variable supply voltage
MY138841A (en) * 2004-07-08 2009-07-31 Sony Emcs Malaysia Sdn Bhd Electronic switch for tv signal booster
JP4818439B2 (ja) * 2010-01-15 2011-11-16 株式会社東芝 電子機器および受信チャンネルのプリセット方法
CN105099489B (zh) * 2015-07-27 2019-01-15 联想(北京)有限公司 一种射频信号处理模块、电子设备及射频信号放大方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03208417A (ja) 1989-10-24 1991-09-11 Samsung Electro Mech Co Ltd Ｉｃチューナーの入力信号安定回路
US5179724A (en) * 1991-01-15 1993-01-12 Ericsson G.E. Mobile Communications Holding Inc. Conserving power in hand held mobile telephones during a receiving mode of operation
JPH06326534A (ja) * 1993-05-14 1994-11-25 Nippon Antenna Kk Ｔｖ受信用増幅装置
KR19980013843A (ko) 1996-08-03 1998-05-15 김광호 적응적 수신감도 향상을 위한 방송수신장치
TW331681B (en) 1997-02-18 1998-05-11 Chyng-Guang Juang Wide-band low-noise low-crossover distortion receiver
JP2001177429A (ja) 1999-12-21 2001-06-29 Matsushita Electric Ind Co Ltd 電子チューナ
JP3612474B2 (ja) * 2000-08-11 2005-01-19 株式会社東芝 増幅回路
JP4220694B2 (ja) * 2001-03-27 2009-02-04 パナソニック株式会社 高周波可変利得増幅装置
EP1501189B1 (de) * 2003-07-22 2009-08-12 Panasonic Corporation Hochfrequenzverstärker mit variabler Verstärkung, Regelvorrichtung, Hochfrequenzumsetzer mit variabler Verstärkung und Kommunikationsvorrichtung

Also Published As

Publication number Publication date
ATE466400T1 (de) 2010-05-15
US7116165B2 (en) 2006-10-03
JP2005520385A (ja) 2005-07-07
KR20040095286A (ko) 2004-11-12
WO2003077415A1 (en) 2003-09-18
EP1485995A1 (de) 2004-12-15
AU2003252816A1 (en) 2003-09-22
US20050162224A1 (en) 2005-07-28
CN1639967A (zh) 2005-07-13
EP1485995B1 (de) 2010-04-28
CN100533955C (zh) 2009-08-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition