HK1132589A1 - Amplification circuit and method therefor - Google Patents
Amplification circuit and method thereforInfo
- Publication number
- HK1132589A1 HK1132589A1 HK09110069.6A HK09110069A HK1132589A1 HK 1132589 A1 HK1132589 A1 HK 1132589A1 HK 09110069 A HK09110069 A HK 09110069A HK 1132589 A1 HK1132589 A1 HK 1132589A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- amplification circuit
- method therefor
- signal
- analog
- modify
- Prior art date
Links
- 230000003321 amplification Effects 0.000 title abstract 2
- 238000003199 nucleic acid amplification method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2006/035072 WO2008033116A1 (en) | 2006-09-11 | 2006-09-11 | Amplification circuit and method therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1132589A1 true HK1132589A1 (en) | 2010-02-26 |
Family
ID=37654960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK09110069.6A HK1132589A1 (en) | 2006-09-11 | 2009-10-29 | Amplification circuit and method therefor |
Country Status (6)
Country | Link |
---|---|
US (1) | US8724831B2 (ko) |
KR (1) | KR101349002B1 (ko) |
CN (1) | CN101473532B (ko) |
HK (1) | HK1132589A1 (ko) |
TW (1) | TWI418141B (ko) |
WO (1) | WO2008033116A1 (ko) |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3461406A (en) * | 1966-07-05 | 1969-08-12 | Motorola Inc | Delta modulator using operational integration |
JPS5829646B2 (ja) * | 1974-11-02 | 1983-06-24 | ソニー株式会社 | パルス幅変調増幅器 |
JPS5818804B2 (ja) | 1974-12-18 | 1983-04-14 | ソニー株式会社 | パルス幅変調増巾回路 |
US4689819B1 (en) * | 1983-12-08 | 1996-08-13 | Knowles Electronics Inc | Class D hearing aid amplifier |
DE3572098D1 (en) * | 1984-11-02 | 1989-09-07 | Bose Corp | Frequency-stabilized two-state modulation |
US5247581A (en) * | 1991-09-27 | 1993-09-21 | Exar Corporation | Class-d bicmos hearing aid output amplifier |
US5389829A (en) * | 1991-09-27 | 1995-02-14 | Exar Corporation | Output limiter for class-D BICMOS hearing aid output amplifier |
US5815581A (en) * | 1995-10-19 | 1998-09-29 | Mitel Semiconductor, Inc. | Class D hearing aid amplifier with feedback |
US5973368A (en) * | 1996-06-05 | 1999-10-26 | Pearce; Lawrence G. | Monolithic class D amplifier |
US6285251B1 (en) * | 1998-04-02 | 2001-09-04 | Ericsson Inc. | Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control |
IL129270A0 (en) * | 1999-03-30 | 2000-02-17 | Dip Digital Power Ltd | Class "d" amplifier |
US20030122605A1 (en) * | 1999-08-15 | 2003-07-03 | Ulrick John W. | Current limiting circuit |
US6304137B1 (en) * | 1999-12-23 | 2001-10-16 | Red Chip Company Limited | Output stage for high power class D amplifiers |
US7319763B2 (en) * | 2001-07-11 | 2008-01-15 | American Technology Corporation | Power amplification for parametric loudspeakers |
US6621335B2 (en) * | 2001-04-18 | 2003-09-16 | Microsemi Corporation | Class D amplifier with passive RC network |
GB0110340D0 (en) * | 2001-04-27 | 2001-06-20 | Watts Robert D | A signal processing circuit |
KR100435182B1 (ko) * | 2002-02-05 | 2004-06-09 | 주식회사 디지털앤아날로그 | Pwm 부궤환에 의한 디지털 pwm 입력 d급 음향 증폭기 |
WO2003092327A1 (en) * | 2002-04-25 | 2003-11-06 | Nokia Corporation | Method and device for reducing high frequency error components of a multi-channel modulator |
US6924700B2 (en) * | 2002-10-03 | 2005-08-02 | Mitsubishi Denki Kabushiki Kaisha | Class D amplifier |
US7002406B2 (en) * | 2003-05-16 | 2006-02-21 | Texas Instruments Incorporated | Loop filter for class D amplifiers |
US20040232978A1 (en) * | 2003-05-23 | 2004-11-25 | Easson Craig Alexander | Filterless class D amplifiers using spread spectrum PWM modulation |
US7058464B2 (en) * | 2003-07-17 | 2006-06-06 | Ess Technology, Inc. | Device and method for signal processing |
US7078964B2 (en) * | 2003-10-15 | 2006-07-18 | Texas Instruments Incorporated | Detection of DC output levels from a class D amplifier |
US7142050B2 (en) * | 2003-10-15 | 2006-11-28 | Texas Instruments Incorporated | Recovery from clipping events in a class D amplifier |
JP2005223667A (ja) * | 2004-02-06 | 2005-08-18 | Digian Technology Inc | オーディオ信号増幅方法および装置 |
US7161428B2 (en) * | 2004-04-26 | 2007-01-09 | Rgb Systems, Inc. | Method and apparatus for extending the bandwidth of a Class D amplifier circuit |
US20060044057A1 (en) * | 2004-08-26 | 2006-03-02 | Rahmi Hezar | Class-D amplifier having high order loop filtering |
JP4622423B2 (ja) * | 2004-09-29 | 2011-02-02 | 日本テキサス・インスツルメンツ株式会社 | パルス幅変調信号発生回路 |
JP4852837B2 (ja) * | 2004-11-01 | 2012-01-11 | 日本テキサス・インスツルメンツ株式会社 | Pwmドライバおよびこれを用いたd級増幅器 |
US7492217B2 (en) * | 2004-11-12 | 2009-02-17 | Texas Instruments Incorporated | On-the-fly introduction of inter-channel delay in a pulse-width-modulation amplifier |
TWI361559B (en) * | 2005-03-07 | 2012-04-01 | Monolithic Power Systems Inc | Audio amplifier with high power and high efficiency |
US7218173B2 (en) * | 2005-04-08 | 2007-05-15 | Maxim Integrated Products, Inc. | Minimum on time, dual supply class D amplifiers with ground speaker returns and methods of class D amplification |
JP4675138B2 (ja) * | 2005-04-14 | 2011-04-20 | シャープ株式会社 | スイッチング増幅器 |
US7084799B1 (en) * | 2005-05-09 | 2006-08-01 | Sls International, Inc. | Sigma-delta modulated amplifier |
US20070019350A1 (en) * | 2005-06-24 | 2007-01-25 | Power Analog Microelectronics, Inc. | Short circuit protection for complementary circuit |
US7262658B2 (en) * | 2005-07-29 | 2007-08-28 | Texas Instruments Incorporated | Class-D amplifier system |
US20070057721A1 (en) * | 2005-08-31 | 2007-03-15 | Texas Instruments Incorporated | System for amplifiers with low distortion and low output impedance |
US7427893B2 (en) * | 2006-06-15 | 2008-09-23 | Kwang-Hwa Liu | Circuit and method for controlling the power mode a class-D amplifier |
-
2006
- 2006-09-11 US US11/817,392 patent/US8724831B2/en active Active
- 2006-09-11 KR KR1020097004973A patent/KR101349002B1/ko active IP Right Grant
- 2006-09-11 CN CN200680055107XA patent/CN101473532B/zh active Active
- 2006-09-11 WO PCT/US2006/035072 patent/WO2008033116A1/en active Application Filing
-
2007
- 2007-08-13 TW TW096129878A patent/TWI418141B/zh active
-
2009
- 2009-10-29 HK HK09110069.6A patent/HK1132589A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CN101473532B (zh) | 2013-06-12 |
US8724831B2 (en) | 2014-05-13 |
US20090245540A1 (en) | 2009-10-01 |
TW200826484A (en) | 2008-06-16 |
WO2008033116A1 (en) | 2008-03-20 |
CN101473532A (zh) | 2009-07-01 |
KR20090051086A (ko) | 2009-05-20 |
TWI418141B (zh) | 2013-12-01 |
KR101349002B1 (ko) | 2014-01-09 |
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