CN105027432B - 具有一位滞后量化器的窄电压范围多电平输出脉冲调制放大器 - Google Patents
具有一位滞后量化器的窄电压范围多电平输出脉冲调制放大器 Download PDFInfo
- Publication number
- CN105027432B CN105027432B CN201480004330.6A CN201480004330A CN105027432B CN 105027432 B CN105027432 B CN 105027432B CN 201480004330 A CN201480004330 A CN 201480004330A CN 105027432 B CN105027432 B CN 105027432B
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- voltage
- control signal
- output
- input
- power stage
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Classifications
-
- 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
- H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (27)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/738,450 US8981844B2 (en) | 2013-01-10 | 2013-01-10 | Narrow voltage range multi-level output pulse modulated amplifier with one-bit hysteresis quantizer |
US13/738,450 | 2013-01-10 | ||
PCT/IB2014/000020 WO2014108796A1 (en) | 2013-01-10 | 2014-01-10 | Narrow voltage range multi-level output pulse modulated amplifier with one-bit hysteresis quantizer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105027432A CN105027432A (zh) | 2015-11-04 |
CN105027432B true CN105027432B (zh) | 2018-01-09 |
Family
ID=50030389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480004330.6A Active CN105027432B (zh) | 2013-01-10 | 2014-01-10 | 具有一位滞后量化器的窄电压范围多电平输出脉冲调制放大器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8981844B2 (zh) |
EP (1) | EP2944025B1 (zh) |
CN (1) | CN105027432B (zh) |
WO (1) | WO2014108796A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9350239B2 (en) * | 2013-03-15 | 2016-05-24 | Broadcom Corporation | Split-switcher voltage regulator architecture |
US10673397B2 (en) * | 2017-03-01 | 2020-06-02 | Novatek Microelectronics Corp. | Operational amplifier |
US10998011B2 (en) * | 2018-08-21 | 2021-05-04 | Micron Technology, Inc. | Drive strength calibration for multi-level signaling |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6492868B2 (en) * | 2000-08-14 | 2002-12-10 | Larry Kirn | Dynamic range enhancement technique |
CN1954495A (zh) * | 2004-05-14 | 2007-04-25 | 飞思卡尔半导体公司 | 具有使用累积噪声整形的数字pwm信号发生器的方法和装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI282211B (en) * | 2005-01-17 | 2007-06-01 | Realtek Semiconductor Corp | Power amplifier and method for correcting error of output signals thereof |
JP4791740B2 (ja) | 2005-03-14 | 2011-10-12 | 旭化成エレクトロニクス株式会社 | デジタルスイッチングアンプ |
US7518348B1 (en) | 2005-04-20 | 2009-04-14 | National Semiconductor Corporation | Adaptive error amplifier clamp circuit to improve transient response of DC/DC converter with current mode control |
JP2007036736A (ja) | 2005-07-27 | 2007-02-08 | Sharp Corp | デジタルスイッチングアンプ |
GB2429351B (en) * | 2005-08-17 | 2009-07-08 | Wolfson Microelectronics Plc | Feedback controller for PWM amplifier |
TW200913469A (en) | 2007-09-13 | 2009-03-16 | Richtek Technology Corp | Σ-Δ modulated class D amplifier and the control method thereof |
JP5388362B2 (ja) * | 2010-03-11 | 2014-01-15 | パナソニック株式会社 | デジタルアンプ |
US8212612B2 (en) * | 2010-07-19 | 2012-07-03 | Broadcom Corporation | Closed-loop class-D amplifier with modulated reference signal and related method |
US8526640B2 (en) | 2010-08-25 | 2013-09-03 | Modiotek Co., Ltd. | Apparatus and method for switching audio amplification |
US8330541B2 (en) | 2011-03-01 | 2012-12-11 | Maxim Integrated Products, Inc. | Multilevel class-D amplifier |
US8854132B2 (en) * | 2011-11-11 | 2014-10-07 | Wolfson Microelectronics Plc | Amplifier circuit |
US8643436B2 (en) * | 2011-11-22 | 2014-02-04 | Analog Devices, Inc. | Multi-level boosted Class D amplifier |
-
2013
- 2013-01-10 US US13/738,450 patent/US8981844B2/en active Active
-
2014
- 2014-01-10 EP EP14702075.4A patent/EP2944025B1/en active Active
- 2014-01-10 CN CN201480004330.6A patent/CN105027432B/zh active Active
- 2014-01-10 WO PCT/IB2014/000020 patent/WO2014108796A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6492868B2 (en) * | 2000-08-14 | 2002-12-10 | Larry Kirn | Dynamic range enhancement technique |
CN1954495A (zh) * | 2004-05-14 | 2007-04-25 | 飞思卡尔半导体公司 | 具有使用累积噪声整形的数字pwm信号发生器的方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2944025A1 (en) | 2015-11-18 |
CN105027432A (zh) | 2015-11-04 |
WO2014108796A1 (en) | 2014-07-17 |
EP2944025B1 (en) | 2019-05-01 |
US8981844B2 (en) | 2015-03-17 |
US20140191802A1 (en) | 2014-07-10 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Limerick Patentee after: Analog Devices Global Unlimited Co. Address before: Limerick Patentee before: Analog Devices Global |
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CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: Limerick Patentee after: Analog Devices Global Address before: Bermuda (UK) Hamilton Patentee before: Analog Devices Global |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210705 Address after: Limerick Patentee after: ANALOG DEVICES INTERNATIONAL UNLIMITED Co. Address before: Limerick Patentee before: Analog Devices Global Unlimited Co. |