CN100525088C - 用于确定要提供给接收系统的输入信号电平的设备和方法 - Google Patents
用于确定要提供给接收系统的输入信号电平的设备和方法 Download PDFInfo
- Publication number
- CN100525088C CN100525088C CNB038227274A CN03822727A CN100525088C CN 100525088 C CN100525088 C CN 100525088C CN B038227274 A CNB038227274 A CN B038227274A CN 03822727 A CN03822727 A CN 03822727A CN 100525088 C CN100525088 C CN 100525088C
- Authority
- CN
- China
- Prior art keywords
- level
- gain
- selective filter
- output signal
- receiving system
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- 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 without distortion of the input signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- 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
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0211838 | 2002-09-25 | ||
FR0211838 | 2002-09-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1685608A CN1685608A (zh) | 2005-10-19 |
CN100525088C true CN100525088C (zh) | 2009-08-05 |
Family
ID=32039550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038227274A Expired - Fee Related CN100525088C (zh) | 2002-09-25 | 2003-09-15 | 用于确定要提供给接收系统的输入信号电平的设备和方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060014508A1 (zh) |
EP (1) | EP1547242B1 (zh) |
JP (1) | JP2006500854A (zh) |
KR (1) | KR20050072419A (zh) |
CN (1) | CN100525088C (zh) |
AT (1) | ATE403268T1 (zh) |
AU (1) | AU2003260861A1 (zh) |
DE (1) | DE60322555D1 (zh) |
WO (1) | WO2004030247A2 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080248854A1 (en) * | 2004-09-01 | 2008-10-09 | Rasmussen James M | Gaming Machine Having Electrophoretic Displays and Method Thereof |
WO2007102132A1 (en) * | 2006-03-09 | 2007-09-13 | Nxp B.V. | Amplification stage |
WO2008052196A1 (en) * | 2006-10-26 | 2008-05-02 | Qualcomm Incorporated | Method and apparatus for symbol timing estimation in a wireless communications system |
US8184206B2 (en) | 2006-11-07 | 2012-05-22 | Csr Technology Inc. | Pseudo digital gain control for broadband tuner |
DE102007024013B8 (de) * | 2007-05-22 | 2009-04-16 | Atmel Germany Gmbh | Signalverarbeitungsvorrichtung und Signalverarbeitungsverfahren |
US20090031485A1 (en) * | 2007-07-30 | 2009-02-05 | Robert Prusinski | Face Shield for Safety Helmet |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62126236A (ja) * | 1985-11-22 | 1987-06-08 | Honda Motor Co Ltd | 内燃エンジン用燃料供給装置の空燃比制御方法 |
US4932075A (en) * | 1986-07-03 | 1990-06-05 | Hughes Aircraft Company | High speed wide range variable rate power detector |
US4855689A (en) * | 1987-02-13 | 1989-08-08 | Hughes Aircraft Company | Phase lock loop with switchable filter for acquisition and tracking modes |
US5129098A (en) * | 1990-09-24 | 1992-07-07 | Novatel Communication Ltd. | Radio telephone using received signal strength in controlling transmission power |
US6018650A (en) * | 1996-12-18 | 2000-01-25 | Aironet Wireless Communications, Inc. | Cellular communication devices with automated power level adjust |
US6118811A (en) * | 1997-07-31 | 2000-09-12 | Raytheon Company | Self-calibrating, self-correcting transceivers and methods |
JPH11331288A (ja) * | 1998-05-20 | 1999-11-30 | Fujitsu General Ltd | 復調装置 |
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 |
US6353364B1 (en) * | 1998-12-22 | 2002-03-05 | Ericsson Inc. | Digitally gain controllable amplifiers with analog gain control input, on-chip decoder and programmable gain distribution |
JP4328526B2 (ja) * | 2001-01-26 | 2009-09-09 | 富士通株式会社 | 情報読取の方法および装置,情報読取装置の信号取込方法,帯域制限処理方法,タイミング点振幅抽出方法および信号処理方法,読取信号処理ユニットならびに読取信号の処理方法および処理装置 |
-
2003
- 2003-09-15 KR KR1020057005029A patent/KR20050072419A/ko not_active Application Discontinuation
- 2003-09-15 AU AU2003260861A patent/AU2003260861A1/en not_active Abandoned
- 2003-09-15 JP JP2004539311A patent/JP2006500854A/ja active Pending
- 2003-09-15 US US10/528,739 patent/US20060014508A1/en not_active Abandoned
- 2003-09-15 AT AT03798292T patent/ATE403268T1/de not_active IP Right Cessation
- 2003-09-15 WO PCT/IB2003/004054 patent/WO2004030247A2/en active IP Right Grant
- 2003-09-15 EP EP03798292A patent/EP1547242B1/en not_active Expired - Lifetime
- 2003-09-15 CN CNB038227274A patent/CN100525088C/zh not_active Expired - Fee Related
- 2003-09-15 DE DE60322555T patent/DE60322555D1/de not_active Expired - Lifetime
Non-Patent Citations (2)
Title |
---|
分贝与放大倍数的换算. 安秋顺.电测与仪表,第3期. 1976 |
分贝与放大倍数的换算. 安秋顺.电测与仪表,第3期. 1976 * |
Also Published As
Publication number | Publication date |
---|---|
DE60322555D1 (de) | 2008-09-11 |
JP2006500854A (ja) | 2006-01-05 |
EP1547242A2 (en) | 2005-06-29 |
WO2004030247A2 (en) | 2004-04-08 |
WO2004030247A3 (en) | 2004-11-04 |
KR20050072419A (ko) | 2005-07-11 |
ATE403268T1 (de) | 2008-08-15 |
CN1685608A (zh) | 2005-10-19 |
AU2003260861A8 (en) | 2004-04-19 |
EP1547242B1 (en) | 2008-07-30 |
US20060014508A1 (en) | 2006-01-19 |
AU2003260861A1 (en) | 2004-04-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070907 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070907 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20100915 |