ATE393980T1 - Schaltung für leistungsverstärker - Google Patents
Schaltung für leistungsverstärkerInfo
- Publication number
- ATE393980T1 ATE393980T1 AT02255396T AT02255396T ATE393980T1 AT E393980 T1 ATE393980 T1 AT E393980T1 AT 02255396 T AT02255396 T AT 02255396T AT 02255396 T AT02255396 T AT 02255396T AT E393980 T1 ATE393980 T1 AT E393980T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- power amplifier
- transistor
- output transistor
- regulated
- Prior art date
Links
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
- H03F1/02—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
-
- 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
- H03F1/0272—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 output 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
- H03F1/52—Circuit arrangements for protecting such amplifiers
-
- 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
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
-
- 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
- H03F2200/451—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
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/99—A diode as rectifier being used as a detecting circuit in an amplifying circuit
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02255396A EP1387485B1 (de) | 2002-08-01 | 2002-08-01 | Schaltung für leistungsverstärker |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE393980T1 true ATE393980T1 (de) | 2008-05-15 |
Family
ID=30011254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02255396T ATE393980T1 (de) | 2002-08-01 | 2002-08-01 | Schaltung für leistungsverstärker |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1387485B1 (de) |
JP (1) | JP4718175B2 (de) |
AT (1) | ATE393980T1 (de) |
DE (1) | DE60226317T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7145385B2 (en) | 2003-12-05 | 2006-12-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Single chip power amplifier and envelope modulator |
US20050181746A1 (en) * | 2004-02-13 | 2005-08-18 | Icefyre Semiconductor Corporation | Methods and systems for signal amplification through envelope removal and restoration |
US7256573B2 (en) * | 2004-03-31 | 2007-08-14 | Axiom Microdevices, Inc. | Distributed active transformer power control techiques |
US7710204B2 (en) | 2005-04-18 | 2010-05-04 | Freescale Semiconductor, Inc. | Adaptive protection circuit for a power amplifier |
JP4750463B2 (ja) * | 2005-05-11 | 2011-08-17 | ルネサスエレクトロニクス株式会社 | 高周波電力増幅器およびそれを用いた送信器および移動体通信端末 |
JP2007104280A (ja) * | 2005-10-04 | 2007-04-19 | Nec Electronics Corp | 高周波電力増幅回路 |
JP4844357B2 (ja) * | 2006-11-10 | 2011-12-28 | 株式会社ケンウッド | 高周波電力増幅回路 |
US9379669B2 (en) | 2014-05-14 | 2016-06-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for class-B amplifier mismatch correction |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57174910A (en) * | 1981-04-20 | 1982-10-27 | Oki Electric Ind Co Ltd | Overload protecting system for high frequency power amplifier |
JPS607215A (ja) * | 1983-06-24 | 1985-01-16 | Yaesu Musen Co Ltd | Alc回路 |
US4924191A (en) * | 1989-04-18 | 1990-05-08 | Erbtec Engineering, Inc. | Amplifier having digital bias control apparatus |
JPH0362741A (ja) * | 1989-07-31 | 1991-03-18 | Matsushita Electric Ind Co Ltd | 送信出力制御装置 |
JP2867756B2 (ja) * | 1991-08-30 | 1999-03-10 | 日本電気株式会社 | 消費電力制御装置 |
JPH0794961A (ja) * | 1993-09-24 | 1995-04-07 | Toshiba Corp | 高周波増幅モジュール |
US5426641A (en) * | 1994-01-28 | 1995-06-20 | Bell Communications Research, Inc. | Adaptive class AB amplifier for TDMA wireless communications systems |
US5673001A (en) * | 1995-06-07 | 1997-09-30 | Motorola, Inc. | Method and apparatus for amplifying a signal |
JP3253845B2 (ja) * | 1996-01-24 | 2002-02-04 | 株式会社ケンウッド | 自動電力制御回路 |
JPH10290129A (ja) * | 1997-04-11 | 1998-10-27 | Sony Corp | 高周波増幅器 |
WO1999029037A1 (fr) * | 1997-11-28 | 1999-06-10 | Hitachi, Ltd. | Circuit d'amplification de puissance haute frequence, et appareil de communication mobile utilisant ledit circuit |
US6043707A (en) * | 1999-01-07 | 2000-03-28 | Motorola, Inc. | Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier |
US6166598A (en) * | 1999-07-22 | 2000-12-26 | Motorola, Inc. | Power amplifying circuit with supply adjust to control adjacent and alternate channel power |
US6160449A (en) * | 1999-07-22 | 2000-12-12 | Motorola, Inc. | Power amplifying circuit with load adjust for control of adjacent and alternate channel power |
-
2002
- 2002-08-01 AT AT02255396T patent/ATE393980T1/de not_active IP Right Cessation
- 2002-08-01 DE DE60226317T patent/DE60226317T2/de not_active Expired - Lifetime
- 2002-08-01 EP EP02255396A patent/EP1387485B1/de not_active Expired - Lifetime
-
2003
- 2003-07-21 JP JP2004525267A patent/JP4718175B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005535191A (ja) | 2005-11-17 |
EP1387485A1 (de) | 2004-02-04 |
JP4718175B2 (ja) | 2011-07-06 |
DE60226317T2 (de) | 2009-06-25 |
EP1387485B1 (de) | 2008-04-30 |
DE60226317D1 (de) | 2008-06-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2004013957A3 (en) | Circuit for power amplification | |
US7042299B2 (en) | Crystal oscillation circuit | |
US20060226909A1 (en) | Monolithic supply-modulated rf power amplifier and dc-dc power converter ic | |
US7589586B2 (en) | High frequency signal detection circuit | |
EP0905877A4 (de) | Oszillatorschaltung, elektronische schaltung, halbleiterbauelement, elektronische anordnung und uhr | |
IL165799A0 (en) | Method for tuning an envelope tracking amplification system | |
JP2004511159A (ja) | 構成可能な電力増幅器及びバイアス制御 | |
DE60209363D1 (de) | Leistungsverstärker (pa) mit verbesserter leistungsregelung | |
JPS62274906A (ja) | 高周波増幅器 | |
WO2004047351A3 (en) | Radio frequency power amplifier adaptive bias control circuit | |
DE60142183D1 (de) | Hochfrequenzverstärkerschaltung mit unabhängiger steuerung von ruhestrom und vorspannungsimpedanz | |
ATE393980T1 (de) | Schaltung für leistungsverstärker | |
AU2003279487A1 (en) | Self adaptable bias circuit for enabling dynamic control of quiescent current in a linear power amplifier | |
US10715093B2 (en) | Power amplifier module | |
WO1999029037A1 (fr) | Circuit d'amplification de puissance haute frequence, et appareil de communication mobile utilisant ledit circuit | |
US7830207B2 (en) | Amplifier circuit | |
JP2004312594A (ja) | D級増幅回路 | |
KR0160572B1 (ko) | 저 전원 전압의 출력 구동기 | |
KR20050026921A (ko) | 프로세스변수 보상을 갖는 능동 바이어스 회로를 위한전류 셧다운회로 | |
US6271734B1 (en) | Piezoelectric oscillator | |
US6094098A (en) | Technique for designing an amplifier circuit in an integrated circuit device | |
US20030054780A1 (en) | High frequency power amplifying circuit, and mobile communication apparatus using it | |
EP1127407B1 (de) | Verstärker zur verwendung in einem mobiltelefon | |
JPH11145741A (ja) | 集積化バイアス回路 | |
KR20030032090A (ko) | 고효율 전력 증폭기 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |