TWI375406B - Method and apparatus for dynamic gain and phase compensations - Google Patents
Method and apparatus for dynamic gain and phase compensations Download PDFInfo
- Publication number
- TWI375406B TWI375406B TW095112033A TW95112033A TWI375406B TW I375406 B TWI375406 B TW I375406B TW 095112033 A TW095112033 A TW 095112033A TW 95112033 A TW95112033 A TW 95112033A TW I375406 B TWI375406 B TW I375406B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- gain
- bit
- dynamically
- digital
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- 230000008859 change Effects 0.000 claims description 56
- 238000010606 normalization Methods 0.000 claims description 44
- 230000010363 phase shift Effects 0.000 claims description 14
- 230000004044 response Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 238000012512 characterization method Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 230000000644 propagated effect Effects 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
-
- 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
Landscapes
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/099,278 US7486941B2 (en) | 2005-04-04 | 2005-04-04 | Method and apparatus for dynamic gain and phase compensations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200703929A TW200703929A (en) | 2007-01-16 |
| TWI375406B true TWI375406B (en) | 2012-10-21 |
Family
ID=37071204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW095112033A TWI375406B (en) | 2005-04-04 | 2006-04-04 | Method and apparatus for dynamic gain and phase compensations |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7486941B2 (enExample) |
| JP (1) | JP4834806B2 (enExample) |
| CN (1) | CN101218749B (enExample) |
| TW (1) | TWI375406B (enExample) |
| WO (1) | WO2006107690A2 (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7203472B2 (en) * | 2002-03-15 | 2007-04-10 | Nokia Corporation | Method and apparatus providing calibration technique for RF performance tuning |
| US7353010B1 (en) * | 2004-12-22 | 2008-04-01 | Atheros Communications, Inc. | Techniques for fast automatic gain control |
| KR100788637B1 (ko) * | 2006-10-02 | 2007-12-26 | (주)에프씨아이 | 이득제어 및 다중대역의 처리가 가능한 수신기 |
| JP2009094703A (ja) * | 2007-10-05 | 2009-04-30 | Oki Semiconductor Co Ltd | ゲイン制御装置 |
| US8000408B2 (en) * | 2008-05-13 | 2011-08-16 | Freescale Semiconductor, Inc. | Loop delay and gain control methods in closed-loop transmitters and wireless devices |
| WO2009138125A1 (en) * | 2008-05-15 | 2009-11-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Wcdma agc receiver snr adjustment and signalling |
| US8126094B2 (en) | 2009-01-07 | 2012-02-28 | Skyworks Solutions, Inc. | Circuits, systems, and methods for managing automatic gain control in quadrature signal paths of a receiver |
| EP2641329A1 (en) * | 2010-11-17 | 2013-09-25 | Telefonaktiebolaget LM Ericsson (PUBL) | A multistage receiver system |
| US8983413B2 (en) * | 2010-12-01 | 2015-03-17 | Intel Mobile Communications GmbH | Communication device including multiple LO receivers |
| CN102742239B (zh) * | 2011-12-01 | 2015-03-18 | 华为技术有限公司 | 一种光纤系统中帧同步的方法及装置 |
| US9048524B2 (en) | 2012-03-26 | 2015-06-02 | Google Technology Holdings LLC | Method and apparatus for compensating for phase shift in a communication device |
| US9014245B2 (en) | 2012-03-26 | 2015-04-21 | Google Technology Holdings LLC | Method and apparatus for compensating for phase shift in a communication device |
| US9281849B2 (en) | 2012-03-26 | 2016-03-08 | Google Technology Holdings LLC | Method and apparatus for compensating for phase shift in a communication device |
| US8638251B1 (en) * | 2012-08-29 | 2014-01-28 | Mcafee, Inc. | Delay compensation for sigma delta modulator |
| US9543903B2 (en) * | 2012-10-22 | 2017-01-10 | Qualcomm Incorporated | Amplifiers with noise splitting |
| US9503040B1 (en) | 2013-03-12 | 2016-11-22 | Maxlinear Asia Singapore PTE LTD | Method and apparatus for changing the gain of a radio frequency signal |
| TWI533646B (zh) | 2014-06-10 | 2016-05-11 | 晨星半導體股份有限公司 | 配合可變增益放大器之信號處理系統及信號處理方法 |
| CN105282466B (zh) * | 2014-06-30 | 2018-07-06 | 晨星半导体股份有限公司 | 配合可变增益放大器的信号处理系统及信号处理方法 |
| CN107978319B (zh) * | 2016-10-24 | 2021-03-26 | 北京东方广视科技股份有限公司 | 一种人声数据的处理方法和装置 |
| CN111654298A (zh) * | 2019-02-19 | 2020-09-11 | 北京小米松果电子有限公司 | 通信控制方法、装置、存储介质及基带芯片 |
| CN113726377B (zh) * | 2020-05-26 | 2022-10-18 | 华为技术有限公司 | 一种相位补偿、校准方法及ap |
| CN116338541A (zh) * | 2021-12-22 | 2023-06-27 | 上海联影医疗科技股份有限公司 | 接收机、信号的接收方法及磁共振成像设备 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6668164B2 (en) * | 2000-06-01 | 2003-12-23 | Motorola, Inc. | Method and apparatus for reducing intermodulation distortion in a low current drain automatic gain control system |
| JP4379658B2 (ja) * | 2000-06-20 | 2009-12-09 | パナソニック株式会社 | 受信装置 |
| JP2003046353A (ja) * | 2001-07-27 | 2003-02-14 | Toshiba Corp | 受信装置 |
| EP1317064A1 (en) * | 2001-11-28 | 2003-06-04 | TTPCOM Limited | Transmitter RF power control |
| US7024169B2 (en) * | 2002-01-25 | 2006-04-04 | Qualcomm Incorporated | AMPS receiver using a zero-IF architecture |
| JP2004048581A (ja) * | 2002-07-15 | 2004-02-12 | Hitachi Ltd | 受信装置及び利得制御システム |
| JP2004080455A (ja) * | 2002-08-20 | 2004-03-11 | Sony Corp | 受信回路およびこれを用いた無線通信装置 |
| KR100581059B1 (ko) * | 2003-09-26 | 2006-05-22 | 한국전자통신연구원 | 직교 복조 수신 시스템에서 가변루프이득을 이용한 동위상채널과 직교 채널 간 위상 및 이득 불일치 보상 장치 및그 방법 |
-
2005
- 2005-04-04 US US11/099,278 patent/US7486941B2/en active Active
-
2006
- 2006-03-29 WO PCT/US2006/011569 patent/WO2006107690A2/en not_active Ceased
- 2006-03-29 CN CN2006800101754A patent/CN101218749B/zh not_active Expired - Fee Related
- 2006-03-29 JP JP2008504332A patent/JP4834806B2/ja not_active Expired - Fee Related
- 2006-04-04 TW TW095112033A patent/TWI375406B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006107690A3 (en) | 2007-11-08 |
| US20060223463A1 (en) | 2006-10-05 |
| WO2006107690A2 (en) | 2006-10-12 |
| TW200703929A (en) | 2007-01-16 |
| US7486941B2 (en) | 2009-02-03 |
| JP2008535396A (ja) | 2008-08-28 |
| CN101218749B (zh) | 2013-01-02 |
| CN101218749A (zh) | 2008-07-09 |
| JP4834806B2 (ja) | 2011-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |