ATE545984T1 - Verbesserte pulsweitenmodulation - Google Patents
Verbesserte pulsweitenmodulationInfo
- Publication number
- ATE545984T1 ATE545984T1 AT09733123T AT09733123T ATE545984T1 AT E545984 T1 ATE545984 T1 AT E545984T1 AT 09733123 T AT09733123 T AT 09733123T AT 09733123 T AT09733123 T AT 09733123T AT E545984 T1 ATE545984 T1 AT E545984T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- voltage level
- time
- pulse width
- pwm
- Prior art date
Links
- 230000000630 rising effect Effects 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/157—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
-
- 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
- H03F1/0211—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 supply voltage or current
- H03F1/0244—Stepped control
- H03F1/025—Stepped control by using a signal derived from the input signal
-
- 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
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- 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
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/10—Combined modulation, e.g. rate modulation and amplitude modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Amplifiers (AREA)
- Gyroscopes (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0807133.4A GB2459304B (en) | 2008-04-18 | 2008-04-18 | Improved pulse width modulation |
| PCT/EP2009/054676 WO2009127739A1 (en) | 2008-04-18 | 2009-04-20 | Improved pulse width modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE545984T1 true ATE545984T1 (de) | 2012-03-15 |
Family
ID=39472371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT09733123T ATE545984T1 (de) | 2008-04-18 | 2009-04-20 | Verbesserte pulsweitenmodulation |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8319570B2 (de) |
| EP (1) | EP2269306B1 (de) |
| JP (1) | JP5634391B2 (de) |
| KR (1) | KR101757649B1 (de) |
| CN (1) | CN102084592B (de) |
| AT (1) | ATE545984T1 (de) |
| GB (1) | GB2459304B (de) |
| WO (1) | WO2009127739A1 (de) |
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| US9277501B2 (en) | 2010-02-08 | 2016-03-01 | Broadcom Corporation | Envelope tracker driven transmit beamforming |
| DE102010011468B4 (de) * | 2010-02-23 | 2013-04-04 | Technische Universität Ilmenau | Verfahren und Schaltungsanordnung zur Transformation eines HF-Signals bei der Bandpass-Pulslängenmodulation |
| US8884563B2 (en) * | 2010-12-02 | 2014-11-11 | Jerry Fan | System and method for supplementing a generated DC power supply |
| US8797103B2 (en) | 2010-12-07 | 2014-08-05 | Skyworks Solutions, Inc. | Apparatus and methods for capacitive load reduction |
| US8587377B2 (en) | 2010-12-13 | 2013-11-19 | Skyworks Solutions, Inc. | Apparatus and methods for biasing a power amplifier |
| US8598950B2 (en) | 2010-12-14 | 2013-12-03 | Skyworks Solutions, Inc. | Apparatus and methods for capacitive load reduction |
| US8610503B2 (en) | 2010-12-17 | 2013-12-17 | Skyworks Solutions, Inc. | Apparatus and methods for oscillation suppression |
| CN103493368B (zh) | 2011-02-07 | 2017-09-12 | 天工方案公司 | 用于包络跟踪校准的装置和方法 |
| WO2012125657A2 (en) | 2011-03-15 | 2012-09-20 | Skyworks Solutions, Inc. | Apparatus and methods for capacitive load reduction |
| US8718188B2 (en) | 2011-04-25 | 2014-05-06 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking |
| CN102984629B (zh) | 2011-09-06 | 2014-12-17 | 昂宝电子（上海）有限公司 | 用于音频放大系统中降噪的方法 |
| CN102984630B (zh) | 2011-09-06 | 2015-12-02 | 昂宝电子（上海）有限公司 | 用于音频放大系统中减少失真的系统和方法 |
| EP2608403A1 (de) * | 2011-12-21 | 2013-06-26 | Alcatel Lucent | Verfahren zur Signalmodulation unter Verwendung von Pulsweitenmodulatoren |
| US9107167B2 (en) | 2012-12-03 | 2015-08-11 | Broadcom Corporation | Envelope tracking signal bandwidth control |
| US9167514B2 (en) | 2012-12-03 | 2015-10-20 | Broadcom Corporation | Unequal amplifier gain compression via shaping table |
| US9560595B2 (en) | 2012-12-03 | 2017-01-31 | Broadcom Corporation | Dynamic operating bandwidth configuration for an envelope tracker |
| US9225302B2 (en) | 2012-12-03 | 2015-12-29 | Broadcom Corporation | Controlled power boost for envelope tracker |
| KR101738730B1 (ko) | 2013-04-23 | 2017-05-22 | 스카이워크스 솔루션즈, 인코포레이티드 | 전력 증폭기 시스템에서의 엔벨로프 정형화 장치 및 방법 |
| US9685919B2 (en) | 2013-08-21 | 2017-06-20 | On-Bright Electronics (Shanghai) Co., Ltd. | Amplification systems and methods with output regulation |
| CN103441739B (zh) | 2013-08-21 | 2015-04-22 | 昂宝电子（上海）有限公司 | 具有一个或多个通道的放大系统和方法 |
| US8953670B1 (en) * | 2013-10-25 | 2015-02-10 | Mitsubishi Electric Research Laboratories, Inc. | Digital power encoder for direct digital-RF transmitter |
| US9445371B2 (en) | 2014-08-13 | 2016-09-13 | Skyworks Solutions, Inc. | Apparatus and methods for wideband envelope tracking systems |
| US9602056B2 (en) | 2014-09-19 | 2017-03-21 | Skyworks Solutions, Inc. | Amplifier with base current reuse |
| US10103693B2 (en) | 2015-09-30 | 2018-10-16 | Skyworks Solutions, Inc. | Power amplifier linearization system and method |
| KR101774665B1 (ko) * | 2015-12-01 | 2017-09-04 | 현대자동차주식회사 | 친환경 차량용 컨버터 제어 장치 및 그 방법 |
| US10110169B2 (en) | 2016-09-14 | 2018-10-23 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking systems with automatic mode selection |
| US10236831B2 (en) | 2017-05-12 | 2019-03-19 | Skyworks Solutions, Inc. | Envelope trackers providing compensation for power amplifier output load variation |
| US10615757B2 (en) | 2017-06-21 | 2020-04-07 | Skyworks Solutions, Inc. | Wide bandwidth envelope trackers |
| US10516368B2 (en) | 2017-06-21 | 2019-12-24 | Skyworks Solutions, Inc. | Fast envelope tracking systems for power amplifiers |
| US10084415B1 (en) * | 2017-08-24 | 2018-09-25 | Psemi Corporation | Fast charge for quick amplifier settling |
| US10298247B1 (en) * | 2018-03-13 | 2019-05-21 | Cirrus Logic, Inc. | Modulators |
| US10374583B1 (en) * | 2018-04-02 | 2019-08-06 | Analog Devices, Inc. | Dynamic hysteresis circuit |
| US10965279B2 (en) * | 2019-03-21 | 2021-03-30 | Texas Instruments Incorporated | Ramp generator for multilevel class-D amplifiers |
| US11152855B2 (en) * | 2019-05-21 | 2021-10-19 | Texas Instruments Incorporated | Multiple dithering profile signal generation |
| US11356082B2 (en) | 2019-12-12 | 2022-06-07 | Texas Instruments Incorporated | Folded ramp generator |
| US12095422B2 (en) | 2020-07-10 | 2024-09-17 | Skyworks Solutions, Inc. | Power amplifiers with supply capacitor switching |
| US12348189B2 (en) | 2021-02-26 | 2025-07-01 | Skyworks Solutions, Inc. | Power amplifiers with supply capacitor switching |
| US12413190B2 (en) | 2021-08-16 | 2025-09-09 | Skyworks Solutions, Inc. | Power amplifier supply networks with harmonic terminations |
| US11888482B2 (en) | 2021-12-29 | 2024-01-30 | Texas Instruments Incorporated | Hybrid hysteretic control system |
| CN115833797A (zh) * | 2022-12-02 | 2023-03-21 | 上海科世达-华阳汽车电器有限公司 | 一种控制方波下降沿前移的电路、装置 |
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| CN101141124B (zh) * | 2006-09-06 | 2011-04-20 | 台达电子工业股份有限公司 | 脉宽调制信号的电平判断装置及方法 |
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| GB2449914B (en) * | 2007-06-07 | 2012-01-18 | Wolfson Microelectronics Plc | Improved buck-boost converter |
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| US7830216B1 (en) * | 2008-09-23 | 2010-11-09 | Silicon Labs Sc, Inc. | Precision, temperature stable clock using a frequency-control circuit and a single oscillator |
| US8975970B2 (en) * | 2010-02-01 | 2015-03-10 | Silicon Laboratories Inc. | Producing a desired frequency using a controlled oscillator with known temperature sensitivity |
-
2008
- 2008-04-18 GB GB0807133.4A patent/GB2459304B/en active Active
-
2009
- 2009-04-20 JP JP2011504484A patent/JP5634391B2/ja not_active Expired - Fee Related
- 2009-04-20 EP EP09733123A patent/EP2269306B1/de active Active
- 2009-04-20 KR KR1020107025685A patent/KR101757649B1/ko active Active
- 2009-04-20 US US12/988,376 patent/US8319570B2/en active Active
- 2009-04-20 CN CN200980123162.1A patent/CN102084592B/zh active Active
- 2009-04-20 WO PCT/EP2009/054676 patent/WO2009127739A1/en not_active Ceased
- 2009-04-20 AT AT09733123T patent/ATE545984T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2269306B1 (de) | 2012-02-15 |
| US8319570B2 (en) | 2012-11-27 |
| JP5634391B2 (ja) | 2014-12-03 |
| KR20110021776A (ko) | 2011-03-04 |
| GB0807133D0 (en) | 2008-05-21 |
| WO2009127739A1 (en) | 2009-10-22 |
| JP2011520328A (ja) | 2011-07-14 |
| KR101757649B1 (ko) | 2017-07-26 |
| CN102084592A (zh) | 2011-06-01 |
| CN102084592B (zh) | 2014-04-23 |
| GB2459304B (en) | 2013-02-20 |
| GB2459304A (en) | 2009-10-21 |
| EP2269306A1 (de) | 2011-01-05 |
| US20110095837A1 (en) | 2011-04-28 |
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