CA2218686A1 - Temperature compensated automatic gain control - Google Patents

Temperature compensated automatic gain control Download PDF

Info

Publication number
CA2218686A1
CA2218686A1 CA002218686A CA2218686A CA2218686A1 CA 2218686 A1 CA2218686 A1 CA 2218686A1 CA 002218686 A CA002218686 A CA 002218686A CA 2218686 A CA2218686 A CA 2218686A CA 2218686 A1 CA2218686 A1 CA 2218686A1
Authority
CA
Canada
Prior art keywords
power
amplifier
temperature
control
coupled
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.)
Abandoned
Application number
CA002218686A
Other languages
English (en)
French (fr)
Inventor
Richard K. Kornfeld
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.)
Qualcomm Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2218686A1 publication Critical patent/CA2218686A1/en
Abandoned 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
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/036—Cooling arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G2201/00—Indexing scheme relating to subclass H03G
    • H03G2201/70—Gain control characterized by the gain control parameter
    • H03G2201/708—Gain control characterized by the gain control parameter being temperature
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Temperature (AREA)
CA002218686A 1995-04-21 1996-04-22 Temperature compensated automatic gain control Abandoned CA2218686A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42655195A 1995-04-21 1995-04-21
US08/426,551 1995-04-21

Publications (1)

Publication Number Publication Date
CA2218686A1 true CA2218686A1 (en) 1996-10-24

Family

ID=23691249

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002218686A Abandoned CA2218686A1 (en) 1995-04-21 1996-04-22 Temperature compensated automatic gain control

Country Status (13)

Country Link
EP (1) EP0824784A1 (ja)
JP (1) JPH11505380A (ja)
KR (1) KR19990007956A (ja)
CN (1) CN1186575A (ja)
AR (1) AR001578A1 (ja)
AU (1) AU5567696A (ja)
BR (1) BR9608406A (ja)
CA (1) CA2218686A1 (ja)
FI (1) FI973994A (ja)
IL (1) IL117831A0 (ja)
MX (1) MX9708050A (ja)
WO (1) WO1996033555A1 (ja)
ZA (1) ZA962952B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7860018B2 (en) 1998-11-20 2010-12-28 Ericsson Inc. Thermal transmission control of wireless data modem

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US6148220A (en) * 1997-04-25 2000-11-14 Triquint Semiconductor, Inc. Battery life extending technique for mobile wireless applications
US6169884B1 (en) * 1998-04-06 2001-01-02 Sierra Wireless, Inc. Method and apparatus for reducing power in radio transmitters
JP2990150B2 (ja) * 1998-04-06 1999-12-13 静岡日本電気株式会社 携帯電話機の過熱防止の方法とその装置
GB2339113B (en) 1998-06-30 2003-05-21 Nokia Mobile Phones Ltd Data transmission in tdma system
US6256483B1 (en) * 1998-10-28 2001-07-03 Tachyon, Inc. Method and apparatus for calibration of a wireless transmitter
US6374116B1 (en) * 1999-06-14 2002-04-16 Qualcomm Incorporated Adjusting maximum transmit power to maintain constant margin for adjacent channel power rejection
US6418301B1 (en) * 1999-08-04 2002-07-09 Harris Corporation Methods for radio calibration at room temperature
KR100595839B1 (ko) * 1999-10-04 2006-07-05 에스케이 텔레콤주식회사 잡음신호를 이용한 이득 보상 장치 및 그 방법
JP2001203591A (ja) * 2000-01-18 2001-07-27 Hitachi Kokusai Electric Inc 送信装置
KR20020047341A (ko) * 2000-12-13 2002-06-22 구자홍 파워앰프의 온도 보상 회로
US6711389B2 (en) * 2001-02-16 2004-03-23 Telefonaktiebolaget L.M. Ericsson Power controller for a mobile terminal
FI20012537A (fi) 2001-12-20 2003-06-27 Nokia Corp Menetelmä ja järjestelmä langattoman viestimen tehon säätämiseksi ja langaton viestin
US7010284B2 (en) 2002-11-06 2006-03-07 Triquint Semiconductor, Inc. Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier
US8169981B2 (en) 2002-10-31 2012-05-01 Motorola Mobility, Inc. Method and mobile station for controlling communication via a radio link
US7283792B2 (en) * 2004-10-15 2007-10-16 Nokia Corporation Method and apparatus for providing limiting power adjustment in a wireless communication system
KR100641180B1 (ko) * 2004-11-13 2006-11-02 엘지전자 주식회사 휴대단말기의 송신출력 제어장치
US7636386B2 (en) * 2005-11-15 2009-12-22 Panasonic Corporation Method of continuously calibrating the gain for a multi-path angle modulator
US7698578B2 (en) * 2006-06-29 2010-04-13 Nokia Corporation Temperature-dependent power adjustment of transmitter
US7933571B2 (en) 2007-06-20 2011-04-26 Motorola Mobility, Inc. Method and apparatus for selecting a communication mode based on energy sources in a hybrid power supply
US8620235B2 (en) * 2008-05-23 2013-12-31 Qualcomm Incorporated Thermal management for data modules
ES2382324B1 (es) 2009-06-30 2013-04-29 Vodafone España, S.A.U Metodo y sistema para optimizar la temperatura de funcionamiento en un amplificador de potencia de una estacion base de una red de telecomunicaciones celulares
US8498328B2 (en) 2009-10-13 2013-07-30 Qualcomm Incorporated Energy management for wireless devices
CN101833342B (zh) * 2010-03-12 2013-04-24 华为终端有限公司 终端产品及其热控制方法
US9667280B2 (en) * 2010-09-24 2017-05-30 Qualcomm Incorporated Methods and apparatus for touch temperature management based on power dissipation history
DE102010047497A1 (de) 2010-10-06 2012-04-12 Msa Auer Gmbh Anordnung und Verfahren zur Erzielung der Eigensicherheit eines Funksendemoduls
FR2977095B1 (fr) * 2011-06-21 2015-01-23 Thales Sa Systeme electronique radio pour amplification de puissance avec protection en taux d'ondes stationnaires et procede de protection associe
CN103872995A (zh) * 2014-03-11 2014-06-18 中国科学院微电子研究所 带有温度补偿的宽带dB线性自动增益控制放大器
CN111954289A (zh) * 2020-07-22 2020-11-17 惠州市德赛西威智能交通技术研究院有限公司 一种基于闭环功率控制的v2x功率补偿装置及方法
CN114696860B (zh) * 2020-12-25 2023-12-08 瑞昱半导体股份有限公司 执行无线局域网络信号的收发的装置及方法
TWI739713B (zh) * 2021-02-04 2021-09-11 瑞昱半導體股份有限公司 用於發射機的增益控制電路及相關方法
CN114915302B (zh) * 2021-02-09 2024-02-09 瑞昱半导体股份有限公司 用于发射机的增益控制电路及相关方法
US11870512B2 (en) 2022-04-27 2024-01-09 Samsung Electronics Co., Ltd. Distributed closed-loop power control with VGA gain update

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122400A (en) * 1976-11-08 1978-10-24 Rca Corporation Amplifier protection circuit
JPH02285817A (ja) * 1989-04-27 1990-11-26 Nec Corp 無線送信機
US5287555A (en) * 1991-07-22 1994-02-15 Motorola, Inc. Power control circuitry for a TDMA radio frequency transmitter
US5192919A (en) * 1991-10-03 1993-03-09 Motorola, Inc. Transmitter having a temperature adjusted power amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7860018B2 (en) 1998-11-20 2010-12-28 Ericsson Inc. Thermal transmission control of wireless data modem

Also Published As

Publication number Publication date
EP0824784A1 (en) 1998-02-25
KR19990007956A (ko) 1999-01-25
FI973994A (fi) 1997-12-15
MX9708050A (es) 1998-02-28
FI973994A0 (fi) 1997-10-17
IL117831A0 (en) 1996-08-04
ZA962952B (en) 1996-10-15
AU5567696A (en) 1996-11-07
WO1996033555A1 (en) 1996-10-24
CN1186575A (zh) 1998-07-01
JPH11505380A (ja) 1999-05-18
BR9608406A (pt) 1998-12-29
AR001578A1 (es) 1997-11-26

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Legal Events

Date Code Title Description
FZDE Discontinued