CN1452808A - 具自动增益控制机动射频接收器的接收器电路 - Google Patents
具自动增益控制机动射频接收器的接收器电路 Download PDFInfo
- Publication number
- CN1452808A CN1452808A CN01815217A CN01815217A CN1452808A CN 1452808 A CN1452808 A CN 1452808A CN 01815217 A CN01815217 A CN 01815217A CN 01815217 A CN01815217 A CN 01815217A CN 1452808 A CN1452808 A CN 1452808A
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- Prior art keywords
- signal
- pgc
- channel
- signal strength
- amplifier
- Prior art date
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- Granted
Links
- 230000003321 amplification Effects 0.000 title abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 title abstract description 8
- 238000000034 method Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 10
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 6
- 230000008034 disappearance Effects 0.000 description 5
- 230000008030 elimination Effects 0.000 description 5
- 238000003379 elimination reaction Methods 0.000 description 5
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- 238000004088 simulation Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
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- 230000008054 signal transmission Effects 0.000 description 1
Images
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
- H03G3/3089—Control of digital or coded signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/001—Digital control of analog signals
-
- 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
Landscapes
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10043744A DE10043744C1 (de) | 2000-09-05 | 2000-09-05 | Empfangsschaltung für Mobilfunkempfänger mit automatischer Verstärkungssteuerung |
DE10043744.3 | 2000-09-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1452808A true CN1452808A (zh) | 2003-10-29 |
CN1223160C CN1223160C (zh) | 2005-10-12 |
Family
ID=7655068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018152171A Expired - Fee Related CN1223160C (zh) | 2000-09-05 | 2001-08-21 | 具自动增益控制机动射频接收器的接收器电路 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7099641B2 (zh) |
EP (1) | EP1374397B1 (zh) |
JP (1) | JP3756149B2 (zh) |
CN (1) | CN1223160C (zh) |
AT (1) | ATE356470T1 (zh) |
DE (2) | DE10043744C1 (zh) |
WO (1) | WO2002021686A2 (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6873832B2 (en) * | 2001-09-28 | 2005-03-29 | Broadcom Corporation | Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
GB0307325D0 (en) * | 2003-03-29 | 2003-05-07 | Pace Micro Tech Plc | Apparatus and method for the avoidance of RF interference |
KR100519806B1 (ko) * | 2003-10-07 | 2005-10-11 | 한국전자통신연구원 | 초광대역 전송 시스템의 수신신호 전력 제어 방법 |
DE102004021867B4 (de) * | 2004-05-04 | 2012-02-16 | Infineon Technologies Ag | Verfahren zur Signalverarbeitung, insbesondere in einem Hochfrequenzempfänger und Signalaufbereitungsschaltung |
DE102004025472A1 (de) * | 2004-05-21 | 2005-12-15 | Micronas Gmbh | Verfahren bzw. Datenverarbeitungsvorrichtung zum Verarbeiten von digitalen Daten eines Signals |
US7405683B1 (en) | 2004-05-27 | 2008-07-29 | Cypress Semiconductor Corporation | Extending the dynamic range in an energy measurement device |
GB0423708D0 (en) | 2004-10-26 | 2004-11-24 | Koninkl Philips Electronics Nv | Adapting filter to detected interference level |
EP1653647B1 (en) * | 2004-10-28 | 2011-07-27 | Advanced Digital Broadcast S.A. | Signal receiver and method for optimizing gain of a tuner |
US7460890B2 (en) * | 2005-07-28 | 2008-12-02 | Texas Instruments Incorporated | Bi-modal RF architecture for low power devices |
