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HK139893A - Radio transceiver capable of avoiding intermodulation distortion - Google Patents

Radio transceiver capable of avoiding intermodulation distortion

Info

Publication number
HK139893A
HK139893A HK1398/93A HK139893A HK139893A HK 139893 A HK139893 A HK 139893A HK 1398/93 A HK1398/93 A HK 1398/93A HK 139893 A HK139893 A HK 139893A HK 139893 A HK139893 A HK 139893A
Authority
HK
Hong Kong
Prior art keywords
intermodulation distortion
gain
amplifier
controller
signal
Prior art date
Application number
HK1398/93A
Other languages
English (en)
Inventor
Kasai Yoshihiko
Original Assignee
Nec Corporation
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 Corporation filed Critical Nec Corporation
Publication of HK139893A publication Critical patent/HK139893A/xx

Links

Classifications

    • 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
    • H04B1/40—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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
HK1398/93A 1988-08-15 1993-12-23 Radio transceiver capable of avoiding intermodulation distortion HK139893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63202019A JP2546347B2 (ja) 1988-08-15 1988-08-15 無線送受信装置

Publications (1)

Publication Number Publication Date
HK139893A true HK139893A (en) 1993-12-31

Family

ID=16450576

Family Applications (1)

Application Number Title Priority Date Filing Date
HK1398/93A HK139893A (en) 1988-08-15 1993-12-23 Radio transceiver capable of avoiding intermodulation distortion

Country Status (5)

Country Link
US (1) US5428824A (xx)
JP (1) JP2546347B2 (xx)
AU (1) AU625760B2 (xx)
GB (1) GB2223146B (xx)
HK (1) HK139893A (xx)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03145346A (ja) * 1989-10-31 1991-06-20 Nec Corp 自動車電話システム
JPH0437317A (ja) * 1990-06-01 1992-02-07 Toyo Commun Equip Co Ltd 受信機の感度抑圧防止及び混信防止方法
JP2725480B2 (ja) * 1991-06-25 1998-03-11 日本電気株式会社 無線選択呼出受信機
JP3067308B2 (ja) * 1991-08-28 2000-07-17 日本電気株式会社 セルラー受信機
BR9405417A (pt) * 1993-06-07 1999-09-08 Radio Local Area Networks Inc Controlador de interligação de rede, métodos de designar um nó mestre em uma rede, de mudar a frequência em uma rede, de escolher um nìvel de força de transmissão ótimo para um primeiro nó e de transmitir uma pluralidade de pacotes de dados
WO1995001676A1 (en) * 1993-07-02 1995-01-12 Motorola, Inc. Radio frequency amplifier with variable gain control
JPH0738271A (ja) * 1993-07-16 1995-02-07 Nec Kansai Ltd 送受信回路モジュール
US5590411A (en) * 1995-01-10 1996-12-31 Nokia Mobile Phones Ltd. Method and apparatus for suppressing spurious third-order responses in transceivers
US6327245B1 (en) * 1995-06-30 2001-12-04 Philips Electronics North America Corporation Automatic channel switching for jamming avoidance in burst-mode packet data wireless communication networks
US5940143A (en) * 1995-10-06 1999-08-17 Hitachi, Ltd. High-definition television signal receiving apparatus and gain control circuit thereof
WO1997016012A1 (en) * 1995-10-23 1997-05-01 Momentum Microsystems, Inc. Broadband, low power fm/fsk transceiver for wireless communications systems
US6163568A (en) * 1995-10-23 2000-12-19 Simtek Corporation Broadband, low power FM/FSK transceiver for wireless communications systems
US7444126B1 (en) * 1995-12-22 2008-10-28 Microtune (Texas), L.P. Signal-to-noise optimized fully monolithic video receiver IF channel
US5761614A (en) * 1996-03-22 1998-06-02 Ericsson Inc. Automated system and method for optimizing receive system performance
US5976573A (en) * 1996-07-03 1999-11-02 Rorer Pharmaceutical Products Inc. Aqueous-based pharmaceutical composition
MXPA99003034A (es) * 1996-09-30 2005-07-25 Qualcomm Inc Metodo y aparato para incrementar la inmunidad a la interferencia de un receptor.
WO1998058447A1 (en) * 1997-06-19 1998-12-23 Maxon Systems Inc. (London) Ltd. Transceiver stage for a mobile telecommunications unit
CN1103135C (zh) * 1997-09-30 2003-03-12 夸尔柯姆股份有限公司 用于增加接收机抗干扰性的方法和装置
US6072824A (en) * 1998-01-23 2000-06-06 Adc Solitra, Inc. Circuit arrangement for reducing intermodulation in a bandpass filter system
US5977835A (en) * 1998-02-06 1999-11-02 Adc Telecommunications, Inc. Method and circuit arrangement for reducing passband ripple of a bandpass filter
JP3415431B2 (ja) * 1998-03-20 2003-06-09 株式会社東芝 無線送受信機とその受信高周波ユニット及び制御ユニット
JP3369480B2 (ja) * 1998-07-31 2003-01-20 松下電器産業株式会社 無線回路装置
GB2339646A (en) 1998-07-15 2000-02-02 Ericsson Telefon Ab L M Reduction of Interference between Radio Links
US6311048B1 (en) * 1998-09-24 2001-10-30 Aravind Loke Intelligent control of receiver linearity based on interference
EP1067698B1 (en) * 1999-06-30 2005-11-30 Siemens Aktiengesellschaft Receiver comprising intermodulation interference detection means
DE69925259T2 (de) 1999-06-30 2006-02-23 Siemens Ag Empfänger mit rückkopplungsschaltung für die verstärkungregelung
US6992990B2 (en) 2000-07-17 2006-01-31 Sony Corporation Radio communication apparatus
DE10056877B4 (de) * 2000-11-16 2006-08-10 Robert Bosch Gmbh Empfängerempfindlichkeit
JP4045978B2 (ja) * 2003-02-25 2008-02-13 松下電器産業株式会社 デジタル信号送受信機
US7425995B2 (en) * 2003-02-28 2008-09-16 Silicon Laboratories, Inc. Tuner using a direct digital frequency synthesizer, television receiver using such a tuner, and method therefor
US7447493B2 (en) * 2003-02-28 2008-11-04 Silicon Laboratories, Inc. Tuner suitable for integration and method for tuning a radio frequency signal
JP4606864B2 (ja) * 2004-12-10 2011-01-05 パイオニア株式会社 Ａｇｃ回路および制御方法
JP2007129576A (ja) * 2005-11-04 2007-05-24 Mitsubishi Electric Corp 移動受信端末装置
EP3477858B1 (en) * 2017-10-26 2022-10-05 Nxp B.V. Automatic gain controller

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE513414A (xx) * 1951-09-12
GB793736A (en) * 1955-03-01 1958-04-23 Internat Marine Radio Company Radio receiver
US3428900A (en) * 1965-11-26 1969-02-18 Rca Corp Distributed feedback frequency compression in frequency modulation reception
US3729681A (en) * 1971-08-02 1973-04-24 Gen Electric Receiver selecting arrangement
JPS5325446B2 (xx) * 1972-11-13 1978-07-27
US4052673A (en) * 1976-08-30 1977-10-04 Rca Corporation Combined controlled oscillator and frequency multiplier
JPS5643809A (en) * 1979-09-19 1981-04-22 Hitachi Ltd Automatic gain controller
CA1196966A (en) * 1982-03-23 1985-11-19 Kouzou Kage Interference wave detection circuit for use in radio receiver
JPS60160731A (ja) * 1984-02-01 1985-08-22 Fujitsu Ten Ltd 受信機の相互変調妨害軽減器
US4654884A (en) * 1984-05-10 1987-03-31 Alps Electric Co., Ltd. Radio receiver with switching circuit for elimination of intermodulation interference
SU1374435A1 (ru) * 1986-06-02 1988-02-15 Войсковая Часть 25871 Устройство дл переключени каналов св зи
JPH01129620A (ja) * 1987-11-16 1989-05-22 Sanyo Electric Co Ltd ラジオ受信機

Also Published As

Publication number Publication date
AU3993589A (en) 1990-02-22
AU625760B2 (en) 1992-07-16
GB2223146B (en) 1993-04-14
JP2546347B2 (ja) 1996-10-23
JPH0251913A (ja) 1990-02-21
GB2223146A (en) 1990-03-28
GB8918547D0 (en) 1989-09-27
US5428824A (en) 1995-06-27

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)