FR2840129B1 - Amplificateur de puissance capable de commuter le gain tout en reduisant la puissance de bruit dans la bande de reception - Google Patents

Amplificateur de puissance capable de commuter le gain tout en reduisant la puissance de bruit dans la bande de reception

Info

Publication number
FR2840129B1
FR2840129B1 FR0300791A FR0300791A FR2840129B1 FR 2840129 B1 FR2840129 B1 FR 2840129B1 FR 0300791 A FR0300791 A FR 0300791A FR 0300791 A FR0300791 A FR 0300791A FR 2840129 B1 FR2840129 B1 FR 2840129B1
Authority
FR
France
Prior art keywords
power
gain
noise
switching
reducing
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 - Fee Related
Application number
FR0300791A
Other languages
English (en)
Other versions
FR2840129A1 (fr
Inventor
Kazuya Yamamoto
Teruyuki Shimura
Tomoyuki Asada
Satoshi Suzuki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FR2840129A1 publication Critical patent/FR2840129A1/fr
Application granted granted Critical
Publication of FR2840129B1 publication Critical patent/FR2840129B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR0300791A 2002-05-22 2003-01-24 Amplificateur de puissance capable de commuter le gain tout en reduisant la puissance de bruit dans la bande de reception Expired - Fee Related FR2840129B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002148071A JP2003347870A (ja) 2002-05-22 2002-05-22 電力増幅器

Publications (2)

Publication Number Publication Date
FR2840129A1 FR2840129A1 (fr) 2003-11-28
FR2840129B1 true FR2840129B1 (fr) 2005-08-19

Family

ID=29417125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0300791A Expired - Fee Related FR2840129B1 (fr) 2002-05-22 2003-01-24 Amplificateur de puissance capable de commuter le gain tout en reduisant la puissance de bruit dans la bande de reception

Country Status (5)

Country Link
US (1) US20030218500A1 (fr)
JP (1) JP2003347870A (fr)
CN (1) CN1268055C (fr)
DE (1) DE10302630A1 (fr)
FR (1) FR2840129B1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7164319B2 (en) 2005-04-29 2007-01-16 Triquint Semiconductor, Inc. Power amplifier with multi mode gain circuit
JP2007312003A (ja) 2006-05-17 2007-11-29 Mitsubishi Electric Corp アッテネータ
JP4494385B2 (ja) * 2006-10-11 2010-06-30 三菱電機株式会社 アッテネータ
ITPI20070073A1 (it) * 2007-06-13 2008-12-14 Antonio Sebastiano Abbadessa Sistema per migliorare il rendimento di un amplificatore rf e l'amplificatore cosi ottenuto
JP4849029B2 (ja) * 2007-07-23 2011-12-28 三菱電機株式会社 電力増幅器
JP5024057B2 (ja) 2008-01-07 2012-09-12 三菱電機株式会社 電力増幅器
JP5141389B2 (ja) 2008-06-12 2013-02-13 三菱電機株式会社 電力増幅器
US8237501B2 (en) * 2010-09-09 2012-08-07 Mks Instruments, Inc. Power amplifier with transistor input mismatching
JP5640725B2 (ja) 2010-12-20 2014-12-17 三菱電機株式会社 電力増幅器
KR20130126683A (ko) * 2011-01-19 2013-11-20 미쓰비시덴키 가부시키가이샤 출력 모드 전환 증폭기
JP2013219724A (ja) * 2012-04-12 2013-10-24 Mitsubishi Electric Corp 電力増幅器モジュール
CN103746661B (zh) * 2014-01-24 2017-01-18 南京邮电大学 一种双模式低噪声放大器
US10243766B2 (en) 2017-07-05 2019-03-26 Lojack Corporation Systems and methods for determining and compensating for offsets in RF communications
US10461868B2 (en) 2017-07-05 2019-10-29 Calamp Wireless Networks Corporation Systems and methods for reducing undesirable behaviors in RF communications
US10367457B2 (en) * 2017-07-06 2019-07-30 Calamp Wireless Networks Corporation Single stage ramped power amplifiers
CN108023552B (zh) * 2017-11-30 2021-04-13 电子科技大学 一种用于微波无线电能传输装置的射频功率放大器系统
JP2019115033A (ja) * 2017-12-20 2019-07-11 株式会社村田製作所 電力増幅回路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4701957A (en) * 1986-11-26 1987-10-20 Smith Randall C Dual mode music instrument preamplifier
JPH06103809B2 (ja) * 1988-06-10 1994-12-14 三菱電機株式会社 増幅回路
CA2088813C (fr) * 1992-03-02 2004-02-03 Willem G. Durtler Circuit de commande automatique de niveau pour radiotelephone a modes analogique et numerique
US5423078A (en) * 1993-03-18 1995-06-06 Ericsson Ge Mobile Communications Inc. Dual mode power amplifier for analog and digital cellular telephones
CN1081850C (zh) * 1995-09-29 2002-03-27 松下电器产业株式会社 功率放大器和通信单元
DE19708839A1 (de) * 1997-03-05 1998-09-10 Bosch Gmbh Robert Schaltbarer Hochfrequenzverstärker
US6175279B1 (en) * 1997-12-09 2001-01-16 Qualcomm Incorporated Amplifier with adjustable bias current
US6172567B1 (en) * 1998-08-31 2001-01-09 Hitachi, Ltd. Radio communication apparatus and radio frequency power amplifier
CA2246258A1 (fr) * 1998-08-31 2000-02-29 Photonics Research Ontario Methode optique novatrice pour l'imagerie holographique d'elements diffracteurs complexes dans des materiaux
JP4227248B2 (ja) * 1999-05-20 2009-02-18 三菱電機株式会社 高周波電力増幅器

Also Published As

Publication number Publication date
DE10302630A1 (de) 2003-12-18
US20030218500A1 (en) 2003-11-27
CN1459926A (zh) 2003-12-03
CN1268055C (zh) 2006-08-02
JP2003347870A (ja) 2003-12-05
FR2840129A1 (fr) 2003-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130930