CA1230926A - Radio communication device and method of controlling transmitter output power - Google Patents

Radio communication device and method of controlling transmitter output power

Info

Publication number
CA1230926A
CA1230926A CA000479261A CA479261A CA1230926A CA 1230926 A CA1230926 A CA 1230926A CA 000479261 A CA000479261 A CA 000479261A CA 479261 A CA479261 A CA 479261A CA 1230926 A CA1230926 A CA 1230926A
Authority
CA
Canada
Prior art keywords
communication device
radio communication
circuit
power amplifier
power
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
Application number
CA000479261A
Other languages
English (en)
French (fr)
Inventor
Shigeki Ikeda
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of CA1230926A publication Critical patent/CA1230926A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3877—Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
CA000479261A 1984-04-19 1985-04-16 Radio communication device and method of controlling transmitter output power Expired CA1230926A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59078967A JPS60223231A (ja) 1984-04-19 1984-04-19 無線通信機
JP78967/'84 1984-04-19

Publications (1)

Publication Number Publication Date
CA1230926A true CA1230926A (en) 1987-12-29

Family

ID=13676670

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000479261A Expired CA1230926A (en) 1984-04-19 1985-04-16 Radio communication device and method of controlling transmitter output power

Country Status (5)

Country Link
US (1) US4654882A (enExample)
EP (1) EP0159670B1 (enExample)
JP (1) JPS60223231A (enExample)
CA (1) CA1230926A (enExample)
DE (1) DE3569443D1 (enExample)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0644716B2 (ja) * 1984-08-14 1994-06-08 日本電気株式会社 無線通信装置
US4636741A (en) * 1985-11-01 1987-01-13 Motorola, Inc. Multi-level power amplifying circuitry for portable radio transceivers
JPS63226124A (ja) * 1986-10-29 1988-09-20 Oki Electric Ind Co Ltd 無線装置用レベル制御回路
JPH0432859Y2 (enExample) * 1987-07-20 1992-08-06
JPH0432860Y2 (enExample) * 1987-07-20 1992-08-06
JPS6452322U (enExample) * 1987-09-26 1989-03-31
US4882579A (en) * 1988-01-07 1989-11-21 Motorola, Inc. Code division multiplexed acknowledge back paging system
US4825193A (en) * 1988-01-07 1989-04-25 Motorola, Inc. Acknowledge back pager with adaptive variable transmitter output power
US4823123A (en) * 1988-01-07 1989-04-18 Motorola, Inc. Knowledge back pager with frequency control apparatus
US4891637A (en) * 1988-01-07 1990-01-02 Motorola, Inc. Acknowledge back pager with apparatus for controlling transmit frequency
US4875038A (en) * 1988-01-07 1989-10-17 Motorola, Inc. Frequency division multiplexed acknowledge back paging system
JPH01220919A (ja) * 1988-02-29 1989-09-04 Toshiba Corp 無線電話装置
DE58904854D1 (de) * 1988-04-08 1993-08-12 Siemens Ag Funkgeraet.
US5203020A (en) * 1988-06-14 1993-04-13 Kabushiki Kaisha Toshiba Method and apparatus for reducing power consumption in a radio telecommunication apparatus
JPH01314431A (ja) * 1988-06-15 1989-12-19 Mitsubishi Electric Corp 送信電力制御回路
JPH0278331A (ja) * 1988-09-14 1990-03-19 Nec Corp 移動通信用送受信装置
JPH02246531A (ja) * 1989-03-20 1990-10-02 Fujitsu Ltd 送信電力可変形送信機の送信断検出回路
JPH0728231B2 (ja) * 1989-04-10 1995-03-29 三菱電機株式会社 ブースタ装置およびブースタ装置を接続した無線機
FI82333C (fi) * 1989-04-24 1991-02-11 Telenokia Oy Radiosaendares hoegfrekvensfoerstaerkare.
US4989260A (en) * 1989-05-17 1991-01-29 The Quaker Oats Company Transmitter with power reduction to compensate for varying radiated electric field strength when switching between batteries and AC power
US5142279A (en) * 1989-06-05 1992-08-25 Motorola, Inc. Acknowledge back paging system having the capability of matching variable length data messages to pager addresses
JPH0775324B2 (ja) * 1989-08-18 1995-08-09 日本電気株式会社 携帯無線機
JP2746685B2 (ja) * 1989-09-06 1998-05-06 富士通株式会社 送信出力制御回路
FI89992C (fi) * 1990-03-29 1993-12-10 Nokia Mobile Phones Ltd Handtelefon i form av en modulaer enhet
SE466722B (sv) * 1990-07-31 1992-03-23 Ericsson Telefon Ab L M Drivenhet foer en mobiltelefon
JP2568779B2 (ja) 1991-12-10 1997-01-08 松下電器産業株式会社 携帯電話装置
US5457814A (en) * 1993-10-02 1995-10-10 Nokia Mobile Phones Ltd. Power boost system for cellular telephone
AU667140B2 (en) * 1992-11-26 1996-03-07 Nec Corporation Booster for use in combination with radio apparatus
KR950007973B1 (ko) * 1992-11-27 1995-07-21 삼성전자주식회사 휴대용 무선송수신기의 고주파 출력레벨 보상회로
JPH06265430A (ja) * 1993-03-11 1994-09-22 Nissan Motor Co Ltd 筒内圧センサ
JPH06276146A (ja) * 1993-03-19 1994-09-30 Fujitsu Ltd 移動電話装置
JPH08501197A (ja) * 1993-03-26 1996-02-06 クァルコム・インコーポレーテッド 電力増幅器バイアス制御回路および方法
DE4316526B4 (de) * 1993-05-18 2005-11-10 Philips Intellectual Property & Standards Gmbh Sender mit einem steuerbaren Leistungsverstärker
JPH06334541A (ja) * 1993-05-25 1994-12-02 Sony Corp 無線送信機
US5339046A (en) * 1993-06-03 1994-08-16 Alps Electric Co., Ltd. Temperature compensated variable gain amplifier
CA2135816C (en) * 1993-11-19 2000-02-15 Takashi Enoki Transmission circuit with improved gain control loop
US5732335A (en) * 1995-04-28 1998-03-24 Telefonaktiebolaget Lm Ericsson Externally controlled output power by means of antenna keying
US5872481A (en) * 1995-12-27 1999-02-16 Qualcomm Incorporated Efficient parallel-stage power amplifier
US5974041A (en) * 1995-12-27 1999-10-26 Qualcomm Incorporated Efficient parallel-stage power amplifier
US5854972A (en) * 1996-05-16 1998-12-29 Motorola, Inc. Circuit for adjusting transmit power
US6230031B1 (en) * 1997-03-31 2001-05-08 Oki Telecom, Inc. Power amplifying circuitry for wireless radio transceivers
US6069525A (en) * 1997-04-17 2000-05-30 Qualcomm Incorporated Dual-mode amplifier with high efficiency and high linearity
US6038457A (en) * 1997-12-05 2000-03-14 Motorola, Inc. Apparatus and method for detecting and powering an accessory
USD419160S (en) * 1998-05-14 2000-01-18 Northrop Grumman Corporation Personal communications unit docking station
US6243573B1 (en) 1998-05-15 2001-06-05 Northrop Grumman Corporation Personal communications system
US6041243A (en) * 1998-05-15 2000-03-21 Northrop Grumman Corporation Personal communications unit
US6304559B1 (en) 1998-05-15 2001-10-16 Northrop Grumman Corporation Wireless communications protocol
USD421002S (en) * 1998-05-15 2000-02-22 Northrop Grumman Corporation Personal communications unit handset
US6223062B1 (en) 1998-05-15 2001-04-24 Northrop Grumann Corporation Communications interface adapter
US6169730B1 (en) 1998-05-15 2001-01-02 Northrop Grumman Corporation Wireless communications protocol
US6141426A (en) * 1998-05-15 2000-10-31 Northrop Grumman Corporation Voice operated switch for use in high noise environments
US6069526A (en) * 1998-08-04 2000-05-30 Qualcomm Incorporated Partial or complete amplifier bypass
JP2003133972A (ja) * 2001-10-29 2003-05-09 Fujitsu Ltd 無線送信機を有する電子装置
DE10218828A1 (de) * 2002-04-26 2003-11-06 Siemens Ag Mobilfunkgerät mit Sendeleistungsbeschränkung
US8536950B2 (en) * 2009-08-03 2013-09-17 Qualcomm Incorporated Multi-stage impedance matching
US8102205B2 (en) 2009-08-04 2012-01-24 Qualcomm, Incorporated Amplifier module with multiple operating modes
JP2015050548A (ja) * 2013-08-30 2015-03-16 株式会社タムラ製作所 送信機及びこれを用いた無線通信システム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095184A (en) * 1976-11-01 1978-06-13 Hochstein Peter A Radio transceiver power booster
US4189676A (en) * 1978-04-13 1980-02-19 Motorola, Inc. Switching system utilizing flexible circuit with transmission line for matched impedance connections
JPS5694848A (en) * 1979-12-28 1981-07-31 Nec Corp Control system of transmitter
JPS6110327Y2 (enExample) * 1980-01-10 1986-04-03
US4353037A (en) * 1980-08-11 1982-10-05 Motorola, Inc. Amplifier protection circuit
JPS6041821A (ja) * 1983-08-18 1985-03-05 Nec Corp 送信出力電力制御装置

Also Published As

Publication number Publication date
US4654882A (en) 1987-03-31
EP0159670A2 (en) 1985-10-30
EP0159670B1 (en) 1989-04-12
JPS60223231A (ja) 1985-11-07
JPH0320167B2 (enExample) 1991-03-18
DE3569443D1 (en) 1989-05-18
EP0159670A3 (en) 1986-10-08

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Legal Events

Date Code Title Description
MKEX Expiry