JP2013503555A - 線形化回路及び電力増幅のための方法 - Google Patents
線形化回路及び電力増幅のための方法 Download PDFInfo
- Publication number
- JP2013503555A JP2013503555A JP2012526760A JP2012526760A JP2013503555A JP 2013503555 A JP2013503555 A JP 2013503555A JP 2012526760 A JP2012526760 A JP 2012526760A JP 2012526760 A JP2012526760 A JP 2012526760A JP 2013503555 A JP2013503555 A JP 2013503555A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- replica
- power amplifier
- amplifier
- transistor
- 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.)
- Granted
Links
- 230000003321 amplification Effects 0.000 title claims abstract description 68
- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 239000004065 semiconductor Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- 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
- H03F1/02—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
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
- H03F1/0266—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input 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
- H03F1/08—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
- 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
- H03F1/226—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 junction-FET's
-
- 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
- H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect transistor 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
-
- 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
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
-
- 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
- H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
-
- 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
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- 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
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/18—Indexing scheme relating to amplifiers the bias of the gate of a FET being controlled by a control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/192—A hybrid coupler being used at the input of an amplifier circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/222—A circuit being added at the input of an amplifier to adapt the input impedance of the amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier
-
- 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
- H03F2200/453—Controlling being realised by adding a replica circuit or by using one among multiple identical circuits as a replica circuit
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0441—Circuits with power amplifiers with linearisation using feed-forward
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
Abstract
【選択図】図1
Description
Claims (25)
- 増幅回路であって、
ゲートが信号源入力部に接続された第1増幅トランジスタを設けた電力増幅器コアを有する電力増幅回路と、
前記信号源入力部と前記増幅トランジスタの前記ゲートとの間に接続した線形化回路であり、前記電力増幅器コアのレプリカを有し、また前記増幅トランジスタの前記ゲートに非線形アナログ信号を加算するよう構成した、該線形化回路と、
を備える増幅回路。 - 請求項1記載の増幅回路において、前記電力増幅器コアは、前記第1増幅トランジスタを含むカスコード回路を有する構成とした増幅回路。
- 請求項1又は2記載の増幅回路において、前記カスコード回路は、さらに、前記第1増幅トランジスタに接続したドレインを有する第2増幅トランジスタを含み、前記第1増幅トランジスタは、MOSトランジスタを有する構成とした増幅回路。
- 請求項2又は3記載の増幅回路において、前記カスコード回路は、前記第1増幅トランジスタのソースに接続したドレインを有するJFETを含み、前記第1第増幅トランジスタは、MOSトランジスタを有する構成とした増幅回路。
- 請求項1〜4のいずれか一項記載の増幅回路において、前記レプリカにおける能動素子は、前記電力増幅器コアにおける対応する能動素子よりも小さいものとした増幅回路。
- 請求項1〜5のいずれか一項記載の増幅回路において、前記電力増幅回路及び前記線形化回路の双方を、ダイ上に配置した増幅回路。
- 請求項1〜6のいずれか一項記載の増幅回路において、前記線形化回路は、さらに、前記信号源入力部と前記電力増幅器コアの前記レプリカとの間に接続したエンベロープ検波器を有し、前記エンベロープ検波器はエンベロープ信号を生成するよう構成した増幅回路。
- 請求項7記載の増幅回路において、前記線形化回路は、さらに、前記エンベロープ検波器と前記レプリカとの間に接続した第1演算増幅器、及び前記レプリカと前記増幅トランジスタの前記ゲートとの間に接続した第2演算増幅器を有する構成とした増幅回路。
- 請求項7記載の増幅回路において、前記電力増幅器コアの前記レプリカは、前記増幅トランジスタのレプリカを有し、前記エンベロープ信号は、前記増幅トランジスタの前記レプリカにおけるゲートに印加するものとした増幅回路。
- 請求項9記載の増幅回路において、DCバイアス源、及び前記増幅トランジスタの前記レプリカにおけるドレインの双方を、前記増幅トランジスタの前記ゲートに接続した増幅回路。
- 請求項1〜10のいずれか一項に記載の増幅回路において、前記線形化回路は、クロックを持たない構成とした増幅回路。
- 請求項1〜11のいずれか一項に記載の増幅回路において、前記線形化回路は、アナログ・デジタル変換器を持たない構成とした増幅回路。
- パッケージと、
前記パッケージに取り付けた集積受動素子であって、入力整合ブロック、及び出力整合ブロックを含む、該集積受動素子と、並びに
前記パッケージに取り付けたダイであって、前記入力整合ブロックと前記出力整合ブロックとの間に接続し、かつゲートを有する増幅トランジスタを含む電力増幅器コア、及び出力端を前記増幅トランジスタの前記ゲートに接続した前記電力増幅器コアのレプリカを含む、該ダイと
を備えるデバイス。 - 請求項13記載のデバイスにおいて、前記電力増幅器コアのレプリカは、前記増幅トランジスタのレプリカを有し、さらに前記ダイは、前記増幅トランジスタの前記レプリカにおけるゲートに接続したエンベロープ検波器を有する構成としたデバイス。
- 請求項13又は14記載のデバイスにおいて、前記ダイは、前記パッケージの一方の側面に取り付け、前記集積受動素子は、前記パッケージの他方の側面に取り付けたデバイス。
- 請求項13〜15のいずれか一項記載のデバイスにおいて、さらに、前記パッケージに接続したRF信号源を備えるデバイス。
- 請求項13〜16のいずれか一項記載のデバイスにおいて、さらに、前記パッケージに接続したアンテナを備えるデバイス。
- 請求項13〜17のいずれか一項記載のデバイスにおいて、さらに、前記ダイは、エンベロープ検波器を有する構成としたデバイス。
- RF信号を増幅する方法であって、
前記RF信号からエンベロープ信号を生成するステップと、
ダイ上で前記エンベロープ信号から反転した非線形信号を生成するステップと、
前記ダイ上における電力増幅器コアのMOSトランジスタにバイアスしたRF信号を印加することによって線形的に増幅したRF信号を生成するステップであり、前記バイアスしたRF信号は、前記RF信号と、前記反転した非線形信号とを含むものとした、該線形的に増幅したRF信号を生成するステップと、
を有する方法。 - 請求項19記載の方法において、前記反転した非線形信号を生成するステップは、前記エンベロープ信号により、前記電力増幅器コアのレプリカにおけるトランジスタのゲートを制御するステップを含む方法。
- 請求項19又は20の方法において、前記バイアスしたRF信号は、さらに、DCバイアス電圧を有する方法。
- 請求項19〜21のいずれか一項記載の方法において、前記RF信号から前記エンベロープ信号を生成する前記ステップも前記ダイ上で行うものとした方法。
- 請求項19〜22のいずれか一項記載の方法において、前記RF信号と前記バイアスしたRF信号における前記反転した非線形信号との間の遅延は、およそ10ns〜15nsとした方法。
- 請求項19〜23のいずれか一項記載の方法において、クロック信号を利用しないものとした方法。
- 請求項19〜24のいずれか一項記載の方法において、アナログ・デジタル変換を行わないものとした方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/549,737 | 2009-08-28 | ||
US12/549,737 US7952431B2 (en) | 2009-08-28 | 2009-08-28 | Linearization circuits and methods for power amplification |
PCT/US2010/041985 WO2011025598A1 (en) | 2009-08-28 | 2010-07-14 | Linearization circuits and methods for power amplification |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013503555A true JP2013503555A (ja) | 2013-01-31 |
JP5572215B2 JP5572215B2 (ja) | 2014-08-13 |
Family
ID=43623953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012526760A Expired - Fee Related JP5572215B2 (ja) | 2009-08-28 | 2010-07-14 | 線形化回路及び電力増幅のための方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US7952431B2 (ja) |
EP (1) | EP2471175B1 (ja) |
JP (1) | JP5572215B2 (ja) |
KR (1) | KR101367013B1 (ja) |
CN (1) | CN102484454B (ja) |
TW (2) | TWI366339B (ja) |
WO (1) | WO2011025598A1 (ja) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007042850A1 (en) | 2005-10-12 | 2007-04-19 | Acco | Insulated gate field-effet transistor having a dummy gate |
US7863645B2 (en) * | 2008-02-13 | 2011-01-04 | ACCO Semiconductor Inc. | High breakdown voltage double-gate semiconductor device |
US8928410B2 (en) | 2008-02-13 | 2015-01-06 | Acco Semiconductor, Inc. | Electronic circuits including a MOSFET and a dual-gate JFET |
US9240402B2 (en) | 2008-02-13 | 2016-01-19 | Acco Semiconductor, Inc. | Electronic circuits including a MOSFET and a dual-gate JFET |
US7969243B2 (en) | 2009-04-22 | 2011-06-28 | Acco Semiconductor, Inc. | Electronic circuits including a MOSFET and a dual-gate JFET |
US7952431B2 (en) * | 2009-08-28 | 2011-05-31 | Acco Semiconductor, Inc. | Linearization circuits and methods for power amplification |
US8532584B2 (en) | 2010-04-30 | 2013-09-10 | Acco Semiconductor, Inc. | RF switches |
US8963645B1 (en) * | 2011-04-08 | 2015-02-24 | Lockheed Martin Corporation | Integrated-circuit amplifier with low temperature rise |
CN104718698B (zh) | 2012-08-15 | 2017-08-04 | 天工方案公司 | 与用于射频功率放大器的控制器相关的系统、电路和方法 |
US9350300B2 (en) | 2014-01-28 | 2016-05-24 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Power amplifier |
US9385665B2 (en) * | 2014-02-24 | 2016-07-05 | Telefonaktiebolaget Lm Ericsson (Publ) | PPA linearization |
US9621110B1 (en) * | 2014-11-03 | 2017-04-11 | Acco | Capacitive cross-coupling and harmonic rejection |
EP3163747A1 (en) * | 2015-10-30 | 2017-05-03 | Acco | Capacitive cross-coupling and harmonic rejection |
US9425742B2 (en) * | 2014-12-10 | 2016-08-23 | Intel Corporation | Method and apparatus for correcting inconvenient power amplifier load characteristics in an envelope tracking based system |
US9696359B2 (en) | 2014-12-31 | 2017-07-04 | Texas Instruments Incorporated | Dynamic measurement of frequency synthesizer noise spurs or phase noise |
WO2017011461A1 (en) | 2015-07-15 | 2017-01-19 | Knowles Electronics, Llc | Hybrid transducer |
CA2995587C (en) * | 2015-08-14 | 2023-01-24 | Viasat, Inc. | Digital dynamic bias circuit |
US9843296B2 (en) | 2015-08-31 | 2017-12-12 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Linearizer and radio frequency power amplifier using same |
US9843292B2 (en) * | 2015-10-14 | 2017-12-12 | Knowles Electronics, Llc | Method and apparatus for maintaining DC bias |
US10616691B2 (en) | 2015-11-12 | 2020-04-07 | Knowles Electronics, Llc | Method and apparatus to increase audio band microphone sensitivity |
CN106102156A (zh) * | 2016-05-30 | 2016-11-09 | 成都理工大学 | 基于多天线的线性化传输方法 |
CN108604884A (zh) * | 2016-11-15 | 2018-09-28 | 思科技术公司 | 有线网络环境中通过数字预失真和机器学习的电缆调制解调器处的高功率效率放大 |
US11581854B2 (en) * | 2018-04-26 | 2023-02-14 | Mediatek Inc. | Envelope tracking supply modulator topology for wipe-bandwidth radio frequency transmitter |
US11770107B2 (en) | 2021-01-19 | 2023-09-26 | Qualcomm Incorporated | Load-adaptive power amplifier |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08288772A (ja) * | 1995-04-14 | 1996-11-01 | Goyo Denshi Kogyo Kk | 送信電力増幅器のバイアス制御回路 |
JP2003273660A (ja) * | 2002-03-15 | 2003-09-26 | Mitsubishi Electric Corp | 高周波増幅器 |
JP2004072250A (ja) * | 2002-08-02 | 2004-03-04 | Mitsubishi Electric Corp | 高周波増幅器 |
JP2005217557A (ja) * | 2004-01-28 | 2005-08-11 | Renesas Technology Corp | 高周波電力増幅回路 |
JP2005223849A (ja) * | 2004-02-09 | 2005-08-18 | Sony Ericsson Mobilecommunications Japan Inc | 歪み補償装置および歪み補償機能付き電力増幅装置 |
US7554397B2 (en) * | 2006-05-22 | 2009-06-30 | Theta Microelectronics, Inc. | Highly linear low-noise amplifiers |
Family Cites Families (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1094069B (it) | 1978-04-18 | 1985-07-26 | Muriotto Angelo | Procedimento per la produzione di pannelli prefabbricati ed elementi tridimensionali e prodotti ottenuti con tale procedimento |
US4255714A (en) | 1979-02-21 | 1981-03-10 | Rca Corporation | GaAs Dual-gate FET frequency discriminator |
US4353036A (en) | 1980-08-29 | 1982-10-05 | Rca Corporation | Field effect transistor amplifier with variable gain control |
US4523111A (en) | 1983-03-07 | 1985-06-11 | General Electric Company | Normally-off, gate-controlled electrical circuit with low on-resistance |
US4811075A (en) | 1987-04-24 | 1989-03-07 | Power Integrations, Inc. | High voltage MOS transistors |
US5061903A (en) | 1990-02-27 | 1991-10-29 | Grumman Aerospace Corporation | High voltage modified cascode circuit |
KR950006483B1 (ko) | 1990-06-13 | 1995-06-15 | 가부시끼가이샤 도시바 | 종형 mos트랜지스터와 그 제조방법 |
US5275177A (en) * | 1992-06-30 | 1994-01-04 | Wilk Peter J | Urinary catheterization drape and associated method |
KR960006004A (ko) | 1994-07-25 | 1996-02-23 | 김주용 | 반도체 소자 및 그 제조방법 |
US5677927A (en) | 1994-09-20 | 1997-10-14 | Pulson Communications Corporation | Ultrawide-band communication system and method |
US5684080A (en) | 1995-11-15 | 1997-11-04 | Shell Oil Company | Aqueous polymer emulsion |
US6088484A (en) | 1996-11-08 | 2000-07-11 | Hughes Electronics Corporation | Downloading of personalization layers for symbolically compressed objects |
US6091295A (en) * | 1997-06-27 | 2000-07-18 | The Whitaker Corporation | Predistortion to improve linearity of an amplifier |
US5969582A (en) | 1997-07-03 | 1999-10-19 | Ericsson Inc. | Impedance matching circuit for power amplifier |
US5898198A (en) | 1997-08-04 | 1999-04-27 | Spectrian | RF power device having voltage controlled linearity |
US5912490A (en) | 1997-08-04 | 1999-06-15 | Spectrian | MOSFET having buried shield plate for reduced gate/drain capacitance |
US6061008A (en) | 1997-12-19 | 2000-05-09 | Rockwell Science Center, Inc. | Sigma-delta-sigma modulator for high performance analog-to-digital and digital-to-analog conversion |
GB2336485B (en) | 1998-04-14 | 2002-12-11 | Roke Manor Research | Monopulse generator |
US5918137A (en) | 1998-04-27 | 1999-06-29 | Spectrian, Inc. | MOS transistor with shield coplanar with gate electrode |
KR100296146B1 (ko) * | 1998-05-23 | 2001-08-07 | 오길록 | 소신호선형화장치 |
IL125022A (en) | 1998-06-21 | 2001-09-13 | Israel Bar David | Methods and apparatus for adaptive adjustment of feed-forward linearized amplifiers |
WO2000003478A1 (fr) | 1998-07-08 | 2000-01-20 | Hitachi, Ltd. | Module amplificateur de puissance haute frequence |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6304608B1 (en) | 1998-11-04 | 2001-10-16 | Tai-Haur Kuo | Multibit sigma-delta converters employing dynamic element matching with reduced baseband tones |
DE19902520B4 (de) | 1999-01-22 | 2005-10-06 | Siemens Ag | Hybrid-Leistungs-MOSFET |
