CN1685608A - 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
- CN1685608A CN1685608A CNA038227274A CN03822727A CN1685608A CN 1685608 A CN1685608 A CN 1685608A CN A038227274 A CNA038227274 A CN A038227274A CN 03822727 A CN03822727 A CN 03822727A CN 1685608 A CN1685608 A CN 1685608A
- Authority
- CN
- China
- Prior art keywords
- level
- gain
- equipment
- 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.)
- Granted
Links
Images
Classifications
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- 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
F(MHz) | AGC1(dB) | AGC2(dB) | AGC3(dB) | AGC4(dB) | |||||||||||
4 | 8 | 12 | -6 | -2 | 2 | 6 | 10 | 14 | -8 | -4 | 0 | -6 | -3 | 0 | |
0<X<420 | 4.1 | 8.1 | 12 | -5.7 | -1.7 | 2.3 | 6.3 | 10.2 | 14 | -7.8 | -3.8 | 0 | -5.8 | -2.9 | 0 |
420<X<840 | 3.9 | 7.9 | 12 | -5.9 | -2 | 2 | 6.2 | 10.1 | 14 | -7.7 | -3.9 | 0 | -5.8 | -2.9 | 0 |
X>840 | 4.5 | 8.2 | 12 | -4.8 | -1 | 2.9 | 6.9 | 10.7 | 14 | -7.3 | -3.5 | 0 | -5.8 | -2.9 | 0 |
Claims (10)
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 true CN1685608A (zh) | 2005-10-19 |
CN100525088C 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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101401300B (zh) * | 2006-03-09 | 2012-03-21 | Nxp股份有限公司 | 放大级 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006028699A2 (en) * | 2004-09-01 | 2006-03-16 | Wms Gaming Inc. | Gaming machine having electrophoretic displays and method thereof |
WO2008052200A2 (en) * | 2006-10-26 | 2008-05-02 | Qualcomm Incorporated | Method and apparatus for packet detection 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 |
WO2002059825A1 (fr) * | 2001-01-26 | 2002-08-01 | Fujitsu Limited | Procede et dispositif de lecture d'informations, procede de capture de signaux pour dispositif de lecture d'informations, procede de limitation de bande destine a cet effet, procede d'extraction d'amplitude du point de chronometrage et procede de traitement de signaux destines a cet effet, unite de traitement de signaux de |
-
2003
- 2003-09-15 AT AT03798292T patent/ATE403268T1/de not_active IP Right Cessation
- 2003-09-15 EP EP03798292A patent/EP1547242B1/en not_active Expired - Lifetime
- 2003-09-15 DE DE60322555T patent/DE60322555D1/de not_active Expired - Lifetime
- 2003-09-15 WO PCT/IB2003/004054 patent/WO2004030247A2/en active IP Right Grant
- 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 CN CNB038227274A patent/CN100525088C/zh not_active Expired - Fee Related
- 2003-09-15 JP JP2004539311A patent/JP2006500854A/ja active Pending
- 2003-09-15 US US10/528,739 patent/US20060014508A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101401300B (zh) * | 2006-03-09 | 2012-03-21 | Nxp股份有限公司 | 放大级 |
Also Published As
Publication number | Publication date |
---|---|
EP1547242B1 (en) | 2008-07-30 |
CN100525088C (zh) | 2009-08-05 |
ATE403268T1 (de) | 2008-08-15 |
AU2003260861A1 (en) | 2004-04-19 |
DE60322555D1 (de) | 2008-09-11 |
EP1547242A2 (en) | 2005-06-29 |
WO2004030247A2 (en) | 2004-04-08 |
KR20050072419A (ko) | 2005-07-11 |
WO2004030247A3 (en) | 2004-11-04 |
JP2006500854A (ja) | 2006-01-05 |
US20060014508A1 (en) | 2006-01-19 |
AU2003260861A8 (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 |