JP6361190B2 - 増幅器、及び、その駆動方法、並びに、電子回路システム - Google Patents
増幅器、及び、その駆動方法、並びに、電子回路システム Download PDFInfo
- Publication number
- JP6361190B2 JP6361190B2 JP2014051893A JP2014051893A JP6361190B2 JP 6361190 B2 JP6361190 B2 JP 6361190B2 JP 2014051893 A JP2014051893 A JP 2014051893A JP 2014051893 A JP2014051893 A JP 2014051893A JP 6361190 B2 JP6361190 B2 JP 6361190B2
- Authority
- JP
- Japan
- Prior art keywords
- transistor group
- terminal
- indirectly
- input
- voltage
- 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
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Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
- H03F1/223—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively with MOSFET's
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
- H03F3/45183—Long tailed pairs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- 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
- H03G1/0029—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 using field-effect transistors [FET]
-
- 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
- H03G3/3063—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 using at least one transistor as controlling device, the transistor being used as a variable impedance device
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/411—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising two power stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/456—A scaled replica of a transistor being present in an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45024—Indexing scheme relating to differential amplifiers the differential amplifier amplifying transistors are cascode coupled transistors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014051893A JP6361190B2 (ja) | 2014-03-14 | 2014-03-14 | 増幅器、及び、その駆動方法、並びに、電子回路システム |
| US14/633,375 US9543909B2 (en) | 2014-03-14 | 2015-02-27 | Amplifier, driving method for amplifier, and electronic circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014051893A JP6361190B2 (ja) | 2014-03-14 | 2014-03-14 | 増幅器、及び、その駆動方法、並びに、電子回路システム |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015177321A JP2015177321A (ja) | 2015-10-05 |
| JP2015177321A5 JP2015177321A5 (enExample) | 2016-03-31 |
| JP6361190B2 true JP6361190B2 (ja) | 2018-07-25 |
Family
ID=54070096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014051893A Expired - Fee Related JP6361190B2 (ja) | 2014-03-14 | 2014-03-14 | 増幅器、及び、その駆動方法、並びに、電子回路システム |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US9543909B2 (enExample) |
| JP (1) | JP6361190B2 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102585866B1 (ko) * | 2016-06-21 | 2023-10-06 | 삼성전기주식회사 | 공통 게이트 증폭 회로 및 그것을 이용한 전력 증폭기 |
| US10381991B1 (en) | 2018-02-02 | 2019-08-13 | Psemi Corporation | Drain sharing split LNA |
| EP3826177B1 (en) | 2018-08-10 | 2025-09-10 | Mitsubishi Electric Corporation | Variable gain amplifier |
| US11539382B1 (en) | 2021-10-19 | 2022-12-27 | Psemi Corporation | Supporting wideband inputs on RF receivers |
| TWI799094B (zh) * | 2022-01-20 | 2023-04-11 | 瑞昱半導體股份有限公司 | 具有線性度補償機制的可變增益放大電路及方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7120411B2 (en) * | 2002-03-25 | 2006-10-10 | Broadcom Corporation | Low noise amplifier (LNA) gain switch circuitry |
| JP2004064292A (ja) * | 2002-07-26 | 2004-02-26 | Matsushita Electric Ind Co Ltd | 可変利得回路 |
| JP4095398B2 (ja) * | 2002-09-30 | 2008-06-04 | 株式会社東芝 | 増幅器及びこれを用いた無線通信装置 |
| JP3851889B2 (ja) | 2003-05-29 | 2006-11-29 | 株式会社東芝 | 可変電流分割回路 |
| US7151409B2 (en) * | 2004-07-26 | 2006-12-19 | Texas Instruments Incorporated | Programmable low noise amplifier and method |
| JP4354465B2 (ja) * | 2006-03-24 | 2009-10-28 | シャープ株式会社 | 可変利得増幅器及びこの可変利得増幅器を備えた通信装置 |
| US7420425B2 (en) * | 2006-09-28 | 2008-09-02 | Via Technologies, Inc. | Power amplifier and method thereof |
| US7598813B2 (en) * | 2007-11-26 | 2009-10-06 | Broadcom Corporation | Radio frequency amplifier with constant gain setting |
| WO2010082235A1 (ja) * | 2009-01-13 | 2010-07-22 | パナソニック株式会社 | 可変利得増幅器およびそれを備えた高周波信号受信装置 |
| JP5093149B2 (ja) * | 2009-02-24 | 2012-12-05 | 富士通セミコンダクター株式会社 | 可変利得増幅器 |
| US8310314B2 (en) * | 2010-09-06 | 2012-11-13 | Mediatek Inc. | Signal amplification circuits for receiving/transmitting signals according to input signal |
| JP5672975B2 (ja) * | 2010-11-01 | 2015-02-18 | 富士通セミコンダクター株式会社 | 可変利得増幅器 |
| GB2504662A (en) * | 2012-06-27 | 2014-02-12 | Lime Microsystems Ltd | A low-noise amplifier with programmable gain and constant input impedance |
-
2014
- 2014-03-14 JP JP2014051893A patent/JP6361190B2/ja not_active Expired - Fee Related
-
2015
- 2015-02-27 US US14/633,375 patent/US9543909B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US9543909B2 (en) | 2017-01-10 |
| US20150263691A1 (en) | 2015-09-17 |
| JP2015177321A (ja) | 2015-10-05 |
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