TW443039B (en) | 1999-05-20 | 2001-06-23 | Ind Tech Res Inst | Sigma-delta modulator by using method of local nonlinear feedback loop |
US6242978B1 (en) * | 1999-06-30 | 2001-06-05 | Harris Corporation | Method and apparatus for linearizing an amplifier |
US6584205B1 (en) | 1999-08-26 | 2003-06-24 | American Technology Corporation | Modulator processing for a parametric speaker system |
DE69938363T2 (de) | 1999-11-29 | 2008-06-26 | Multispectral Solutions, Inc. | Ultrabreitband-datenvermittlungssystem |
US6300835B1 (en) * | 1999-12-10 | 2001-10-09 | Motorola, Inc. | Power amplifier core |
CA2294404C (en) | 2000-01-07 | 2004-11-02 | Tadeuse A. Kwasniewski | Delta-sigma modulator for fractional-n frequency synthesis |
ATE545958T1 (de) | 2000-09-21 | 2012-03-15 | Cambridge Semiconductor Ltd | Halbleiterbauelement und dessen herstellungsverfahren |
US6750795B2 (en) | 2001-01-12 | 2004-06-15 | Broadcom Corporation | Gain scaling for higher signal-to-noise ratios in multistage, multi-bit delta sigma modulators |
US6735419B2 (en) | 2001-01-18 | 2004-05-11 | Motorola, Inc. | High efficiency wideband linear wireless power amplifier |
US6600369B2 (en) * | 2001-12-07 | 2003-07-29 | Motorola, Inc. | Wideband linear amplifier with predistortion error correction |
US20030227320A1 (en) | 2002-06-05 | 2003-12-11 | Intel Corporation | Buffer, buffer operation and method of manufacture |
US6744314B2 (en) * | 2002-06-20 | 2004-06-01 | Harris Corporation | Wideband power amplifier linearization technique |
US7034612B2 (en) * | 2002-07-20 | 2006-04-25 | Lg Electronics Inc. | Apparatus and method for compensating pre-distortion of a power amplifier |
US7209715B2 (en) * | 2002-07-30 | 2007-04-24 | Matsushita Electric Industrial Co., Ltd. | Power amplifying method, power amplifier, and communication apparatus |
US7049669B2 (en) | 2003-09-15 | 2006-05-23 | Infineon Technologies Ag | LDMOS transistor |
CN1981445B (zh) | 2004-04-09 | 2012-05-30 | 音频专用集成电路公司 | 总和-增量调制器 |
JP2006013753A (ja) | 2004-06-24 | 2006-01-12 | Renesas Technology Corp | 無線通信システムおよび半導体集積回路 |
US6967608B1 (en) | 2004-06-25 | 2005-11-22 | Texas Instruments Incorporated | Sigma-delta analog-to-digital converter (ADC) with truncation error cancellation in a multi-bit feedback digital-to-analog converter (DAC) |
US7312481B2 (en) | 2004-10-01 | 2007-12-25 | Texas Instruments Incorporated | Reliable high-voltage junction field effect transistor and method of manufacture therefor |
WO2006054148A1 (en) | 2004-11-16 | 2006-05-26 | Acco | An integrated ultra-wideband (uwb) pulse generator |
US7348826B1 (en) | 2005-03-18 | 2008-03-25 | Qspeed Semiconductor Inc. | Composite field effect transistor |
US20060228850A1 (en) | 2005-04-06 | 2006-10-12 | Pang-Yen Tsai | Pattern loading effect reduction for selective epitaxial growth |
US7253758B2 (en) | 2005-07-20 | 2007-08-07 | Industrial Technology Research Institute | Third order sigma-delta modulator |
JP4821214B2 (ja) * | 2005-08-26 | 2011-11-24 | 三菱電機株式会社 | カスコード接続回路 |
WO2007042850A1 (en) | 2005-10-12 | 2007-04-19 | Acco | Insulated gate field-effet transistor having a dummy gate |
US7634240B2 (en) | 2006-01-31 | 2009-12-15 | Motorola, Inc. | Method and apparatus for controlling a supply voltage to a power amplifier |
KR20070079724A (ko) * | 2006-02-03 | 2007-08-08 | 고상원 | 전력 증폭기의 선형화를 위한 전치 보정회로 |
US7894772B2 (en) | 2006-08-04 | 2011-02-22 | Axiom Microdevices, Inc. | Low distortion radio frequency (RF) limiter |
US7894546B2 (en) * | 2006-08-04 | 2011-02-22 | Axiom Microdevices, Inc. | Replica linearized power amplifier |
US7420425B2 (en) | 2006-09-28 | 2008-09-02 | Via Technologies, Inc. | Power amplifier and method thereof |
US7636056B2 (en) | 2007-05-22 | 2009-12-22 | Panasonic Corporation | Delta sigma modulator operating with different power source voltages |
US7525464B2 (en) | 2007-05-29 | 2009-04-28 | National Semiconductor Corporation | Sigma-delta modulator with DAC resolution less than ADC resolution |
US7679448B1 (en) * | 2007-08-30 | 2010-03-16 | Pmc-Sierra, Inc. | Continuous wave based bias method and apparatus for minimizing MOS transistor distortion |
US7522079B1 (en) | 2007-09-06 | 2009-04-21 | National Semiconductor Corporation | Sigma-delta modulator with DAC resolution less than ADC resolution and increased tolerance of non-ideal integrators |
US7656229B2 (en) * | 2008-01-28 | 2010-02-02 | Qualcomm, Incorporated | Method and apparatus for reducing intermodulation distortion in an electronic device having an amplifier circuit |
US7863645B2 (en) | 2008-02-13 | 2011-01-04 | ACCO Semiconductor Inc. | High breakdown voltage double-gate semiconductor device |
US7969243B2 (en) | 2009-04-22 | 2011-06-28 | Acco Semiconductor, Inc. | Electronic circuits including a MOSFET and a dual-gate JFET |
US8170505B2 (en) | 2008-07-30 | 2012-05-01 | Qualcomm Incorporated | Driver amplifier having a programmable output impedance adjustment circuit |
US7808415B1 (en) | 2009-03-25 | 2010-10-05 | Acco Semiconductor, Inc. | Sigma-delta modulator including truncation and applications thereof |
US7952431B2 (en) | 2009-08-28 | 2011-05-31 | Acco Semiconductor, Inc. | Linearization circuits and methods for power amplification |
-
2009
- 2009-08-28 US US12/549,737 patent/US7952431B2/en not_active Expired - Fee Related
-
2010
- 2010-07-14 WO PCT/US2010/041985 patent/WO2011025598A1/en active Application Filing
- 2010-07-14 KR KR1020127007896A patent/KR101367013B1/ko not_active IP Right Cessation
- 2010-07-14 CN CN201080038631.2A patent/CN102484454B/zh not_active Expired - Fee Related
- 2010-07-14 JP JP2012526760A patent/JP5572215B2/ja not_active Expired - Fee Related
- 2010-07-14 EP EP10812460.3A patent/EP2471175B1/en not_active Not-in-force
- 2010-07-28 TW TW099124967A patent/TWI366339B/zh not_active IP Right Cessation
- 2010-07-28 TW TW100143388A patent/TWI543523B/zh not_active IP Right Cessation
-
2011
- 2011-04-18 US US13/088,684 patent/US8159298B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08288772A (ja) * | 1995-04-14 | 1996-11-01 | Goyo Denshi Kogyo Kk | 送信電力増幅器のバイアス制御回路 |
JP2003273660A (ja) * | 2002-03-15 | 2003-09-26 | Mitsubishi Electric Corp | 高周波増幅器 |
JP2004072250A (ja) * | 2002-08-02 | 2004-03-04 | Mitsubishi Electric Corp | 高周波増幅器 |
JP2005217557A (ja) * | 2004-01-28 | 2005-08-11 | Renesas Technology Corp | 高周波電力増幅回路 |
JP2005223849A (ja) * | 2004-02-09 | 2005-08-18 | Sony Ericsson Mobilecommunications Japan Inc | 歪み補償装置および歪み補償機能付き電力増幅装置 |
US7554397B2 (en) * | 2006-05-22 | 2009-06-30 | Theta Microelectronics, Inc. | Highly linear low-noise amplifiers |
Also Published As
Publication number | Publication date |
---|---|
TW201214951A (en) | 2012-04-01 |
EP2471175B1 (en) | 2013-10-30 |
US7952431B2 (en) | 2011-05-31 |
EP2471175A4 (en) | 2012-07-04 |
JP5572215B2 (ja) | 2014-08-13 |
CN102484454B (zh) | 2014-12-31 |
US20110193636A1 (en) | 2011-08-11 |
TWI366339B (en) | 2012-06-11 |
WO2011025598A1 (en) | 2011-03-03 |
KR101367013B1 (ko) | 2014-02-24 |
EP2471175A1 (en) | 2012-07-04 |
CN102484454A (zh) | 2012-05-30 |
TWI543523B (zh) | 2016-07-21 |
US8159298B2 (en) | 2012-04-17 |
US20110050345A1 (en) | 2011-03-03 |
KR20120066031A (ko) | 2012-06-21 |
TW201131963A (en) | 2011-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5572215B2 (ja) | 線形化回路及び電力増幅のための方法 | |
US10110174B2 (en) | Adaptive power amplifier and radio frequency transmitter thereof | |
TW201220707A (en) | Digital-to-analog converter (DAC) | |
US10951172B2 (en) | Linear doherty power amplifier | |
JP2010074407A (ja) | バイアス制御装置 | |
Park et al. | A quad-band CMOS linear power amplifier for EDGE applications using an anti-phase method to enhance its linearity | |
JP2015043503A (ja) | 高周波電力増幅器 | |
Nitesh et al. | A 700MHz to 2.5 GHz cascode GaAs power amplifier for multi-band pico-cell achieving 20dB gain, 40dBm to 45dBm OIP3 and 66% peak PAE | |
TW200410485A (en) | Radio frequency power amplifier adaptive bias control circuit | |
JP2008193720A (ja) | ドハティ増幅回路 | |
Kang et al. | Study on dynamic body bias controls of RF CMOS cascode power amplifier | |
Kim et al. | A CMOS envelope-tracking transmitter with an on-chip common-gate voltage modulation linearizer | |
KR101814352B1 (ko) | 라디오 주파수 송신기에서 전치 보상 | |
US20180083575A1 (en) | Amplifier with improved linearity | |
EP3719993B1 (en) | A radio frequency power amplifier system and a method of linearizing an output signal thereof | |
KR101891619B1 (ko) | 질화갈륨 집적회로 증폭기의 선형화 바이어스 회로 기술 | |
TW201642580A (zh) | 放大模組的功率控制方法 | |
JP2013055413A (ja) | 電力増幅回路 | |
KR100688085B1 (ko) | 전력 증폭을 위한 전치왜곡형 선형화 장치 | |
JP5652166B2 (ja) | 電力増幅器、w−cdma用電力増幅器、マルチバンド用電力増幅器および携帯情報端末 | |
CN111614328A (zh) | 一种提升线性度的驱动电路结构 | |
CN116349131A (zh) | 用于使用互补补偿的放大器线性化的外围设备 | |
JP2004228661A (ja) | 半導体増幅器 | |
KR101053287B1 (ko) | 전력 증폭기 | |
KR20060039801A (ko) | 발룬을 갖는 가변이득 증폭기 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20121127 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20131016 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20131022 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140122 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140225 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140523 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140617 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140627 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5572215 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |