CN100472960C - 具有恒定输入阻抗的可控射频宽带放大器 - Google Patents
具有恒定输入阻抗的可控射频宽带放大器 Download PDFInfo
- Publication number
- CN100472960C CN100472960C CNB2003801084610A CN200380108461A CN100472960C CN 100472960 C CN100472960 C CN 100472960C CN B2003801084610 A CNB2003801084610 A CN B2003801084610A CN 200380108461 A CN200380108461 A CN 200380108461A CN 100472960 C CN100472960 C CN 100472960C
- Authority
- CN
- China
- Prior art keywords
- amplifier
- current limiting
- basic
- amplifier arrangement
- limiting element
- 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
- 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
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- 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
- 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
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7203—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch in the bias circuit of the amplifier controlling a bias current in the 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
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7206—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch in the bias circuit of the amplifier controlling a bias voltage in the 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
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7227—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch in the supply circuit of the amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10300431.9 | 2003-01-09 | ||
| DE10300431A DE10300431A1 (de) | 2003-01-09 | 2003-01-09 | Regelbarer HF-Breitbandverstärker mit konstanter Eingangsimpedanz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1736022A CN1736022A (zh) | 2006-02-15 |
| CN100472960C true CN100472960C (zh) | 2009-03-25 |
Family
ID=32519734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801084610A Expired - Fee Related CN100472960C (zh) | 2003-01-09 | 2003-12-05 | 具有恒定输入阻抗的可控射频宽带放大器 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7286017B2 (enExample) |
| EP (1) | EP1581995B1 (enExample) |
| JP (1) | JP5079213B2 (enExample) |
| KR (1) | KR101007579B1 (enExample) |
| CN (1) | CN100472960C (enExample) |
| AU (1) | AU2003303699A1 (enExample) |
| DE (1) | DE10300431A1 (enExample) |
| MX (1) | MXPA05007301A (enExample) |
| WO (1) | WO2004064250A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007014572A1 (de) * | 2005-07-29 | 2007-02-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verstärkerschaltung mit einstellbarer verstärkung |
| JP2007221402A (ja) * | 2006-02-16 | 2007-08-30 | Fujitsu Ltd | 可変利得増幅器及びその半導体集積装置 |
| US9893693B2 (en) * | 2012-12-07 | 2018-02-13 | Futurewei Technologies, Inc. | Gain control method for a broadband inductorless low noise amplifier |
| US9184707B2 (en) * | 2013-01-17 | 2015-11-10 | Qualcomm Incorporated | Amplifier with switchable common gate gain buffer |
| KR102621951B1 (ko) * | 2021-10-13 | 2024-01-09 | 고려대학교 산학협력단 | 삽입 손실 개선을 위한 능동형 스위치 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5530404A (en) * | 1993-12-17 | 1996-06-25 | Thomson-Csf Semiconducteurs Specifiques | Variable gain amplifier having n parallel-connected elementary amplifiers |
| US6288608B1 (en) * | 2000-04-28 | 2001-09-11 | International Business Machines Corporation | Radio frequency power amplifier for a battery powered handset unit of a wireless communications system |
| CN1389980A (zh) * | 2001-05-18 | 2003-01-08 | 松下电器产业株式会社 | 可变增益放大器 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10126215A (ja) * | 1996-10-18 | 1998-05-15 | Matsushita Electric Ind Co Ltd | 可変減衰装置 |
| JPH10190378A (ja) * | 1996-12-27 | 1998-07-21 | Nec Corp | 超高効率線形増幅器 |
| US5977828A (en) * | 1997-12-12 | 1999-11-02 | Nortel Networks Corporation | Multiple-tail transconductance switchable gain amplifer |
| JP3684861B2 (ja) * | 1998-09-28 | 2005-08-17 | 松下電器産業株式会社 | 可変利得増幅器 |
| FI106412B (fi) * | 1998-11-10 | 2001-01-31 | Nokia Mobile Phones Ltd | Lineaarinen tehovahvistinjärjestely ja menetelmä sen käyttämiseksi |
| DE19854847C2 (de) * | 1998-11-27 | 2003-07-31 | Vishay Semiconductor Gmbh | Verstärkeranordnung |
| DE10132800C1 (de) * | 2001-07-06 | 2003-01-30 | Infineon Technologies Ag | Rauscharme Verstärkerschaltung |
-
2003
- 2003-01-09 DE DE10300431A patent/DE10300431A1/de not_active Withdrawn
- 2003-12-05 KR KR1020057012712A patent/KR101007579B1/ko not_active Expired - Fee Related
- 2003-12-05 JP JP2004565954A patent/JP5079213B2/ja not_active Expired - Fee Related
- 2003-12-05 US US10/541,855 patent/US7286017B2/en not_active Expired - Lifetime
- 2003-12-05 AU AU2003303699A patent/AU2003303699A1/en not_active Abandoned
- 2003-12-05 CN CNB2003801084610A patent/CN100472960C/zh not_active Expired - Fee Related
- 2003-12-05 MX MXPA05007301A patent/MXPA05007301A/es active IP Right Grant
- 2003-12-05 WO PCT/EP2003/013741 patent/WO2004064250A1/en not_active Ceased
- 2003-12-05 EP EP03815054A patent/EP1581995B1/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5530404A (en) * | 1993-12-17 | 1996-06-25 | Thomson-Csf Semiconducteurs Specifiques | Variable gain amplifier having n parallel-connected elementary amplifiers |
| US6288608B1 (en) * | 2000-04-28 | 2001-09-11 | International Business Machines Corporation | Radio frequency power amplifier for a battery powered handset unit of a wireless communications system |
| CN1389980A (zh) * | 2001-05-18 | 2003-01-08 | 松下电器产业株式会社 | 可变增益放大器 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10300431A1 (de) | 2004-07-22 |
| EP1581995A1 (en) | 2005-10-05 |
| KR101007579B1 (ko) | 2011-01-14 |
| MXPA05007301A (es) | 2006-02-17 |
| US20060125565A1 (en) | 2006-06-15 |
| CN1736022A (zh) | 2006-02-15 |
| JP5079213B2 (ja) | 2012-11-21 |
| EP1581995B1 (en) | 2012-02-08 |
| WO2004064250A1 (en) | 2004-07-29 |
| JP2006513615A (ja) | 2006-04-20 |
| US7286017B2 (en) | 2007-10-23 |
| KR20050093820A (ko) | 2005-09-23 |
| AU2003303699A1 (en) | 2004-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6882194B2 (en) | Class AB differential mixer | |
| US6724235B2 (en) | BiCMOS variable-gain transconductance amplifier | |
| KR101120650B1 (ko) | 신호들의 수동 증폭 | |
| US6724259B2 (en) | Variable gain amplifier | |
| US7039377B2 (en) | Switchable gain amplifier | |
| US6650883B1 (en) | Mixer with adjustable linearity | |
| US8232831B2 (en) | Multiple input/gain stage Gilbert cell mixers | |
| JPH0879116A (ja) | 利得切り替え回路及びこれを用いた無線装置 | |
| US6239659B1 (en) | Low power gain controlled amplifier with high dynamic range | |
| US5805988A (en) | System and method for switching an RF signal between mixers | |
| CN100472960C (zh) | 具有恒定输入阻抗的可控射频宽带放大器 | |
| US6917788B2 (en) | Wireless communications system having variable gain mixer | |
| WO2004021560A1 (en) | System and method for establishing a bias current using a feedback loop | |
| JP2005312016A (ja) | カスコード接続増幅回路及びそれを用いた通信装置 | |
| US7477103B2 (en) | Amplifier circuit | |
| EP1532732A2 (en) | System and method for establishing the input impedance of an amplifier in a stacked configuration | |
| KR100295678B1 (ko) | 선형 이득제어 증폭기 | |
| US20010008836A1 (en) | Gain control circuit, and a radio communication apparatus using the same | |
| US6388529B2 (en) | Grounded emitter amplifier and a radio communication device using the same | |
| JP4214348B2 (ja) | 利得可変低雑音増幅器 | |
| US6693492B2 (en) | Variable gain low-noise amplifier and method | |
| KR20000047600A (ko) | Agc회로 | |
| JPH10303656A (ja) | アナログ信号選択回路 | |
| JPH0583154A (ja) | Ic化受信装置 | |
| JPS59117333A (ja) | Amラジオ受信装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20161205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |