[go: up one dir, main page]

SE9601620L - Anpassningsbar radiomottagarapparat - Google Patents

Anpassningsbar radiomottagarapparat

Info

Publication number
SE9601620L
SE9601620L SE9601620A SE9601620A SE9601620L SE 9601620 L SE9601620 L SE 9601620L SE 9601620 A SE9601620 A SE 9601620A SE 9601620 A SE9601620 A SE 9601620A SE 9601620 L SE9601620 L SE 9601620L
Authority
SE
Sweden
Prior art keywords
operating parameters
receiver
controllable
receiver apparatus
radio receiver
Prior art date
Application number
SE9601620A
Other languages
Unknown language ( )
English (en)
Other versions
SE9601620D0 (sv
Inventor
Torbjoern Johnson
Jens Malmgren
Original Assignee
Radio Design Innovation Tj Ab
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 Radio Design Innovation Tj Ab filed Critical Radio Design Innovation Tj Ab
Priority to SE9601620A priority Critical patent/SE9601620L/sv
Publication of SE9601620D0 publication Critical patent/SE9601620D0/sv
Priority to EP97915810A priority patent/EP0956649A1/en
Priority to AU23140/97A priority patent/AU2314097A/en
Priority to JP9538783A priority patent/JP2000509231A/ja
Priority to PCT/SE1997/000504 priority patent/WO1997041643A1/en
Publication of SE9601620L publication Critical patent/SE9601620L/sv

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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • 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
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal

Landscapes

  • Amplifiers (AREA)
  • Circuits Of Receivers In General (AREA)
SE9601620A 1996-04-29 1996-04-29 Anpassningsbar radiomottagarapparat SE9601620L (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9601620A SE9601620L (sv) 1996-04-29 1996-04-29 Anpassningsbar radiomottagarapparat
EP97915810A EP0956649A1 (en) 1996-04-29 1997-03-24 Adaptive radio receiver apparatus
AU23140/97A AU2314097A (en) 1996-04-29 1997-03-24 Adaptive radio receiver apparatus
JP9538783A JP2000509231A (ja) 1996-04-29 1997-03-24 適応無線受信装置
PCT/SE1997/000504 WO1997041643A1 (en) 1996-04-29 1997-03-24 Adaptive radio receiver apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9601620A SE9601620L (sv) 1996-04-29 1996-04-29 Anpassningsbar radiomottagarapparat

Publications (2)

Publication Number Publication Date
SE9601620D0 SE9601620D0 (sv) 1996-04-29
SE9601620L true SE9601620L (sv) 1997-10-30

Family

ID=20402376

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9601620A SE9601620L (sv) 1996-04-29 1996-04-29 Anpassningsbar radiomottagarapparat

Country Status (5)

Country Link
EP (1) EP0956649A1 (sv)
JP (1) JP2000509231A (sv)
AU (1) AU2314097A (sv)
SE (1) SE9601620L (sv)
WO (1) WO1997041643A1 (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19801993A1 (de) * 1998-01-20 1999-07-22 Siemens Ag Mobiltelefon und Verfahren zum Betreiben eines Mobiltelefons
DE19829500A1 (de) * 1998-07-02 2000-01-13 Thomson Brandt Gmbh Verfahren zur Verbesserung des Nutzsignals in einer Funkempfangseinheit
US6107878A (en) * 1998-08-06 2000-08-22 Qualcomm Incorporated Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power
US6487419B1 (en) * 1998-08-06 2002-11-26 Ericsson Inc. Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device
US6374083B1 (en) * 1999-03-01 2002-04-16 Nokia Corporation Apparatus, and associated method, for selectively modifying characteristics of the receive signal received at a receiving station
AU2002232654A1 (en) * 2000-12-28 2002-07-16 Conductus, Inc. Method and apparatus for adaptive gain control of rf telecommunication system
CN1251415C (zh) 2001-01-12 2006-04-12 高通股份有限公司 直接变换数字域控制
US6694129B2 (en) 2001-01-12 2004-02-17 Qualcomm, Incorporated Direct conversion digital domain control
US7299021B2 (en) * 2001-12-28 2007-11-20 Nokia Corporation Method and apparatus for scaling the dynamic range of a receiver for continuously optimizing performance versus power consumption
EP1742374A1 (en) * 2001-12-28 2007-01-10 Nokia Corporation Method and apparatus for scaling the dynamic range of a receiver
JP2004088372A (ja) 2002-08-27 2004-03-18 Renesas Technology Corp 受信機及びそれを用いた無線通信端末機器
CN100344189C (zh) * 2004-11-10 2007-10-17 郑长春 3g移动通信网基站上下行功率放大分列式组合单元
EP1710920A1 (en) * 2005-04-06 2006-10-11 Telefonaktiebolaget LM Ericsson (publ) Receiving modulated radio signals
US8838056B2 (en) 2011-06-28 2014-09-16 Xilinx, Inc. Receiver circuit
US9571037B2 (en) 2014-10-31 2017-02-14 Skyworks Solutions, Inc. Diversity receiver front end system with impedance matching components
US9893752B2 (en) 2014-10-31 2018-02-13 Skyworks Solutions, Inc. Diversity receiver front end system with variable-gain amplifiers
US10050694B2 (en) 2014-10-31 2018-08-14 Skyworks Solution, Inc. Diversity receiver front end system with post-amplifier filters
US10009054B2 (en) 2015-05-28 2018-06-26 Skyworks Solutions, Inc. Impedance matching integrous signal combiner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230334A (ja) * 1983-06-13 1984-12-24 Fujitsu Ltd 空間ダイバ−シチ受信方式
CA1319956C (en) * 1987-02-21 1993-07-06 Hirosada Atsuta Radio receiver with a received input level monitoring circuit
US5267272A (en) * 1988-10-24 1993-11-30 Hughes Aircraft Company Receiver automatic gain control (AGC)
FI83715C (sv) * 1989-09-25 1991-08-12 Nokia Mobile Phones Ltd Logikstyrd intrimning och kompensation av signalnivåer och deviationer i en radiotelefon
US4980656A (en) * 1989-12-01 1990-12-25 Motorola, Inc. Active input impedance tuner for compensating for power loss
FR2662879B1 (fr) * 1990-05-30 1994-03-25 Alcatel Cit Procede de maintenance centralisee, pour un reseau de telephone sans fil.
US5321849A (en) * 1991-05-22 1994-06-14 Southwestern Bell Technology Resources, Inc. System for controlling signal level at both ends of a transmission link based on a detected valve
GB2287157B (en) * 1994-02-02 1998-03-25 Nokia Telecommunications Oy Telecommunications systems

Also Published As

Publication number Publication date
JP2000509231A (ja) 2000-07-18
EP0956649A1 (en) 1999-11-17
SE9601620D0 (sv) 1996-04-29
AU2314097A (en) 1997-11-19
WO1997041643A1 (en) 1997-11-06

Similar Documents

Publication Publication Date Title
SE9601620L (sv) Anpassningsbar radiomottagarapparat
RU2212093C2 (ru) Схема автоматической регулировки усиления для управления несколькими каскадами усилителей с регулируемым усилением при выработке оценки принимаемой мощности сигнала
RU2168860C2 (ru) Радиочастотная приемопередающая система для цифровой связи
US6313698B1 (en) Method and apparatus for wireless phone transmit power amplification with reduced power consumption
WO1997044972A3 (en) Cellular system signal conditioner
BR0011635A (pt) Ajustado a potência máxima de transmissão para manter margem constante para rejeição de potência de canal adjacente
CA2189718A1 (en) Power amplifier system with variable output
KR980007114A (ko) 듀얼 모드 셀룰러 전화 시스템
SE9903967L (sv) Effektstyrning för trådlösa kommunikationssystem
JP2003517251A (ja) ２つの送信アンテナを有する移動通信装置
MY115391A (en) Spread spectrum adaptive power control system and method
KR19980070445A (ko) 전력 제어 회로 및 이동 전화의 전력 효율을 향상시키는 방법
SE0103683D0 (sv) Method and arrangement in a communication system
GB2347288B (en) Transmission power control in radio communication
KR100251560B1 (ko) 부호분할 다중 접속방식 단말기의 외부 간섭신호 제거장치
GB2327308A (en) Controlling the drain voltages of a two-stage FET rf amplifier to control the ouput level and improve efficiency
ATE228734T1 (de) Kanalselektiver wiederholer fur mobiles telefonsystem
EP1460767A1 (en) Radio transmitter
GB2316561A (en) Improving the efficiency of a power amplifier by selecting stored values of supply and/or bias voltage in dependence on measured output power
AU761004B2 (en) Method and apparatus for desensitization of a wireless receiver
JPH07283783A (ja) 無線通信システム
GB2362523A (en) A transceiver with the bias of an amplifier in the receiver controlled by a baseband processor
JPH0537409A (ja) 移動通信装置
JP2001119756A (ja) 発着呼規制装置および発着呼規制方法
US6687490B2 (en) Transmission apparatus and method for a mobile communication terminal

Legal Events

Date Code Title Description
NAV Patent application has lapsed