TW198152B - - Google Patents

Info

Publication number
TW198152B
TW198152B TW080107718A TW80107718A TW198152B TW 198152 B TW198152 B TW 198152B TW 080107718 A TW080107718 A TW 080107718A TW 80107718 A TW80107718 A TW 80107718A TW 198152 B TW198152 B TW 198152B
Authority
TW
Taiwan
Application number
TW080107718A
Original Assignee
Hitachi Seisakusyo Kk
Hitachi Tobu Semiconducto Kk
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
Priority claimed from JP28072290A external-priority patent/JPH04154321A/ja
Priority claimed from JP3204897A external-priority patent/JPH05152978A/ja
Application filed by Hitachi Seisakusyo Kk, Hitachi Tobu Semiconducto Kk filed Critical Hitachi Seisakusyo Kk
Application granted granted Critical
Publication of TW198152B publication Critical patent/TW198152B/zh

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
    • H03F1/02—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
    • H03F1/0211—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 supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • 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
    • 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0416—Circuits with power amplifiers having gain or transmission power control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
TW080107718A 1990-10-18 1991-09-27 TW198152B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28072290A JPH04154321A (ja) 1990-10-18 1990-10-18 高周波電力増幅回路
JP3204897A JPH05152978A (ja) 1991-07-19 1991-07-19 高周波電力増幅回路

Publications (1)

Publication Number Publication Date
TW198152B true TW198152B (zh) 1993-01-11

Family

ID=26514720

Family Applications (1)

Application Number Title Priority Date Filing Date
TW080107718A TW198152B (zh) 1990-10-18 1991-09-27

Country Status (3)

Country Link
EP (1) EP0481741A3 (zh)
KR (1) KR920009100A (zh)
TW (1) TW198152B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103875182A (zh) * 2011-10-27 2014-06-18 三菱电机株式会社 高频放大器模块及高频放大器模块单元
TWI465116B (zh) * 2008-06-20 2014-12-11 Chi Mei Comm Systems Inc 具有一揚聲器之電子裝置

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3365428B2 (ja) * 1992-12-09 2003-01-14 ソニー株式会社 高周波パワーアンプのバイアス制御回路
JP3158776B2 (ja) * 1993-04-28 2001-04-23 ソニー株式会社 通信機
DE4339526A1 (de) * 1993-11-19 1995-05-24 Philips Patentverwaltung Funkgerät mit Sendeleistungsregelung
US5568094A (en) * 1994-12-15 1996-10-22 At&T Corp. Rf power amplifier with increased efficiency at low power
EP0829131A1 (de) * 1995-05-29 1998-03-18 Siemens Aktiengesellschaft Verstärker mit minimaler leistungsaufnahme
JP3508401B2 (ja) * 1996-07-12 2004-03-22 富士通株式会社 増幅回路および多段増幅回路
EP0854569B1 (en) * 1997-01-21 2003-04-09 Matsushita Electric Industrial Co., Ltd. High-frequency power amplifier
SE520227C2 (sv) * 1997-04-18 2003-06-10 Ericsson Telefon Ab L M Effektförstärkarkrets, samt förfarande för reglering och användning av en sådan krets
DE19804199A1 (de) * 1998-02-03 1999-08-05 Rohde & Schwarz Hochfrequenz-Sender
EP0940910A1 (en) * 1998-03-03 1999-09-08 Robert Bosch Gmbh Power amplifier for a radio transmitter and mobile telephone with a radio transmitter
US6522197B2 (en) * 2000-04-21 2003-02-18 Paradigm Wireless Systems, Inc. Method and apparatus for optimum biasing of cascaded MOSFET radio-frequency devices
US8514016B2 (en) 2011-01-18 2013-08-20 Skyworks Solutions, Inc. Single die power amplifier with closed loop power control
US11159134B2 (en) 2019-12-19 2021-10-26 Nxp Usa, Inc. Multiple-stage power amplifiers and amplifier arrays configured to operate using the same output bias voltage
CN114614840B (zh) * 2022-03-08 2023-08-25 福耀玻璃工业集团股份有限公司 车用信号放大器、系统及信号传输方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6110327Y2 (zh) * 1980-01-10 1986-04-03
JPS57211835A (en) * 1981-06-23 1982-12-25 Kokusai Electric Co Ltd Automatic electric power controlling circuit for transmitter
US4636741A (en) * 1985-11-01 1987-01-13 Motorola, Inc. Multi-level power amplifying circuitry for portable radio transceivers
JPH01239916A (ja) * 1988-03-22 1989-09-25 Seiko Epson Corp 半導体装置
FI80815C (fi) * 1988-09-13 1990-07-10 Nokia Mobira Oy Linearisation av en foerstaerkning i en rf-foerstaerkare.
JP2609310B2 (ja) * 1988-12-22 1997-05-14 株式会社日立製作所 送信回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI465116B (zh) * 2008-06-20 2014-12-11 Chi Mei Comm Systems Inc 具有一揚聲器之電子裝置
CN103875182A (zh) * 2011-10-27 2014-06-18 三菱电机株式会社 高频放大器模块及高频放大器模块单元

Also Published As

Publication number Publication date
KR920009100A (ko) 1992-05-28
EP0481741A3 (en) 1993-03-03
EP0481741A2 (en) 1992-04-22

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