DE69818631D1 - Verstärkungsanordnung für digitale signale - Google Patents
Verstärkungsanordnung für digitale signaleInfo
- Publication number
- DE69818631D1 DE69818631D1 DE69818631T DE69818631T DE69818631D1 DE 69818631 D1 DE69818631 D1 DE 69818631D1 DE 69818631 T DE69818631 T DE 69818631T DE 69818631 T DE69818631 T DE 69818631T DE 69818631 D1 DE69818631 D1 DE 69818631D1
- Authority
- DE
- Germany
- Prior art keywords
- digital signals
- reinforcing arrangement
- reinforcing
- arrangement
- digital
- 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 - Lifetime
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/331—Sigma delta modulation being used in an amplifying circuit
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97202484 | 1997-08-12 | ||
EP97202484 | 1997-08-12 | ||
PCT/IB1998/001080 WO1999008378A2 (en) | 1997-08-12 | 1998-07-16 | Device for amplifying digital signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69818631D1 true DE69818631D1 (de) | 2003-11-06 |
DE69818631T2 DE69818631T2 (de) | 2004-08-12 |
Family
ID=8228634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69818631T Expired - Lifetime DE69818631T2 (de) | 1997-08-12 | 1998-07-16 | Verstärkungsanordnung für digitale signale |
Country Status (5)
Country | Link |
---|---|
US (1) | US6140875A (de) |
EP (1) | EP0932932B1 (de) |
JP (1) | JP2001502156A (de) |
DE (1) | DE69818631T2 (de) |
WO (1) | WO1999008378A2 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6476673B2 (en) | 2000-07-12 | 2002-11-05 | Monolithic Power Systems, Inc. | Class D audio amplifier |
US6420930B1 (en) | 2000-07-12 | 2002-07-16 | Monolithic Power Systems, Inc. | Class D audio amplifier |
JP3776392B2 (ja) * | 2002-10-03 | 2006-05-17 | 三菱電機株式会社 | D級増幅器 |
CN1277351C (zh) | 2002-10-03 | 2006-09-27 | 三菱电机株式会社 | D类放大器 |
US7545865B2 (en) * | 2002-12-03 | 2009-06-09 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for wideband signal processing |
US7187231B2 (en) * | 2002-12-02 | 2007-03-06 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for multiband signal processing |
US6891432B2 (en) * | 2002-11-14 | 2005-05-10 | Mia-Com, Inc. | Apparatus, methods and articles of manufacture for electromagnetic processing |
US6924699B2 (en) * | 2003-03-06 | 2005-08-02 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for digital modification in electromagnetic signal processing |
US7526260B2 (en) * | 2002-11-14 | 2009-04-28 | M/A-Com Eurotec, B.V. | Apparatus, methods and articles of manufacture for linear signal modification |
US7245183B2 (en) * | 2002-11-14 | 2007-07-17 | M/A-Com Eurotec Bv | Apparatus, methods and articles of manufacture for processing an electromagnetic wave |
US7203262B2 (en) | 2003-05-13 | 2007-04-10 | M/A-Com, Inc. | Methods and apparatus for signal modification in a fractional-N phase locked loop system |
US7298854B2 (en) * | 2002-12-04 | 2007-11-20 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing |
EP1429455A1 (de) * | 2002-12-11 | 2004-06-16 | Dialog Semiconductor GmbH | Linearisierung eines PDM-Klasse-D Verstärkers |
US6859098B2 (en) | 2003-01-17 | 2005-02-22 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for control in an electromagnetic processor |
US7038535B2 (en) * | 2003-03-29 | 2006-05-02 | Wai Laing Lee | PWM digital amplifier with high-order loop filter |
US7480511B2 (en) * | 2003-09-19 | 2009-01-20 | Trimble Navigation Limited | Method and system for delivering virtual reference station data |
US7091778B2 (en) * | 2003-09-19 | 2006-08-15 | M/A-Com, Inc. | Adaptive wideband digital amplifier for linearly modulated signal amplification and transmission |
AU2003304647A1 (en) * | 2003-10-10 | 2005-04-27 | Tc Electronic A/S | Power supply compensation |
US7343138B2 (en) * | 2003-12-08 | 2008-03-11 | M/A-Com, Inc. | Compensating for load pull in electromagentic signal propagation using adaptive impedance matching |
TWI282211B (en) * | 2005-01-17 | 2007-06-01 | Realtek Semiconductor Corp | Power amplifier and method for correcting error of output signals thereof |
US7283001B2 (en) * | 2005-05-12 | 2007-10-16 | Cirrus Logic, Inc. | Noise-shaping amplifier with waveform lock |
GB2429351B (en) * | 2005-08-17 | 2009-07-08 | Wolfson Microelectronics Plc | Feedback controller for PWM amplifier |
CN101371434B (zh) * | 2006-01-24 | 2011-04-20 | D2音频有限公司 | 用于通过将超声波信号加到输入音频信号以改进数字放大器的性能的系统和方法 |
TWI336166B (en) * | 2006-02-20 | 2011-01-11 | Realtek Semiconductor Corp | Digital amplifier and thereof method |
US7965141B2 (en) * | 2006-07-07 | 2011-06-21 | Nxp B.V. | Class D audio amplifier |
US7847433B2 (en) * | 2007-11-27 | 2010-12-07 | Rain Bird Corporation | Universal irrigation controller power supply |
US7554391B1 (en) | 2008-01-11 | 2009-06-30 | Freescale Semiconductor, Inc. | Amplifier having a virtual ground and method thereof |
JP5376311B2 (ja) * | 2009-07-27 | 2013-12-25 | ローム株式会社 | 半導体装置および電子機器 |
SE534502C2 (sv) | 2009-09-14 | 2011-09-13 | Abletec As | Effektförstärkare |
CN103329431B (zh) * | 2010-10-27 | 2016-09-14 | 梅鲁斯音频有限公司 | 使用多电平脉冲宽度调制的音频放大器 |
JP5618776B2 (ja) * | 2010-11-22 | 2014-11-05 | ローム株式会社 | 半導体装置及びこれを用いた電子機器 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3537022A (en) * | 1968-01-10 | 1970-10-27 | Hewlett Packard Co | Signal translating circuit |
JPS5829646B2 (ja) * | 1974-11-02 | 1983-06-24 | ソニー株式会社 | パルス幅変調増幅器 |
JPS5947486B2 (ja) * | 1976-12-06 | 1984-11-19 | ソニー株式会社 | パルス幅変調増巾回路 |
JPS6017167B2 (ja) * | 1978-05-23 | 1985-05-01 | ソニー株式会社 | パルス巾変調信号増幅回路 |
JPS58130617A (ja) * | 1982-01-29 | 1983-08-04 | Nippon Gakki Seizo Kk | パルス幅変調回路 |
US4554512A (en) * | 1984-08-27 | 1985-11-19 | Aerotech, Inc. | Switching amplifier with MOSFET driver circuit |
SU1252887A1 (ru) * | 1985-01-07 | 1986-08-23 | Предприятие П/Я А-1658 | Преобразователь с частотно-широтно-импульсным управлением |
DE3934215A1 (de) * | 1989-10-13 | 1991-04-18 | Rheydt Kabelwerk Ag | Digital/analogsystem |
GB9027503D0 (en) * | 1990-12-19 | 1991-02-06 | Sandler Mark B | Improvements in or relating to digital to analogue conversion |
US5218315A (en) * | 1992-01-06 | 1993-06-08 | Infinity Systems, Inc. | Switching amplifier |
US5160896A (en) * | 1992-02-18 | 1992-11-03 | Harman International Industries, Incorporated | Class D amplifier |
US5352986A (en) * | 1993-01-22 | 1994-10-04 | Digital Fidelity, Inc. | Closed loop power controller |
US5410592A (en) * | 1993-06-04 | 1995-04-25 | Harris Corporation | Class `D` audio speaker amplifier circuit with state variable feedback control |
US5815581A (en) * | 1995-10-19 | 1998-09-29 | Mitel Semiconductor, Inc. | Class D hearing aid amplifier with feedback |
US5617058A (en) * | 1995-11-13 | 1997-04-01 | Apogee Technology, Inc. | Digital signal processing for linearization of small input signals to a tri-state power switch |
DE19619208A1 (de) * | 1996-05-11 | 1997-11-13 | Klugbauer Heilmeier Josef | Digitaler Verstärker |
-
1998
- 1998-07-16 EP EP98929593A patent/EP0932932B1/de not_active Expired - Lifetime
- 1998-07-16 JP JP11511895A patent/JP2001502156A/ja not_active Ceased
- 1998-07-16 DE DE69818631T patent/DE69818631T2/de not_active Expired - Lifetime
- 1998-07-16 WO PCT/IB1998/001080 patent/WO1999008378A2/en active IP Right Grant
- 1998-08-05 US US09/129,498 patent/US6140875A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1999008378A2 (en) | 1999-02-18 |
WO1999008378A3 (en) | 1999-04-29 |
JP2001502156A (ja) | 2001-02-13 |
EP0932932B1 (de) | 2003-10-01 |
US6140875A (en) | 2000-10-31 |
DE69818631T2 (de) | 2004-08-12 |
EP0932932A1 (de) | 1999-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: NXP B.V., EINDHOVEN, NL |