JP4719844B2 - 増幅器を有する受信機 - Google Patents
増幅器を有する受信機 Download PDFInfo
- Publication number
- JP4719844B2 JP4719844B2 JP2007554689A JP2007554689A JP4719844B2 JP 4719844 B2 JP4719844 B2 JP 4719844B2 JP 2007554689 A JP2007554689 A JP 2007554689A JP 2007554689 A JP2007554689 A JP 2007554689A JP 4719844 B2 JP4719844 B2 JP 4719844B2
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- JP
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- Prior art keywords
- amplifier
- coupled
- transistor
- input
- capacitor
- 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.)
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Links
- 239000003990 capacitor Substances 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000021615 conjugation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/32—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential 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
- H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
- H03F3/45085—Long tailed pairs
- H03F3/45089—Non-folded cascode stages
-
- 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
- H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
- H03F3/45098—PI types
- H03F3/45103—Non-folded cascode stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/537—A transformer being used as coupling element between two amplifying stages
-
- 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
- H03F2203/45386—Indexing scheme relating to differential amplifiers the AAC comprising one or more coils in the source circuit
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
かかる受信機の例は、無線受信機、無線送受信機、及び無線インターフェイスである。
Claims (5)
- アンテナ信号を増幅する増幅器を有する受信機であって、前記増幅器は、増幅器入力及び増幅器出力を有し、前記増幅器入力は、前記アンテナ信号を受信するシングルエンデッド入力であり、前記増幅器出力は、差動出力であり、前記増幅器は、前記増幅器の同相モード入力インピーダンスを減少させる回路を有し、
前記増幅器は、第1のトランジスタ及び第2のトランジスタを有し、両方の前記トランジスタの制御電極が、第1の要素を介して互いに結合されており、両方の前記トランジスタの第1の主電極は、第2の要素を介して互いに結合されており、前記回路は、前記第1の要素を含み、
前記第1の要素は、中央タップを備えると共に結合係数kを有する差動インダクタを含み、0.5≦k≦1.0であり、
前記第1のトランジスタの制御電極は、第1のキャパシタを介して前記増幅器入力に結合され、前記第2のトランジスタの制御電極は、第2のキャパシタを介してアースに結合されており、それによって前記第1のトランジスタの前記制御電極は第1の要素の一端と前記第1のキャパシタの内側端に結合され、前記第2のトランジスタの前記制御電極は第1の要素の他端と前記第2のキャパシタの内側端に結合されている、
受信機。 - 前記中央タップは、電圧源に結合されている、請求項1記載の受信機。
- 両方の前記トランジスタの第2の主電極は、前記増幅器出力を有するカスコード回路に結合されている、請求項1記載の受信機。
- 両方の前記キャパシタは、互いに異なる値を有する、請求項1記載の受信機。
- 受信機のアンテナ信号を増幅する増幅器であって、前記増幅器は、増幅器入力及び増幅器出力を有し、前記増幅器入力は、前記アンテナ信号を受信するシングルエンデッド入力であり、前記増幅器出力は、差動出力であり、前記増幅器は、前記増幅器の同相モード入力インピーダンスを減少させる回路を有し、
前記増幅器は、第1のトランジスタ及び第2のトランジスタを有し、両方の前記トランジスタの制御電極が、第1の要素を介して互いに結合されており、両方の前記トランジスタの第1の主電極は、第2の要素を介して互いに結合されており、前記回路は、前記第1の要素を含み、
前記第1の要素は、中央タップを備えると共に結合係数kを有する差動インダクタを含み、0.5≦k≦1.0であり、
前記第1のトランジスタの制御電極は、第1のキャパシタを介して前記増幅器入力に結合され、前記第2のトランジスタの制御電極は、第2のキャパシタを介してアースに結合されており、それによって前記第1のトランジスタの前記制御電極は第1の要素の一端と前記第1のキャパシタの内側端に結合され、前記第2のトランジスタの前記制御電極は第1の要素の他端と前記第2のキャパシタの内側端に結合されている、
増幅器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05100906 | 2005-02-09 | ||
EP05100906.6 | 2005-02-09 | ||
PCT/IB2006/050320 WO2006085238A1 (en) | 2005-02-09 | 2006-01-30 | Receiver comprising an amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008530883A JP2008530883A (ja) | 2008-08-07 |
JP4719844B2 true JP4719844B2 (ja) | 2011-07-06 |
Family
ID=36282934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007554689A Active JP4719844B2 (ja) | 2005-02-09 | 2006-01-30 | 増幅器を有する受信機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7812675B2 (ja) |
EP (1) | EP1851854A1 (ja) |
JP (1) | JP4719844B2 (ja) |
CN (1) | CN101167249B (ja) |
WO (1) | WO2006085238A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1851854A1 (en) | 2005-02-09 | 2007-11-07 | Nxp B.V. | Receiver comprising an amplifier |
DE602006005794D1 (de) | 2005-02-09 | 2009-04-30 | Nxp Bv | Empfänger mit verstärker |
US7596364B2 (en) | 2006-12-08 | 2009-09-29 | Telefonaktiebolaget L M Ericsson (Publ) | Merged low-noise amplifier and balun |
US7848713B2 (en) * | 2007-09-10 | 2010-12-07 | Qualcomm Incorporated | Common mode signal attenuation for a differential duplexer |
US8248164B2 (en) * | 2010-09-02 | 2012-08-21 | Fairchild Semiconductor Corporation | Integrated circuit single ended-to-differential amplifier |
JP5571732B2 (ja) * | 2012-04-17 | 2014-08-13 | 日本電信電話株式会社 | 差動増幅器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62224103A (ja) * | 1986-03-26 | 1987-10-02 | Matsushita Electric Ind Co Ltd | 電力増幅器 |
JPH04229706A (ja) * | 1990-06-25 | 1992-08-19 | Sony Tektronix Corp | プッシュプルrf増幅器 |
JPH06197035A (ja) * | 1992-12-24 | 1994-07-15 | Alps Electric Co Ltd | 利得切換回路 |
JP2002519921A (ja) * | 1998-06-26 | 2002-07-02 | マキシム・インテグレイテッド・プロダクツ・インコーポレイテッド | 低ノイズスタンバイモード特性を備えた駆動増幅器 |
US20030197575A1 (en) * | 2002-04-23 | 2003-10-23 | Rozieh Rofougaran | Integrated circuit low noise amplifier and applications thereof |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5068621A (en) | 1990-08-13 | 1991-11-26 | Triquint Semiconductor, Inc. | Compensation method and apparatus for enhancing single-ended to differential conversion |
US6057714A (en) | 1998-05-29 | 2000-05-02 | Conexant Systems, Inc. | Double balance differential active ring mixer with current shared active input balun |
JP2000165202A (ja) * | 1998-11-25 | 2000-06-16 | Toshiba Corp | 単相−差動変換回路 |
US6441688B1 (en) * | 2000-08-18 | 2002-08-27 | Motorola, Inc. | Single-to-differential buffer amplifier |
US6922108B2 (en) | 2001-06-08 | 2005-07-26 | Lucent Technologies Inc. | Active balun circuit for single-ended to differential RF signal conversion with enhanced common-mode rejection |
US6559723B2 (en) | 2001-09-04 | 2003-05-06 | Motorola, Inc. | Single ended input, differential output amplifier |
EP1418668A1 (en) * | 2002-11-07 | 2004-05-12 | Dialog Semiconductor GmbH | High isolation/high speed buffer amplifier |
EP1851854A1 (en) | 2005-02-09 | 2007-11-07 | Nxp B.V. | Receiver comprising an amplifier |
TWI335128B (en) * | 2006-03-01 | 2010-12-21 | Princeton Technology Corp | Single-end input to differential-ends output low noise amplifier |
-
2006
- 2006-01-30 EP EP06710788A patent/EP1851854A1/en not_active Withdrawn
- 2006-01-30 CN CN2006800042864A patent/CN101167249B/zh active Active
- 2006-01-30 JP JP2007554689A patent/JP4719844B2/ja active Active
- 2006-01-30 US US11/815,965 patent/US7812675B2/en active Active
- 2006-01-30 WO PCT/IB2006/050320 patent/WO2006085238A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62224103A (ja) * | 1986-03-26 | 1987-10-02 | Matsushita Electric Ind Co Ltd | 電力増幅器 |
JPH04229706A (ja) * | 1990-06-25 | 1992-08-19 | Sony Tektronix Corp | プッシュプルrf増幅器 |
JPH06197035A (ja) * | 1992-12-24 | 1994-07-15 | Alps Electric Co Ltd | 利得切換回路 |
JP2002519921A (ja) * | 1998-06-26 | 2002-07-02 | マキシム・インテグレイテッド・プロダクツ・インコーポレイテッド | 低ノイズスタンバイモード特性を備えた駆動増幅器 |
US20030197575A1 (en) * | 2002-04-23 | 2003-10-23 | Rozieh Rofougaran | Integrated circuit low noise amplifier and applications thereof |
Also Published As
Publication number | Publication date |
---|---|
WO2006085238A1 (en) | 2006-08-17 |
US7812675B2 (en) | 2010-10-12 |
EP1851854A1 (en) | 2007-11-07 |
CN101167249B (zh) | 2010-10-13 |
JP2008530883A (ja) | 2008-08-07 |
CN101167249A (zh) | 2008-04-23 |
US20090115515A1 (en) | 2009-05-07 |
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