CA2274529C - High dynamic range variable gain amplifier - Google Patents
High dynamic range variable gain amplifier Download PDFInfo
- Publication number
- CA2274529C CA2274529C CA002274529A CA2274529A CA2274529C CA 2274529 C CA2274529 C CA 2274529C CA 002274529 A CA002274529 A CA 002274529A CA 2274529 A CA2274529 A CA 2274529A CA 2274529 C CA2274529 C CA 2274529C
- Authority
- CA
- Canada
- Prior art keywords
- amplifier
- current
- coupled
- transconductance
- input stage
- 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
- 230000007850 degeneration Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 14
- 230000005669 field effect Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 10
- 230000001413 cellular effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000003321 amplification Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 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
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
- H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
-
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/789,108 US5880631A (en) | 1996-02-28 | 1997-01-27 | High dynamic range variable gain amplifier |
| US789,108 | 1997-01-27 | ||
| PCT/US1997/023657 WO1998033272A1 (en) | 1997-01-27 | 1997-12-19 | High dynamic range variable gain amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2274529A1 CA2274529A1 (en) | 1998-07-30 |
| CA2274529C true CA2274529C (en) | 2004-07-27 |
Family
ID=25146617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002274529A Expired - Fee Related CA2274529C (en) | 1997-01-27 | 1997-12-19 | High dynamic range variable gain amplifier |
Country Status (9)
| Country | Link |
|---|---|
| JP (4) | JP4135988B2 (zh) |
| KR (2) | KR100572187B1 (zh) |
| CN (1) | CN1124680C (zh) |
| AU (1) | AU732076B2 (zh) |
| BR (1) | BR9714291A (zh) |
| CA (1) | CA2274529C (zh) |
| HK (1) | HK1023861A1 (zh) |
| RU (1) | RU2209504C2 (zh) |
| WO (1) | WO1998033272A1 (zh) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2357913A (en) * | 1999-12-24 | 2001-07-04 | Ericsson Telefon Ab L M | Conditioning a gain control signal so that an output is dB linear |
| CN1741375B (zh) * | 2004-08-26 | 2010-10-27 | 瑞昱半导体股份有限公司 | 可动态调整供给电压的放大电路 |
| ATE460772T1 (de) * | 2005-04-19 | 2010-03-15 | Alcatel Lucent | Analog-multiplizierer |
| US7397306B2 (en) * | 2005-11-02 | 2008-07-08 | Marvell World Trade Ltd. | High-bandwidth high-gain amplifier |
| WO2007060625A1 (en) | 2005-11-23 | 2007-05-31 | Nxp B.V. | A monotonic variable gain amplifier and an automatic gain control circuit |
| CN101350605B (zh) * | 2008-09-12 | 2011-09-28 | 东南大学 | 带有最小增益控制的改进型双极型可变增益放大器 |
| US7944311B1 (en) * | 2009-12-17 | 2011-05-17 | Samsung Electro-Mechanics Company, Ltd. | Feedback biasing for cascode amplifiers |
| EP2472723B1 (en) * | 2011-01-04 | 2015-12-16 | ams AG | Amplifier with non-linear current mirror |
| CN103051298B (zh) * | 2011-10-17 | 2016-07-06 | 中国科学院微电子研究所 | 可编程增益放大电路和可编程增益放大器 |
| US9071136B2 (en) * | 2012-03-30 | 2015-06-30 | Qualcomm Incorporated | System and method for suppression of peaking in an external LC filter of a buck regulator |
| RU2534972C1 (ru) * | 2013-04-12 | 2014-12-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ФГБОУ ВПО "ЮРГУЭС") | Широкополосный неинвертирующий усилитель с малым уровнем нелинейных искажений и шумов |
| RU2519348C1 (ru) * | 2013-05-14 | 2014-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ФГБОУ ВПО "ЮРГУЭС") | Управляемый усилитель и смеситель аналоговых сигналов на базе дифференциального каскада дарлингтона |
