TWI350051B - Circuit and method for generating a pwm control signal for a class-d amplifier - Google Patents
Circuit and method for generating a pwm control signal for a class-d amplifierInfo
- Publication number
- TWI350051B TWI350051B TW097100382A TW97100382A TWI350051B TW I350051 B TWI350051 B TW I350051B TW 097100382 A TW097100382 A TW 097100382A TW 97100382 A TW97100382 A TW 97100382A TW I350051 B TWI350051 B TW I350051B
- Authority
- TW
- Taiwan
- Prior art keywords
- amplifier
- class
- generating
- circuit
- control signal
- Prior art date
Links
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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW097100382A TWI350051B (en) | 2008-01-04 | 2008-01-04 | Circuit and method for generating a pwm control signal for a class-d amplifier |
US12/285,710 US7741902B2 (en) | 2008-01-04 | 2008-10-14 | Circuit and method for generating a PWM control signal for a class-D amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW097100382A TWI350051B (en) | 2008-01-04 | 2008-01-04 | Circuit and method for generating a pwm control signal for a class-d amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200931794A TW200931794A (en) | 2009-07-16 |
TWI350051B true TWI350051B (en) | 2011-10-01 |
Family
ID=40844099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW097100382A TWI350051B (en) | 2008-01-04 | 2008-01-04 | Circuit and method for generating a pwm control signal for a class-d amplifier |
Country Status (2)
Country | Link |
---|---|
US (1) | US7741902B2 (zh) |
TW (1) | TWI350051B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM365017U (en) * | 2009-04-03 | 2009-09-11 | Amazing Microelectronic Corp | D-class amplifier |
JP5459304B2 (ja) * | 2011-02-28 | 2014-04-02 | 株式会社安川電機 | 電流形電力変換装置 |
TWI584579B (zh) * | 2015-04-24 | 2017-05-21 | 晶豪科技股份有限公司 | 音頻放大器之調變選擇電路及其方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5982231A (en) * | 1997-07-23 | 1999-11-09 | Linfinity Microelectronics, Inc. | Multiple channel class D audio amplifier |
JP2005123949A (ja) * | 2003-10-17 | 2005-05-12 | Yamaha Corp | D級増幅器 |
JP2005322958A (ja) * | 2004-05-06 | 2005-11-17 | Nec Electronics Corp | D級アンプ |
US8022756B2 (en) * | 2007-05-15 | 2011-09-20 | Qualcomm, Incorporated | Output circuits with class D amplifier |
-
2008
- 2008-01-04 TW TW097100382A patent/TWI350051B/zh not_active IP Right Cessation
- 2008-10-14 US US12/285,710 patent/US7741902B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7741902B2 (en) | 2010-06-22 |
TW200931794A (en) | 2009-07-16 |
US20090174478A1 (en) | 2009-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |