KR101593438B1 - 하프-브리지 3-레벨 펄스폭 변조 증폭기, 이의 구동 방법 및 오디오 처리 장치 - Google Patents
하프-브리지 3-레벨 펄스폭 변조 증폭기, 이의 구동 방법 및 오디오 처리 장치 Download PDFInfo
- Publication number
- KR101593438B1 KR101593438B1 KR1020090087600A KR20090087600A KR101593438B1 KR 101593438 B1 KR101593438 B1 KR 101593438B1 KR 1020090087600 A KR1020090087600 A KR 1020090087600A KR 20090087600 A KR20090087600 A KR 20090087600A KR 101593438 B1 KR101593438 B1 KR 101593438B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- level
- power supply
- supply voltage
- input signal
- 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
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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
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such 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
- H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
-
- 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
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/007—Control dependent on the supply voltage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/017—Adjustment of width or dutycycle of pulses
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Amplifiers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090087600A KR101593438B1 (ko) | 2009-09-16 | 2009-09-16 | 하프-브리지 3-레벨 펄스폭 변조 증폭기, 이의 구동 방법 및 오디오 처리 장치 |
| US12/850,782 US8362832B2 (en) | 2009-09-16 | 2010-08-05 | Half-bridge three-level PWM amplifier and audio processing apparatus including the same |
| JP2010194433A JP5674387B2 (ja) | 2009-09-16 | 2010-08-31 | 3−レベルパルス幅変調増幅器及びこれを含むオーディオ処理装置 |
| DE102010040732.1A DE102010040732B4 (de) | 2009-09-16 | 2010-09-14 | Dreipegel-PWM-Verstärker und Audioverarbeitungsvorrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090087600A KR101593438B1 (ko) | 2009-09-16 | 2009-09-16 | 하프-브리지 3-레벨 펄스폭 변조 증폭기, 이의 구동 방법 및 오디오 처리 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20110029776A KR20110029776A (ko) | 2011-03-23 |
| KR101593438B1 true KR101593438B1 (ko) | 2016-02-12 |
Family
ID=43730567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020090087600A Expired - Fee Related KR101593438B1 (ko) | 2009-09-16 | 2009-09-16 | 하프-브리지 3-레벨 펄스폭 변조 증폭기, 이의 구동 방법 및 오디오 처리 장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8362832B2 (enExample) |
| JP (1) | JP5674387B2 (enExample) |
| KR (1) | KR101593438B1 (enExample) |
| DE (1) | DE102010040732B4 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200003785A (ko) * | 2017-03-01 | 2020-01-10 | 파울로 미구엘 데 아라우조 보르게스 몬테즈마 데 카르발호 | 비선형 증폭기를 이용한 양자화된 선형 증폭 장치 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2448114B1 (en) * | 2010-10-27 | 2012-12-12 | ST-Ericsson SA | Method and apparatus for efficient and distortion compensated digital Class-D amplifier ternary modulation scheme |
| US9564948B2 (en) | 2011-11-18 | 2017-02-07 | Nxp B.V. | 3-level bridge driver with single supply and low common mode EMI emission |
| US20130241663A1 (en) * | 2012-03-15 | 2013-09-19 | Texas Instruments Incorporated | Pulse width modulation scheme with reduced harmonics and signal images |
| JP6172580B2 (ja) * | 2014-12-25 | 2017-08-02 | ヤマハ株式会社 | 差動信号を利用したアナログ信号生成装置および方法 |
| KR101779698B1 (ko) | 2016-02-18 | 2017-09-18 | 엘에스산전 주식회사 | Pwm 신호의 생성 방법 및 장치 |
| US10177776B1 (en) * | 2017-08-04 | 2019-01-08 | Mitsubishi Electric Research Laboratories, Inc. | Noise mitigating quantizer for reducing nonlinear distortion in digital signal transmission |
| NL2023246B1 (en) * | 2019-06-01 | 2020-12-11 | Semiconductor Ideas To The Market Itom Bv | Three level PWM Class D amplifier |
| CN112271947B (zh) * | 2020-10-29 | 2021-09-03 | 同济大学 | 分段同步shepwm切换控制方法、介质及电子设备 |
| CN115225045A (zh) * | 2021-04-21 | 2022-10-21 | 中国科学院微电子研究所 | 一种电压转换器、方法及电子设备 |
| US20250030387A1 (en) * | 2023-07-21 | 2025-01-23 | Cirrus Logic International Semiconductor Ltd. | Switching drivers with voltage monitoring |
| US12401997B1 (en) | 2025-03-06 | 2025-08-26 | Qdacomm Llc | Physical layer security |
| US12395128B1 (en) | 2025-03-06 | 2025-08-19 | Qdacomm Llc | Decomposition of signals into a sum of truncated fourier series |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000500625A (ja) | 1995-11-13 | 2000-01-18 | アポジー・テクノロジー・インコーポレイテツド | 三状態パワースイッチへの小さい入力信号の線形化のためのデジタル信号処理 |
| JP2005311472A (ja) * | 2004-04-16 | 2005-11-04 | Mitsubishi Electric Corp | D級増幅器 |
| JP2005348361A (ja) | 2004-06-07 | 2005-12-15 | Sharp Corp | 増幅器 |
| US7492219B1 (en) * | 2006-08-10 | 2009-02-17 | Marvell International Ltd. | Power efficient amplifier |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3625169B2 (ja) | 2000-01-27 | 2005-03-02 | シャープ株式会社 | ディジタルスイッチングアンプ |
| JP3576461B2 (ja) | 2000-05-22 | 2004-10-13 | シャープ株式会社 | ディジタルスイッチング増幅器 |
| JP2003234621A (ja) | 2002-02-12 | 2003-08-22 | Alpine Electronics Inc | オーディオ装置 |
| JP2005006093A (ja) * | 2003-06-12 | 2005-01-06 | Sharp Corp | ディジタルアンプ及びこれを用いたオーディオ再生装置 |
| JP4445304B2 (ja) | 2004-03-26 | 2010-04-07 | オンキヨー株式会社 | スイッチングアンプ |
| US8466743B2 (en) * | 2010-04-27 | 2013-06-18 | Broadcom Corporation | Ground-referenced common-mode amplifier circuit and related method |
-
2009
- 2009-09-16 KR KR1020090087600A patent/KR101593438B1/ko not_active Expired - Fee Related
-
2010
- 2010-08-05 US US12/850,782 patent/US8362832B2/en active Active
- 2010-08-31 JP JP2010194433A patent/JP5674387B2/ja active Active
- 2010-09-14 DE DE102010040732.1A patent/DE102010040732B4/de active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000500625A (ja) | 1995-11-13 | 2000-01-18 | アポジー・テクノロジー・インコーポレイテツド | 三状態パワースイッチへの小さい入力信号の線形化のためのデジタル信号処理 |
| JP2005311472A (ja) * | 2004-04-16 | 2005-11-04 | Mitsubishi Electric Corp | D級増幅器 |
| JP2005348361A (ja) | 2004-06-07 | 2005-12-15 | Sharp Corp | 増幅器 |
| US7492219B1 (en) * | 2006-08-10 | 2009-02-17 | Marvell International Ltd. | Power efficient amplifier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200003785A (ko) * | 2017-03-01 | 2020-01-10 | 파울로 미구엘 데 아라우조 보르게스 몬테즈마 데 카르발호 | 비선형 증폭기를 이용한 양자화된 선형 증폭 장치 |
| KR102608544B1 (ko) | 2017-03-01 | 2023-11-30 | 파울로 미구엘 데 아라우조 보르게스 몬테즈마 데 카르발호 | 비선형 증폭기를 이용한 양자화된 선형 증폭 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110064245A1 (en) | 2011-03-17 |
| JP5674387B2 (ja) | 2015-02-25 |
| DE102010040732A1 (de) | 2011-05-19 |
| DE102010040732B4 (de) | 2022-11-03 |
| KR20110029776A (ko) | 2011-03-23 |
| JP2011066880A (ja) | 2011-03-31 |
| US8362832B2 (en) | 2013-01-29 |
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