WO2007022417A2 (en) | 2005-08-18 | 2007-02-22 | Wionics Research | Automatic gain control for frequency-hopped ofdm |
US7689217B2 (en) * | 2007-03-30 | 2010-03-30 | Motorola, Inc. | Radio receiver having a multi-state variable threshold automatic gain control (AGC) for fast channel scanning acquisition and mehtod for using same |
ES2436768T3 (es) * | 2007-05-15 | 2014-01-07 | Alcatel Lucent | Procedimiento de ajuste de una ganancia de un receptor de radiofrecuencia |
TWI385916B (zh) * | 2008-07-18 | 2013-02-11 | Airoha Tech Corp | 無線接收器之增益控制電路 |
US8005431B2 (en) * | 2008-09-15 | 2011-08-23 | Sony Ericsson Mobile Communications Ab | Controlling attenuation of an antenna signal in a communication terminal to reestablish a lost communication link |
US8600331B2 (en) | 2012-04-11 | 2013-12-03 | Black Berry Limited | Radio receiver with reconfigurable baseband channel filter |
EP2755341B1 (en) * | 2013-01-11 | 2016-01-06 | Telefonaktiebolaget L M Ericsson (publ) | Timing for radio reconfiguration |
US9603109B2 (en) | 2013-09-11 | 2017-03-21 | Qualcomm Incorporated | Using short range discovery to predict the AGC setting for long range discovery |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5643809A (en) * | 1979-09-19 | 1981-04-22 | Hitachi Ltd | Automatic gain controller |
EP0213224B1 (en) * | 1985-08-28 | 1990-04-11 | International Business Machines Corporation | Method for rapid gain acquisition in a modem receiver |
JPS6253526A (ja) | 1985-09-03 | 1987-03-09 | Mitsubishi Electric Corp | 自動利得制御装置 |
EP0645063B1 (en) * | 1992-06-08 | 2002-06-12 | Motorola, Inc. | Receiver automatic gain control |
ZA95605B (en) * | 1994-04-28 | 1995-12-20 | Qualcomm Inc | Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver |
US5982821A (en) * | 1996-01-16 | 1999-11-09 | L-3 Communications | Frequency discriminator and method and receiver incorporating same |
JP3688395B2 (ja) * | 1996-06-04 | 2005-08-24 | 松下電器産業株式会社 | Tdmaデータ受信装置 |
US5907798A (en) * | 1996-06-21 | 1999-05-25 | Lucent Technologies Inc. | Wireless telephone intermodulation performance enhancement techniques |
US5867063A (en) * | 1996-12-05 | 1999-02-02 | Motorola, Inc. | Gain distribution circuit |
US6009129A (en) * | 1997-02-28 | 1999-12-28 | Nokia Mobile Phones | Device and method for detection and reduction of intermodulation distortion |
WO1998053579A1 (en) * | 1997-05-23 | 1998-11-26 | Koninklijke Philips Electronics N.V. | Receiver with controllable amplifier means |
US6002352A (en) * | 1997-06-24 | 1999-12-14 | International Business Machines Corporation | Method of sampling, downconverting, and digitizing a bandpass signal using a digital predictive coder |
JPH11112461A (ja) * | 1997-08-05 | 1999-04-23 | Sony Corp | デジタル通信の受信機 |
JPH11136154A (ja) * | 1997-10-31 | 1999-05-21 | Sony Corp | 受信装置 |
JPH11145858A (ja) | 1997-11-04 | 1999-05-28 | Nec Shizuoka Ltd | 無線受信機と無線選択呼出受信機 |
JP3536629B2 (ja) * | 1997-11-21 | 2004-06-14 | 松下電器産業株式会社 | ディジタル信号受信装置 |
US6005506A (en) | 1997-12-09 | 1999-12-21 | Qualcomm, Incorporated | Receiver with sigma-delta analog-to-digital converter for sampling a received signal |
US6212244B1 (en) * | 1998-01-09 | 2001-04-03 | Golden Bridge Technology, Inc. | Fast response automatic gain control |
JPH11220346A (ja) * | 1998-02-02 | 1999-08-10 | Fujitsu Ltd | 自動利得制御回路 |
DE19804922A1 (de) * | 1998-02-07 | 1999-08-12 | Grundig Ag | Verfahren und Vorrichtung zur Regelung der Verstärkung in einem Signalverarbeitungssystem |
JP3411208B2 (ja) | 1998-03-13 | 2003-05-26 | 富士通株式会社 | デジタル無線受信装置 |
US6434186B2 (en) * | 1998-03-27 | 2002-08-13 | Nokia Mobile Phones Limited | Priority channel search based on spectral analysis and signal recognition |
JP3314723B2 (ja) * | 1998-06-10 | 2002-08-12 | 日本電気株式会社 | ディジタル自動利得制御用リニアライザ及びこれを用いたディジタル自動利得制御回路 |
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 |
US6563891B1 (en) * | 1998-11-24 | 2003-05-13 | Telefonaktiebolaget L M Ericsson (Publ) | Automatic gain control for slotted mode operation |
US6314278B1 (en) * | 1998-12-30 | 2001-11-06 | Uniden America Corporation | Adjusting gain in a receiver using received signal sample values |
US7035328B2 (en) * | 1999-02-08 | 2006-04-25 | Sunil Shukla | Method of slewing a digital filter providing filter sections with matched gain |
US6571083B1 (en) * | 1999-05-05 | 2003-05-27 | Motorola, Inc. | Method and apparatus for automatic simulcast correction for a correlation detector |
JP3551841B2 (ja) * | 1999-06-09 | 2004-08-11 | 日本電気株式会社 | 受信機及びその利得制御方法 |
US6363127B1 (en) * | 1999-06-23 | 2002-03-26 | At&T Wireless Services, Inc. | Automatic gain control methods and apparatus suitable for use in OFDM receivers |
US6442380B1 (en) * | 1999-12-22 | 2002-08-27 | U.S. Philips Corporation | Automatic gain control in a zero intermediate frequency radio device |
US6321073B1 (en) * | 2000-01-31 | 2001-11-20 | Motorola, Inc. | Radiotelephone receiver and method with improved dynamic range and DC offset correction |
US6654594B1 (en) | 2000-05-30 | 2003-11-25 | Motorola, Inc. | Digitized automatic gain control system and methods for a controlled gain receiver |
-
2000
- 2000-09-05 DE DE10043744A patent/DE10043744C1/de not_active Expired - Fee Related
-
2001
- 2001-08-21 EP EP01962670A patent/EP1374397B1/de not_active Expired - Lifetime
- 2001-08-21 JP JP2002525991A patent/JP3756149B2/ja not_active Expired - Fee Related
- 2001-08-21 AT AT01962670T patent/ATE356470T1/de not_active IP Right Cessation
- 2001-08-21 CN CNB018152171A patent/CN1223160C/zh not_active Expired - Fee Related
- 2001-08-21 WO PCT/DE2001/003233 patent/WO2002021686A2/de active IP Right Grant
- 2001-08-21 DE DE50112172T patent/DE50112172D1/de not_active Expired - Lifetime
-
2003
- 2003-03-05 US US10/382,192 patent/US7099641B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2002021686A2 (de) | 2002-03-14 |
US20030157910A1 (en) | 2003-08-21 |
WO2002021686A3 (de) | 2002-11-28 |
CN1223160C (zh) | 2005-10-12 |
ATE356470T1 (de) | 2007-03-15 |
EP1374397B1 (de) | 2007-03-07 |
US7099641B2 (en) | 2006-08-29 |
JP2004508762A (ja) | 2004-03-18 |
JP3756149B2 (ja) | 2006-03-15 |
EP1374397A2 (de) | 2004-01-02 |
DE50112172D1 (de) | 2007-04-19 |
DE10043744C1 (de) | 2002-07-11 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: INFENNIAN TECHNOLOGIES AG Effective date: 20120615 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INTEL MOBILE COMMUNICATIONS LTD. Free format text: FORMER NAME: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Owner name: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Free format text: FORMER NAME: INFINEON TECHNOLOGIES AG |
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CP01 | Change in the name or title of a patent holder |
Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Infineon Technologies AG Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
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TR01 | Transfer of patent right |
Effective date of registration: 20120615 Address after: Neubiberg, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051012 Termination date: 20160821 |
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CF01 | Termination of patent right due to non-payment of annual fee |