DE69023698D1 - Hochfrequenzverstärker mit Optimierung des Stromverbrauches. - Google Patents
Hochfrequenzverstärker mit Optimierung des Stromverbrauches.Info
- Publication number
- DE69023698D1 DE69023698D1 DE69023698T DE69023698T DE69023698D1 DE 69023698 D1 DE69023698 D1 DE 69023698D1 DE 69023698 T DE69023698 T DE 69023698T DE 69023698 T DE69023698 T DE 69023698T DE 69023698 D1 DE69023698 D1 DE 69023698D1
- Authority
- DE
- Germany
- Prior art keywords
- optimization
- power consumption
- high frequency
- frequency amplifier
- amplifier
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13592389 | 1989-05-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69023698D1 true DE69023698D1 (de) | 1996-01-04 |
DE69023698T2 DE69023698T2 (de) | 1996-07-04 |
Family
ID=15163011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69023698T Expired - Fee Related DE69023698T2 (de) | 1989-05-31 | 1990-05-31 | Hochfrequenzverstärker mit Optimierung des Stromverbrauches. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5083096A (de) |
EP (1) | EP0401013B1 (de) |
JP (1) | JP3049734B2 (de) |
AU (1) | AU629642B2 (de) |
CA (1) | CA2017904C (de) |
DE (1) | DE69023698T2 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3365428B2 (ja) * | 1992-12-09 | 2003-01-14 | ソニー株式会社 | 高周波パワーアンプのバイアス制御回路 |
CA2136749C (en) * | 1993-03-26 | 1998-11-03 | Richard K. Kornfeld | Power amplifier bias control circuit and method |
JP3158776B2 (ja) * | 1993-04-28 | 2001-04-23 | ソニー株式会社 | 通信機 |
GB2301248B (en) * | 1995-05-25 | 2000-08-09 | Motorola Gmbh | Amplifying circuit and method for determining optimal bias voltages therein |
US5673001A (en) * | 1995-06-07 | 1997-09-30 | Motorola, Inc. | Method and apparatus for amplifying a signal |
US5872481A (en) * | 1995-12-27 | 1999-02-16 | Qualcomm Incorporated | Efficient parallel-stage power amplifier |
US5974041A (en) * | 1995-12-27 | 1999-10-26 | Qualcomm Incorporated | Efficient parallel-stage power amplifier |
DE19606799A1 (de) * | 1996-02-23 | 1997-08-28 | Daimler Benz Aerospace Ag | Anordnung zur Regelung der Ausgangsamplitude eines Hochfrequenz-Leistungsverstärkers |
US5724005A (en) * | 1996-04-25 | 1998-03-03 | Lucent Technologies Inc. | Linear power amplifier with automatic gate/base bias control for optimum efficiency |
JPH10215130A (ja) * | 1997-01-30 | 1998-08-11 | Mitsubishi Electric Corp | 増幅装置及び送信出力制御装置 |
US6069525A (en) * | 1997-04-17 | 2000-05-30 | Qualcomm Incorporated | Dual-mode amplifier with high efficiency and high linearity |
US6223056B1 (en) * | 1997-12-31 | 2001-04-24 | Samsung Electronics Co., Ltd. | Systems and methods for dynamically controlling a variable power amplifier |
JP3314724B2 (ja) * | 1998-06-02 | 2002-08-12 | 日本電気株式会社 | 電力増幅回路および電力自動制御方法 |
US6069526A (en) * | 1998-08-04 | 2000-05-30 | Qualcomm Incorporated | Partial or complete amplifier bypass |
US6104246A (en) * | 1999-05-25 | 2000-08-15 | International Business Machines Corporation | Variable gain RF amplifier with switchable bias injection and feedback |
US6625238B2 (en) | 2000-03-29 | 2003-09-23 | Sony Corporation | Low power and high linearity receivers with reactively biased front ends |
US6668028B1 (en) | 2000-03-29 | 2003-12-23 | Sony Corporation | Low-power CDMA receiver |
US6448855B1 (en) * | 2000-04-13 | 2002-09-10 | Koninklijke Philips Electronics N.V. | Accurate power detection circuit for use in a power amplifier |
US6476678B1 (en) * | 2000-08-04 | 2002-11-05 | Maxim Integrated Products, Inc. | High performance amplifier circuits using separate power supplies |
US7061993B2 (en) * | 2001-08-29 | 2006-06-13 | Sony Corporation | CDMA receiver architecture for lower bypass switch point |
US6687491B2 (en) * | 2002-01-18 | 2004-02-03 | Sony Corporation | Direct conversion of low power high linearity receiver |
US6720831B2 (en) * | 2002-04-26 | 2004-04-13 | Rf Micro Devices, Inc. | Power amplifier protection circuit |
US6913741B2 (en) * | 2002-09-30 | 2005-07-05 | Halox Technologies, Inc. | System and process for producing halogen oxides |
US7321482B2 (en) * | 2004-03-19 | 2008-01-22 | Hewlett-Packard Development Company, L.P. | Sub-circuit voltage manipulation |
US7456693B2 (en) | 2006-06-30 | 2008-11-25 | Infineon Technologies Ag | Regulation of an amplification apparatus |
US7355478B2 (en) * | 2006-06-30 | 2008-04-08 | Andrew Corporation | RF amplifier with pulse detection and bias control |
WO2008091325A1 (en) * | 2007-01-25 | 2008-07-31 | Skyworks Solutions, Inc. | Multimode amplifier for operation in linear and saturated modes |
WO2008111196A1 (ja) * | 2007-03-14 | 2008-09-18 | Panasonic Corporation | 電力制御回路及び電力増幅器の電力制御方法 |
TWM349649U (en) * | 2008-09-10 | 2009-01-21 | Amazing Microelectronic Corp | Bias balancing circuit |
US8536950B2 (en) * | 2009-08-03 | 2013-09-17 | Qualcomm Incorporated | Multi-stage impedance matching |
US8102205B2 (en) | 2009-08-04 | 2012-01-24 | Qualcomm, Incorporated | Amplifier module with multiple operating modes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413570A (en) * | 1966-02-23 | 1968-11-26 | Collins Radio Co | High efficiency rf power amplification with modulation signal controlled "on"-"off" switch varied amplifier dc potentials |
US3514710A (en) * | 1968-11-04 | 1970-05-26 | Avco Corp | Signal amplifier with direct current energy supply and dynamic range controlled in accordance with composite input signal level |
US3644832A (en) * | 1970-09-28 | 1972-02-22 | Gen Electric | Power control circuit |
US4114108A (en) * | 1977-05-19 | 1978-09-12 | General Electric Company | Overdrive protection circuit |
US4442407A (en) * | 1982-06-11 | 1984-04-10 | The United States Of America As Represented By The Secretary Of The Army | Two loop automatic level control for power amplifier |
FR2560468A1 (fr) * | 1984-02-28 | 1985-08-30 | Lgt Lab Gen Telecomm | Dispositif de polarisation d'etage d'amplification a transistors et son utilisation dans un tel etage |
US4760347A (en) * | 1987-01-20 | 1988-07-26 | Novatel Communications Ltd. | Controlled-output amplifier and power detector therefor |
JPH01314431A (ja) * | 1988-06-15 | 1989-12-19 | Mitsubishi Electric Corp | 送信電力制御回路 |
-
1990
- 1990-05-30 CA CA002017904A patent/CA2017904C/en not_active Expired - Fee Related
- 1990-05-31 DE DE69023698T patent/DE69023698T2/de not_active Expired - Fee Related
- 1990-05-31 JP JP02139854A patent/JP3049734B2/ja not_active Expired - Fee Related
- 1990-05-31 AU AU56180/90A patent/AU629642B2/en not_active Ceased
- 1990-05-31 EP EP90305924A patent/EP0401013B1/de not_active Expired - Lifetime
- 1990-05-31 US US07/531,425 patent/US5083096A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2017904C (en) | 1993-11-16 |
US5083096A (en) | 1992-01-21 |
AU5618090A (en) | 1990-12-06 |
CA2017904A1 (en) | 1990-11-30 |
EP0401013A3 (de) | 1991-06-19 |
EP0401013A2 (de) | 1990-12-05 |
AU629642B2 (en) | 1992-10-08 |
JPH03128514A (ja) | 1991-05-31 |
DE69023698T2 (de) | 1996-07-04 |
EP0401013B1 (de) | 1995-11-22 |
JP3049734B2 (ja) | 2000-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |