SE522042C2 - Temperaturkompenserad effekdetekteringskrets med brett dynamikområde för bärbara radiofrekvensöverföringsterminaler - Google Patents

Temperaturkompenserad effekdetekteringskrets med brett dynamikområde för bärbara radiofrekvensöverföringsterminaler

Info

Publication number
SE522042C2
SE522042C2 SE9702214A SE9702214A SE522042C2 SE 522042 C2 SE522042 C2 SE 522042C2 SE 9702214 A SE9702214 A SE 9702214A SE 9702214 A SE9702214 A SE 9702214A SE 522042 C2 SE522042 C2 SE 522042C2
Authority
SE
Sweden
Prior art keywords
amplifier
linear
output
signal
input
Prior art date
Application number
SE9702214A
Other languages
English (en)
Swedish (sv)
Other versions
SE9702214D0 (sv
SE9702214L (sv
Inventor
Dien M Nguyen
Original Assignee
Denso 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 Denso Corp filed Critical Denso Corp
Publication of SE9702214D0 publication Critical patent/SE9702214D0/xx
Publication of SE9702214L publication Critical patent/SE9702214L/
Publication of SE522042C2 publication Critical patent/SE522042C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
    • H03G7/08—Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback
    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Transceivers (AREA)
SE9702214A 1996-07-02 1997-06-10 Temperaturkompenserad effekdetekteringskrets med brett dynamikområde för bärbara radiofrekvensöverföringsterminaler SE522042C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/677,333 US5796309A (en) 1996-07-02 1996-07-02 Temperature compensated wide dynamic range power detection circuitry for portable RF transmission terminals

Publications (3)

Publication Number Publication Date
SE9702214D0 SE9702214D0 (sv) 1997-06-10
SE9702214L SE9702214L (sv) 1998-01-03
SE522042C2 true SE522042C2 (sv) 2004-01-07

Family

ID=24718268

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9702214A SE522042C2 (sv) 1996-07-02 1997-06-10 Temperaturkompenserad effekdetekteringskrets med brett dynamikområde för bärbara radiofrekvensöverföringsterminaler

Country Status (5)

Country Link
US (1) US5796309A (ja)
JP (1) JP3932592B2 (ja)
CN (1) CN1086064C (ja)
DE (1) DE19710474B4 (ja)
SE (1) SE522042C2 (ja)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2318004A (en) * 1996-10-01 1998-04-08 Nokia Mobile Phones Ltd A diode detector
US5956627A (en) * 1997-07-08 1999-09-21 Uniden San Diego Research & Development Center, Inc. Temperature compensated power control circuit
JPH11312988A (ja) * 1998-04-30 1999-11-09 Nec Corp マイクロ波・ミリ波送信方法と送信装置
KR100301805B1 (ko) * 1998-06-12 2001-09-22 김영환 신호압축장치
US6133792A (en) * 1998-09-17 2000-10-17 Telefonakteibolaget Lm Ericsson Method and apparatus for preventing power amplifier saturation
US6163202A (en) * 1998-10-05 2000-12-19 Lucent Technologies Inc. Temperature compensation circuit for semiconductor switch and method of operation thereof
FI106411B (fi) * 1999-02-03 2001-01-31 Nokia Mobile Phones Ltd Menetelmä ja järjestely ilmaisimen ja ohjaussignaalin lämpöryöminnän kompensoimiseksi jaksoittaisessa säädössä
US6321074B1 (en) * 1999-02-18 2001-11-20 Itron, Inc. Apparatus and method for reducing oscillator frequency pulling during AM modulation
JP3678939B2 (ja) * 1999-04-30 2005-08-03 アルプス電気株式会社 温度補償を行ったａｇｃ回路
US6836184B1 (en) 1999-07-02 2004-12-28 Adc Telecommunications, Inc. Network amplifier with microprocessor control
JP4292655B2 (ja) * 1999-11-09 2009-07-08 株式会社デンソー サンプリング装置
US6307429B1 (en) 2000-01-12 2001-10-23 National Semiconductor Corporation Extended power ramp table for power amplifier control loop
JP2001203536A (ja) * 2000-01-18 2001-07-27 Mitsubishi Electric Corp 検波回路及び送信装置
DE10002523A1 (de) 2000-01-21 2001-08-02 Infineon Technologies Ag Schaltungsanordnung zur Regelung der Sendeleistung eines batteriebetriebenen Funkgeräts
EP1440506A1 (en) * 2001-10-16 2004-07-28 Koninklijke Philips Electronics N.V. Rf power amplifier circuit
KR100603199B1 (ko) 2004-06-08 2006-07-24 삼성전자주식회사 온도데이터를 송신하는 무선인증용태그 및 그 방법
KR100603763B1 (ko) 2004-06-10 2006-07-24 삼성전자주식회사 각기 다른 주파수의 ｒｆ신호들을 이용하여 온도를측정하는 온도측정장치 및 방법
JP2006033185A (ja) * 2004-07-13 2006-02-02 Fujitsu Ltd ダイオード検波回路
US7504813B2 (en) * 2004-12-13 2009-03-17 Broadcom Corporation High precision power detector
DE102006024699A1 (de) * 2006-05-26 2007-11-29 Rohde & Schwarz Gmbh & Co. Kg Messvorrichtung mit gegengekoppelten Gleichspannungsverstärker
WO2008103374A2 (en) * 2007-02-19 2008-08-28 Mobile Access Networks Ltd. Method and system for improving uplink performance
US7460049B2 (en) * 2007-04-13 2008-12-02 Mediatek Inc. Power-to-digital converter
US7970360B2 (en) * 2008-10-24 2011-06-28 Harris Corporation Electronic device with a distortion correction circuit for a power amplifier, and associated methods
US8217717B1 (en) * 2010-09-10 2012-07-10 Rf Micro Devices, Inc. Linear detector with added diode feedback loop
JP5621673B2 (ja) * 2011-03-18 2014-11-12 富士通セミコンダクター株式会社 検波回路
US8428534B1 (en) * 2011-09-30 2013-04-23 Silicon Laboratories Inc. Accuracy power detection unit
US9502756B2 (en) * 2013-09-19 2016-11-22 Rohm Co., Ltd. Antenna driving device
US9746505B2 (en) * 2014-12-01 2017-08-29 Silicon Laboratories, Inc. Radio frequency energy detection
WO2019169566A1 (zh) * 2018-03-07 2019-09-12 厦门优迅高速芯片有限公司 一种跨阻放大器自动增益控制电路
JP2020114007A (ja) * 2020-03-25 2020-07-27 新日本無線株式会社 低雑音増幅装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904971A (en) * 1971-09-29 1975-09-09 Us Navy Automatic gain control amplifier circuit
US4263560A (en) * 1974-06-06 1981-04-21 The United States Of America As Represented By The Secretary Of The Navy Log-exponential AGC circuit
US4560949A (en) * 1982-09-27 1985-12-24 Rockwell International Corporation High speed AGC circuit
US4523155A (en) * 1983-05-04 1985-06-11 Motorola, Inc. Temperature compensated automatic output control circuitry for RF signal power amplifiers with wide dynamic range
US4602218A (en) * 1985-04-30 1986-07-22 Motorola, Inc. Automatic output control circuitry for RF power amplifiers with wide dynamic range
US4760347A (en) * 1987-01-20 1988-07-26 Novatel Communications Ltd. Controlled-output amplifier and power detector therefor
US4791380A (en) * 1987-10-09 1988-12-13 Microphase Corporation Detector circuit with dual-diode compensation
JPH0671185B2 (ja) * 1988-07-20 1994-09-07 三洋電機株式会社 対数増幅回路
US5099204A (en) * 1990-10-15 1992-03-24 Qualcomm Incorporated Linear gain control amplifier
KR960000775B1 (ko) * 1990-10-19 1996-01-12 닛본덴기 가부시끼가이샤 고주파 전력 증폭기의 출력레벨 제어회로
TW225619B (ja) * 1991-07-19 1994-06-21 Nippon Electric Co
CN1033417C (zh) * 1992-01-23 1996-11-27 广州现代通信技术工程有限公司 射频功率控制电路的温度补偿方法

Also Published As

Publication number Publication date
SE9702214D0 (sv) 1997-06-10
JPH1022758A (ja) 1998-01-23
US5796309A (en) 1998-08-18
SE9702214L (sv) 1998-01-03
JP3932592B2 (ja) 2007-06-20
CN1086064C (zh) 2002-06-05
DE19710474A1 (de) 1998-01-08
CN1172384A (zh) 1998-02-04
DE19710474B4 (de) 2007-04-05

Similar Documents

Publication Publication Date Title
SE522042C2 (sv) Temperaturkompenserad effekdetekteringskrets med brett dynamikområde för bärbara radiofrekvensöverföringsterminaler
JP3568994B2 (ja) 電力レベル制御用の方向性検波装置
US6678506B1 (en) Extended range power detector
JP4828542B2 (ja) インピーダンス検出器
US7253681B2 (en) Power amplifier with integrated sensors
EP0803973B1 (en) Linear power amplifier with automatic gate/base bias control for optimum efficiency
US7190935B2 (en) Amplifier power detection circuitry
US6301486B1 (en) Radio telephone apparatus
US7193460B1 (en) Circuit for controlling power amplifier quiescent current
US6297701B1 (en) Wide dynamic range transimpedance amplifier
USRE40031E1 (en) Temperature compensated power control circuit
US20230276380A1 (en) Automatic gain control system, control method, power detector and radio frequency receiver
GB2311670A (en) Multistage RF amplifier with gain control of one constant drive current stage and one variable drive current stage
US7454179B1 (en) Radio frequency power detector and decision circuit used with DC supply voltage controlled power amplifiers
EP1509998B1 (en) Apparatus for detecting the envelope of rf power signals
EP1625656B1 (en) Circuit for improved differential amplifier and other applications
EP0895350A1 (en) Low power gain controlled amplifier with high dynamic range
EP1232564A1 (en) Power amplifiers
JPWO2006022132A1 (ja) 高周波回路およびこれを用いた通信装置
US6710716B1 (en) Power detecting circuit and demodulator comprising the same
EP1049249A1 (en) Variable gain amplifiers
EP1447905A1 (en) Power detecting circuit and demodulator comprising it
CN116545391A (zh) 一种自适应温度补偿的真对数放大器
WO2006118645A2 (en) Methods and apparatus for precision limiting in transimpedance amplifiers
JPH10126283A (ja) 無線通信装置の送信電力制御回路

Legal Events

Date Code Title Description
NUG Patent has lapsed