ZA962952B - Temperature compensated automatic gain control - Google Patents

Temperature compensated automatic gain control

Info

Publication number
ZA962952B
ZA962952B ZA962952A ZA962952A ZA962952B ZA 962952 B ZA962952 B ZA 962952B ZA 962952 A ZA962952 A ZA 962952A ZA 962952 A ZA962952 A ZA 962952A ZA 962952 B ZA962952 B ZA 962952B
Authority
ZA
South Africa
Prior art keywords
gain control
automatic gain
temperature compensated
compensated automatic
temperature
Prior art date
Application number
ZA962952A
Inventor
Richard K Kornfeld
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of ZA962952B publication Critical patent/ZA962952B/en

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)
ZA962952A 1995-04-21 1996-04-12 Temperature compensated automatic gain control ZA962952B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42655195A 1995-04-21 1995-04-21

Publications (1)

Publication Number Publication Date
ZA962952B true ZA962952B (en) 1996-10-15

Family

ID=23691249

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA962952A ZA962952B (en) 1995-04-21 1996-04-12 Temperature compensated automatic gain control

Country Status (13)

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

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148220A (en) * 1997-04-25 2000-11-14 Triquint Semiconductor, Inc. Battery life extending technique for mobile wireless applications
JP2990150B2 (en) * 1998-04-06 1999-12-13 静岡日本電気株式会社 Method and apparatus for preventing overheating of mobile phone
US6169884B1 (en) 1998-04-06 2001-01-02 Sierra Wireless, Inc. Method and apparatus for reducing power in radio transmitters
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
US6760311B1 (en) 1998-11-20 2004-07-06 Ericsson Inc. Thermal transmission control of wireless data modem
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 (en) * 1999-10-04 2006-07-05 에스케이 텔레콤주식회사 Apparatus and method for compensating rf module gain using measured rf module noise
JP2001203591A (en) * 2000-01-18 2001-07-27 Hitachi Kokusai Electric Inc Transmitter
KR20020047341A (en) * 2000-12-13 2002-06-22 구자홍 A circuit of compensation temperature for power amp
US6711389B2 (en) * 2001-02-16 2004-03-23 Telefonaktiebolaget L.M. Ericsson Power controller for a mobile terminal
FI20012537A (en) 2001-12-20 2003-06-27 Nokia Corp Method and power control system of a wireless communication device and a wireless communication device
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 (en) * 2004-11-13 2006-11-02 엘지전자 주식회사 Apparatus for controlling output of transmission in wireless terminal
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 (en) 2009-06-30 2013-04-29 Vodafone España, S.A.U METHOD AND SYSTEM FOR OPTIMIZING THE OPERATING TEMPERATURE IN A POWER AMPLIFIER OF A BASE STATION OF A CELLULAR TELECOMMUNICATIONS NETWORK
US8498328B2 (en) 2009-10-13 2013-07-30 Qualcomm Incorporated Energy management for wireless devices
CN101833342B (en) * 2010-03-12 2013-04-24 华为终端有限公司 Terminal product and thermal control method thereof
US9667280B2 (en) 2010-09-24 2017-05-30 Qualcomm Incorporated Methods and apparatus for touch temperature management based on power dissipation history
DE102010047497A1 (en) * 2010-10-06 2012-04-12 Msa Auer Gmbh Arrangement and method for achieving intrinsic safety of a radio transmitter module
FR2977095B1 (en) * 2011-06-21 2015-01-23 Thales Sa ELECTRONIC RADIO SYSTEM FOR POWER AMPLIFICATION WITH STATIC WAVE RATE PROTECTION AND PROTECTION METHOD THEREOF
CN103872995A (en) * 2014-03-11 2014-06-18 中国科学院微电子研究所 Broadband dB linear automatic gain control amplifier with temperature compensation
CN111954289A (en) * 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 V2X power compensation device and method based on closed-loop power control
CN114696860B (en) * 2020-12-25 2023-12-08 瑞昱半导体股份有限公司 Apparatus and method for performing transceiving of wireless local area network signals
TWI739713B (en) * 2021-02-04 2021-09-11 瑞昱半導體股份有限公司 Gain control circuit for transmitter and method thereof
CN114915302B (en) * 2021-02-09 2024-02-09 瑞昱半导体股份有限公司 Gain control circuit for transmitter and related method
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 (en) * 1989-04-27 1990-11-26 Nec Corp Radio transmitter
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

Also Published As

Publication number Publication date
IL117831A0 (en) 1996-08-04
FI973994A0 (en) 1997-10-17
WO1996033555A1 (en) 1996-10-24
CA2218686A1 (en) 1996-10-24
AU5567696A (en) 1996-11-07
JPH11505380A (en) 1999-05-18
FI973994A (en) 1997-12-15
AR001578A1 (en) 1997-11-26
CN1186575A (en) 1998-07-01
MX9708050A (en) 1998-02-28
EP0824784A1 (en) 1998-02-25
BR9608406A (en) 1998-12-29
KR19990007956A (en) 1999-01-25

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