| CN103647532A (zh) * | 2013-11-26 | 2014-03-19 | 苏州贝克微电子有限公司 | 一种低电压，折叠式电流信号调制器 |
| CN105353295A (zh) * | 2015-12-01 | 2016-02-24 | 无锡比迅科技有限公司 | 一种运放增益测量电路 |
| RU2614345C1 (ru) * | 2015-12-21 | 2017-03-24 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Поволжский государственный технологический университет" | Способ расширения динамического диапазона в радиотехнических системах |
| US9735738B2 (en) * | 2016-01-06 | 2017-08-15 | Analog Devices Global | Low-voltage low-power variable gain amplifier |
| CN110289822A (zh) * | 2019-06-27 | 2019-09-27 | 电子科技大学 | 一种宽频带大动态自动增益电路 |
| RU2771479C1 (ru) * | 2021-05-12 | 2022-05-04 | Общество с ограниченной ответственностью "ТРИУМФ АУДИО" | Симметричный усилитель с обратной связью |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2937316B2 (ja) * | 1987-08-28 | 1999-08-23 | 株式会社東芝 | Ｆｍ変調器 |
| JPH077891B2 (ja) * | 1988-01-09 | 1995-01-30 | ローム株式会社 | 電子ボリューム回路 |
| JPH0281505A (ja) * | 1988-09-19 | 1990-03-22 | Hitachi Ltd | 可変利得増幅器 |
| US5157350A (en) * | 1991-10-31 | 1992-10-20 | Harvey Rubens | Analog multipliers |
| JPH05218764A (ja) * | 1992-02-03 | 1993-08-27 | Hitachi Ltd | 電子ボリューム |
| DE69229731T2 (de) * | 1992-09-16 | 1999-12-23 | St Microelectronics Srl | Von dem Eingangssignal dynamisch gesteuerter Transkonduktanz-Differenzverstärker |
| EP0632583B1 (en) * | 1993-06-30 | 1997-09-03 | STMicroelectronics S.r.l. | Variable gain amplifier |
| US5469115A (en) * | 1994-04-28 | 1995-11-21 | Qualcomm Incorporated | Method and apparatus for automatic gain control in a digital receiver |
| JPH08130428A (ja) * | 1994-10-28 | 1996-05-21 | Sony Corp | 可変利得増幅器 |
-
1997
- 1997-12-19 KR KR1019997006627A patent/KR100572187B1/ko not_active IP Right Cessation
- 1997-12-19 CN CN97181532A patent/CN1124680C/zh not_active Expired - Fee Related
- 1997-12-19 JP JP53197498A patent/JP4135988B2/ja not_active Expired - Fee Related
- 1997-12-19 CA CA002274529A patent/CA2274529C/en not_active Expired - Fee Related
- 1997-12-19 WO PCT/US1997/023657 patent/WO1998033272A1/en not_active Application Discontinuation
- 1997-12-19 AU AU57132/98A patent/AU732076B2/en not_active Ceased
- 1997-12-19 BR BR9714291-3A patent/BR9714291A/pt not_active IP Right Cessation
- 1997-12-19 KR KR1020057022889A patent/KR100654112B1/ko not_active IP Right Cessation
- 1997-12-19 RU RU99118581/09A patent/RU2209504C2/ru not_active IP Right Cessation
-
2000
- 2000-05-12 HK HK00102848A patent/HK1023861A1/xx not_active IP Right Cessation
-
2007
- 2007-08-17 JP JP2007212947A patent/JP2008005538A/ja not_active Withdrawn
-
2008
- 2008-03-18 JP JP2008069493A patent/JP2008182755A/ja active Pending
-
2009
- 2009-10-30 JP JP2009251325A patent/JP2010051011A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20000070394A (ko) | 2000-11-25 |
| JP2001509345A (ja) | 2001-07-10 |
| KR100654112B1 (ko) | 2006-12-05 |
| JP2008182755A (ja) | 2008-08-07 |
| JP4135988B2 (ja) | 2008-08-20 |
| CN1245598A (zh) | 2000-02-23 |
| AU732076B2 (en) | 2001-04-12 |
| JP2010051011A (ja) | 2010-03-04 |
| KR100572187B1 (ko) | 2006-04-18 |
| JP2008005538A (ja) | 2008-01-10 |
| AU5713298A (en) | 1998-08-18 |
| CN1124680C (zh) | 2003-10-15 |
| KR20060002023A (ko) | 2006-01-06 |
| HK1023861A1 (en) | 2000-09-22 |
| WO1998033272A1 (en) | 1998-07-30 |
| RU2209504C2 (ru) | 2003-07-27 |
| CA2274529A1 (en) | 1998-07-30 |
| BR9714291A (pt) | 2000-04-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20121219 |