DE69833635D1 - Verstärkungsanordnung mit Spannungsverstärkung und reduziertem Leistungsverbrauch - Google Patents
Verstärkungsanordnung mit Spannungsverstärkung und reduziertem LeistungsverbrauchInfo
- Publication number
- DE69833635D1 DE69833635D1 DE69833635T DE69833635T DE69833635D1 DE 69833635 D1 DE69833635 D1 DE 69833635D1 DE 69833635 T DE69833635 T DE 69833635T DE 69833635 T DE69833635 T DE 69833635T DE 69833635 D1 DE69833635 D1 DE 69833635D1
- Authority
- DE
- Germany
- Prior art keywords
- amplification
- power consumption
- reduced power
- arrangement
- voltage
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
-
- 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
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several 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
- H03F1/02—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
- H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/10—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/516—Some amplifier stages of an amplifier use supply voltages of different value
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98403167A EP1014563B1 (de) | 1998-12-14 | 1998-12-14 | Verstärkungsanordnung mit Spannungsverstärkung und reduziertem Leistungsverbrauch |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69833635D1 true DE69833635D1 (de) | 2006-04-27 |
DE69833635T2 DE69833635T2 (de) | 2007-01-18 |
Family
ID=8235591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69833635T Expired - Lifetime DE69833635T2 (de) | 1998-12-14 | 1998-12-14 | Verstärkungsanordnung mit Spannungsverstärkung und reduziertem Leistungsverbrauch |
Country Status (10)
Country | Link |
---|---|
US (1) | US6323729B1 (de) |
EP (1) | EP1014563B1 (de) |
JP (1) | JP2000183673A (de) |
KR (1) | KR20000052459A (de) |
AU (1) | AU6452199A (de) |
CA (1) | CA2286924A1 (de) |
DE (1) | DE69833635T2 (de) |
IL (1) | IL132438A0 (de) |
SG (1) | SG74169A1 (de) |
TW (1) | TW469692B (de) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60143296D1 (de) | 2000-08-03 | 2010-12-02 | Broadcom Corp | Verfahren und schaltung für einen verstärker mit zwei betriebsspannungen |
US6388516B1 (en) * | 2000-11-08 | 2002-05-14 | International Business Machines Corporation | Precision high speed magnetic coil driver circuit |
US6836150B2 (en) * | 2002-12-23 | 2004-12-28 | Micron Technology, Inc. | Reducing swing line driver |
US6833760B1 (en) * | 2003-07-07 | 2004-12-21 | National Semiconductor Corporation | Low power differential amplifier powered by multiple unequal power supply voltages |
US6982600B2 (en) * | 2004-03-02 | 2006-01-03 | Elantec Semiconductor, Inc. | Class G-amplifiers |
US9300261B2 (en) * | 2006-03-10 | 2016-03-29 | Nvidia Corporation | Method and apparatus for efficient load biasing |
US20070285176A1 (en) * | 2006-03-21 | 2007-12-13 | Leadis Technology, Inc. | Phase-Slipping Phase-Locked Loop |
US8081785B2 (en) * | 2006-03-21 | 2011-12-20 | Fairchild Semiconductor Corporation | High efficiency converter providing switching amplifier bias |
US7522433B2 (en) * | 2006-03-21 | 2009-04-21 | Fairchild Semiconductor Corporation | Efficient voltage rail generation |
US7408414B2 (en) | 2006-03-21 | 2008-08-05 | Leadis Technology, Inc. | Distributed class G type amplifier switching method |
US8081777B2 (en) | 2006-03-21 | 2011-12-20 | Fairchild Semiconductor Corporation | Volume-based adaptive biasing |
US7498880B2 (en) * | 2006-03-21 | 2009-03-03 | Leadis Technology, Inc. | Class L amplifier |
US20070236295A1 (en) * | 2006-03-21 | 2007-10-11 | Leadis Technology, Inc. | FM Power Amplifier With Antenna Power Control |
US7382195B2 (en) * | 2006-08-11 | 2008-06-03 | Anpec Electronics Corporation | Power supply device for driving an amplifier |
US8362838B2 (en) * | 2007-01-19 | 2013-01-29 | Cirrus Logic, Inc. | Multi-stage amplifier with multiple sets of fixed and variable voltage rails |
US7667408B2 (en) | 2007-03-12 | 2010-02-23 | Cirrus Logic, Inc. | Lighting system with lighting dimmer output mapping |
US8018171B1 (en) | 2007-03-12 | 2011-09-13 | Cirrus Logic, Inc. | Multi-function duty cycle modifier |
US7852017B1 (en) | 2007-03-12 | 2010-12-14 | Cirrus Logic, Inc. | Ballast for light emitting diode light sources |
US8076920B1 (en) | 2007-03-12 | 2011-12-13 | Cirrus Logic, Inc. | Switching power converter and control system |
US7696913B2 (en) | 2007-05-02 | 2010-04-13 | Cirrus Logic, Inc. | Signal processing system using delta-sigma modulation having an internal stabilizer path with direct output-to-integrator connection |
US7554473B2 (en) | 2007-05-02 | 2009-06-30 | Cirrus Logic, Inc. | Control system using a nonlinear delta-sigma modulator with nonlinear process modeling |
US8102127B2 (en) | 2007-06-24 | 2012-01-24 | Cirrus Logic, Inc. | Hybrid gas discharge lamp-LED lighting system |
US8179372B1 (en) | 2007-10-01 | 2012-05-15 | Integrated Device Technology, Inc. | Electronic display with array context-sensitive search (ACS) technology |
US7733178B1 (en) | 2007-10-24 | 2010-06-08 | Fairchild Semiconductor Corporation | High efficiency audio amplifier |
US20090115465A1 (en) * | 2007-11-05 | 2009-05-07 | Matsushita Electric Industrial Co., Ltd. | Low power, high slew rate ccd driver |
US7750732B1 (en) | 2007-12-04 | 2010-07-06 | Fairchild Semiconductor Corporation | Adaptive rail amplifier (ARA) technology |
US7804697B2 (en) | 2007-12-11 | 2010-09-28 | Cirrus Logic, Inc. | History-independent noise-immune modulated transformer-coupled gate control signaling method and apparatus |
US8022683B2 (en) | 2008-01-30 | 2011-09-20 | Cirrus Logic, Inc. | Powering a power supply integrated circuit with sense current |
US7755525B2 (en) | 2008-01-30 | 2010-07-13 | Cirrus Logic, Inc. | Delta sigma modulator with unavailable output values |
US8576589B2 (en) | 2008-01-30 | 2013-11-05 | Cirrus Logic, Inc. | Switch state controller with a sense current generated operating voltage |
US8008898B2 (en) | 2008-01-30 | 2011-08-30 | Cirrus Logic, Inc. | Switching regulator with boosted auxiliary winding supply |
US7880544B2 (en) * | 2008-02-11 | 2011-02-01 | Synopsys, Inc. | Differential amplifier and applications thereof |
US7759881B1 (en) | 2008-03-31 | 2010-07-20 | Cirrus Logic, Inc. | LED lighting system with a multiple mode current control dimming strategy |
US8255009B2 (en) * | 2008-04-25 | 2012-08-28 | Apple Inc. | Radio frequency communications circuitry with power supply voltage and gain control |
US8008902B2 (en) | 2008-06-25 | 2011-08-30 | Cirrus Logic, Inc. | Hysteretic buck converter having dynamic thresholds |
US8344707B2 (en) | 2008-07-25 | 2013-01-01 | Cirrus Logic, Inc. | Current sensing in a switching power converter |
US8279628B2 (en) | 2008-07-25 | 2012-10-02 | Cirrus Logic, Inc. | Audible noise suppression in a resonant switching power converter |
US8212491B2 (en) | 2008-07-25 | 2012-07-03 | Cirrus Logic, Inc. | Switching power converter control with triac-based leading edge dimmer compatibility |
US8487546B2 (en) | 2008-08-29 | 2013-07-16 | Cirrus Logic, Inc. | LED lighting system with accurate current control |
US8222872B1 (en) | 2008-09-30 | 2012-07-17 | Cirrus Logic, Inc. | Switching power converter with selectable mode auxiliary power supply |
US8179110B2 (en) | 2008-09-30 | 2012-05-15 | Cirrus Logic Inc. | Adjustable constant current source with continuous conduction mode (“CCM”) and discontinuous conduction mode (“DCM”) operation |
US8331883B2 (en) * | 2008-10-30 | 2012-12-11 | Apple Inc. | Electronic devices with calibrated radio frequency communications circuitry |
US8288954B2 (en) | 2008-12-07 | 2012-10-16 | Cirrus Logic, Inc. | Primary-side based control of secondary-side current for a transformer |
US8116703B2 (en) * | 2008-12-08 | 2012-02-14 | Apple Inc. | Wireless transmitter calibration using device receiver |
US8299722B2 (en) | 2008-12-12 | 2012-10-30 | Cirrus Logic, Inc. | Time division light output sensing and brightness adjustment for different spectra of light emitting diodes |
US8362707B2 (en) | 2008-12-12 | 2013-01-29 | Cirrus Logic, Inc. | Light emitting diode based lighting system with time division ambient light feedback response |
US7994863B2 (en) | 2008-12-31 | 2011-08-09 | Cirrus Logic, Inc. | Electronic system having common mode voltage range enhancement |
US8482223B2 (en) | 2009-04-30 | 2013-07-09 | Cirrus Logic, Inc. | Calibration of lamps |
US8165642B2 (en) * | 2009-05-13 | 2012-04-24 | Apple Inc. | Electronic device with data-rate-dependent power amplifier bias |
US8198874B2 (en) | 2009-06-30 | 2012-06-12 | Cirrus Logic, Inc. | Switching power converter with current sensing transformer auxiliary power supply |
US8248145B2 (en) | 2009-06-30 | 2012-08-21 | Cirrus Logic, Inc. | Cascode configured switching using at least one low breakdown voltage internal, integrated circuit switch to control at least one high breakdown voltage external switch |
US8963535B1 (en) | 2009-06-30 | 2015-02-24 | Cirrus Logic, Inc. | Switch controlled current sensing using a hall effect sensor |
US8212493B2 (en) | 2009-06-30 | 2012-07-03 | Cirrus Logic, Inc. | Low energy transfer mode for auxiliary power supply operation in a cascaded switching power converter |
US9155174B2 (en) | 2009-09-30 | 2015-10-06 | Cirrus Logic, Inc. | Phase control dimming compatible lighting systems |
US8654483B2 (en) | 2009-11-09 | 2014-02-18 | Cirrus Logic, Inc. | Power system having voltage-based monitoring for over current protection |
US8583062B2 (en) | 2010-04-15 | 2013-11-12 | Apple Inc. | Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry |
TWI485979B (zh) * | 2010-07-21 | 2015-05-21 | Monolithic Power Systems Inc | G類音頻放大系統及方法 |
US8913970B2 (en) | 2010-09-21 | 2014-12-16 | Apple Inc. | Wireless transceiver with amplifier bias adjusted based on modulation scheme |
US8738066B2 (en) | 2010-10-07 | 2014-05-27 | Apple Inc. | Wireless transceiver with amplifier bias adjusted based on modulation scheme and transmit power feedback |
JP5504229B2 (ja) * | 2011-09-13 | 2014-05-28 | 株式会社東芝 | トランスインピーダンスアンプおよび受光回路 |
US9209767B1 (en) | 2014-05-28 | 2015-12-08 | Motorola Solutions, Inc. | Input current limited power supply and audio power amplifier for high power reproduction of nondeterministic signals |
JP7249296B2 (ja) * | 2020-02-14 | 2023-03-30 | 株式会社東芝 | 増幅回路及び電圧補正回路 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5737908A (en) * | 1980-08-14 | 1982-03-02 | Sony Corp | Output amplifying circuit |
EP0509113B1 (de) * | 1991-04-16 | 1998-10-07 | Siemens Aktiengesellschaft | Ausgangspufferverstärker mit grossem Signalhub |
US5258653A (en) * | 1991-09-30 | 1993-11-02 | Eastman Kodak Company | Power efficient voltage to current coverter |
US5570062A (en) * | 1994-10-12 | 1996-10-29 | Ericsson Ge Mobile Communications Inc. | AM-FM transmitter power amplifier using class-BC |
KR0129844B1 (ko) | 1994-12-21 | 1998-10-01 | 양승택 | 아날로그 및 디지털 휴대용 전화기 겸용 전력증폭기 |
US5745587A (en) * | 1995-06-07 | 1998-04-28 | Bausch & Lomb Incorporated | Hearing aid amplifier circuitry |
-
1998
- 1998-12-14 DE DE69833635T patent/DE69833635T2/de not_active Expired - Lifetime
- 1998-12-14 EP EP98403167A patent/EP1014563B1/de not_active Expired - Lifetime
-
1999
- 1999-10-18 IL IL13243899A patent/IL132438A0/xx unknown
- 1999-10-19 SG SG1999005196A patent/SG74169A1/en unknown
- 1999-10-19 CA CA002286924A patent/CA2286924A1/en not_active Abandoned
- 1999-10-21 TW TW088118239A patent/TW469692B/zh not_active IP Right Cessation
- 1999-11-24 US US09/448,763 patent/US6323729B1/en not_active Expired - Lifetime
- 1999-11-30 JP JP11339189A patent/JP2000183673A/ja active Pending
- 1999-12-13 KR KR1019990057029A patent/KR20000052459A/ko not_active Application Discontinuation
- 1999-12-14 AU AU64521/99A patent/AU6452199A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE69833635T2 (de) | 2007-01-18 |
IL132438A0 (en) | 2001-03-19 |
US6323729B1 (en) | 2001-11-27 |
AU6452199A (en) | 2000-06-15 |
SG74169A1 (en) | 2000-07-18 |
EP1014563A1 (de) | 2000-06-28 |
CA2286924A1 (en) | 2000-06-14 |
TW469692B (en) | 2001-12-21 |
EP1014563B1 (de) | 2006-03-01 |
JP2000183673A (ja) | 2000-06-30 |
KR20000052459A (ko) | 2000-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: ALCATEL LUCENT, PARIS, FR |