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
- determining
- output signal
- input signal
- 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
- 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
- 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
-
- 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
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Dc Digital Transmission (AREA)
- Details Of Television Systems (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
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 (https=) |
| EP (1) | EP1547242B1 (https=) |
| JP (1) | JP2006500854A (https=) |
| KR (1) | KR20050072419A (https=) |
| CN (1) | CN100525088C (https=) |
| AT (1) | ATE403268T1 (https=) |
| AU (1) | AU2003260861A1 (https=) |
| DE (1) | DE60322555D1 (https=) |
| WO (1) | WO2004030247A2 (https=) |
Families Citing this family (6)
| 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 |
| JP2009529821A (ja) * | 2006-03-09 | 2009-08-20 | エヌエックスピー ビー ヴィ | 増幅段 |
| KR101140053B1 (ko) | 2006-10-26 | 2012-05-02 | 콸콤 인코포레이티드 | 무선 통신 시스템에서의 반송파 주파수 오프셋 추정 및 프레임 동기화를 위한 방법 및 장치 |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6044253A (en) * | 1996-09-19 | 2000-03-28 | Nec Corporation | Method and apparatus using first and second variable gain control circuits to reduce cross modulation in a radio receiver |
| EP0913703B1 (en) * | 1993-12-07 | 2002-08-14 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic diagnostic apparatus |
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 |
| KR100715754B1 (ko) * | 2001-01-26 | 2007-05-08 | 후지쯔 가부시끼가이샤 | 정보 판독 방법 및 장치 |
-
2003
- 2003-09-15 DE DE60322555T patent/DE60322555D1/de not_active Expired - Lifetime
- 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 EP EP03798292A patent/EP1547242B1/en not_active Expired - Lifetime
- 2003-09-15 AU AU2003260861A patent/AU2003260861A1/en not_active Abandoned
- 2003-09-15 AT AT03798292T patent/ATE403268T1/de not_active IP Right Cessation
- 2003-09-15 US US10/528,739 patent/US20060014508A1/en not_active Abandoned
- 2003-09-15 WO PCT/IB2003/004054 patent/WO2004030247A2/en not_active Ceased
- 2003-09-15 KR KR1020057005029A patent/KR20050072419A/ko not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0913703B1 (en) * | 1993-12-07 | 2002-08-14 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic diagnostic apparatus |
| US6044253A (en) * | 1996-09-19 | 2000-03-28 | Nec Corporation | Method and apparatus using first and second variable gain control circuits to reduce cross modulation in a radio receiver |
Non-Patent Citations (1)
| Title |
|---|
| 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 |
| AU2003260861A8 (en) | 2004-04-19 |
| EP1547242A2 (en) | 2005-06-29 |
| WO2004030247A2 (en) | 2004-04-08 |
| CN1685608A (zh) | 2005-10-19 |
| EP1547242B1 (en) | 2008-07-30 |
| KR20050072419A (ko) | 2005-07-11 |
| ATE403268T1 (de) | 2008-08-15 |
| US20060014508A1 (en) | 2006-01-19 |
| AU2003260861A1 (en) | 2004-04-19 |
| WO2004030247A3 (en) | 2004-11-04 |
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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 |