CN1716762A - D类放大器 - Google Patents
D类放大器 Download PDFInfo
- Publication number
- CN1716762A CN1716762A CNA2005100791691A CN200510079169A CN1716762A CN 1716762 A CN1716762 A CN 1716762A CN A2005100791691 A CNA2005100791691 A CN A2005100791691A CN 200510079169 A CN200510079169 A CN 200510079169A CN 1716762 A CN1716762 A CN 1716762A
- Authority
- CN
- China
- Prior art keywords
- amplifier
- class
- signal
- resistance
- comparator
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 19
- 230000000295 complement effect Effects 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/38—Positive-feedback circuit arrangements without negative feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- 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
- 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
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/78—A comparator being used in a controlling circuit of an amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
1 | xDSL收发器 |
2 | xDSL收发器芯片 |
3 | 线路驱动器 |
4 | 信号输入端 |
5 | 内部线路 |
6 | 收发器端子 |
7 | 负载阻抗 |
8 | 接收器 |
9 | 接收器输入端 |
10 | 回波抵消桥 |
11 | 感应阻抗 |
12 | 反馈线路 |
13 | 端子 |
14 | 内部线路 |
15 | 反馈电阻网络 |
16 | 反馈线路 |
17 | 端子 |
18 | 内部线路 |
19 | 内部线路 |
20 | 可编程的控制线路 |
21 | D类功率放大器 |
22 | 解调滤波器 |
23 | 比较器 |
24a、24b | 驱动级 |
25 | 相位控制电路 |
26 | 控制线路 |
26a、26b | 比较器输入端 |
27a、27b | 输入信号线 |
28 | 比较器输出端 |
28a、28b | 输出端 |
29 | 信号线 |
29a、29b | 电阻 |
30 | 电容器 |
31a、31b | 电容器 |
32 | 接地端 |
33a、33b | 电阻 |
34a、34b | 电阻 |
35a、35b | 接地端 |
36a、36b | 输出信号线 |
Claims (23)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04015202.7A EP1612934B1 (en) | 2004-06-29 | 2004-06-29 | Class d-amplifier |
EP04015202.7 | 2004-06-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1716762A true CN1716762A (zh) | 2006-01-04 |
CN100553121C CN100553121C (zh) | 2009-10-21 |
Family
ID=34925532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100791691A Active CN100553121C (zh) | 2004-06-29 | 2005-06-28 | D类放大器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7282992B2 (zh) |
EP (1) | EP1612934B1 (zh) |
CN (1) | CN100553121C (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101038473B (zh) * | 2006-03-14 | 2011-01-26 | 三星电子株式会社 | 控制加热辊功率供给的设备和方法及相应的相位控制电路 |
CN101589548B (zh) * | 2007-01-31 | 2012-08-15 | 麦德托尼克公司 | 斩波稳定仪器放大器和用于测量阻抗的方法 |
CN103338013A (zh) * | 2013-07-19 | 2013-10-02 | 中国科学院微电子研究所 | 一种边沿斜率控制的d类音频功率放大器的功率管栅极驱动器 |
CN106992756A (zh) * | 2017-03-03 | 2017-07-28 | 广东欧珀移动通信有限公司 | D类功率放大器和音频设备 |
CN106992760A (zh) * | 2017-03-03 | 2017-07-28 | 广东欧珀移动通信有限公司 | D类功率放大器和音频设备 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100533958C (zh) * | 2006-02-09 | 2009-08-26 | 埃派克森微电子有限公司 | D类放大中的信号调制方法及其电路 |
US20150105840A1 (en) * | 2008-12-05 | 2015-04-16 | Spr Therapeutics, Llc | Systems and methods to place one or more leads in tissue for providing functional and/or therapeutic stimulation |
JP5633163B2 (ja) * | 2010-03-18 | 2014-12-03 | ヤマハ株式会社 | D級電力増幅装置 |
US9503023B2 (en) * | 2015-04-01 | 2016-11-22 | Nxp B.V. | Class-D amplifier |
CN106877830B (zh) * | 2017-04-06 | 2023-05-02 | 上海芯问科技有限公司 | 一种用于生理电势信号检测的模拟前端电路 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH530121A (de) * | 1971-04-14 | 1972-10-31 | Patelhold Patentverwaltungs Un | Hochleistungssenderanordnung |
JPH0728181B2 (ja) * | 1988-12-28 | 1995-03-29 | パイオニア株式会社 | パルス幅変調増幅回路 |
US5973368A (en) * | 1996-06-05 | 1999-10-26 | Pearce; Lawrence G. | Monolithic class D amplifier |
US6016075A (en) * | 1997-06-04 | 2000-01-18 | Lord Corporation | Class-D amplifier input structure |
US6232833B1 (en) * | 1998-11-18 | 2001-05-15 | Intersil Corporation | Low noise low distortion class D amplifier |
CA2274420C (en) * | 1999-05-31 | 2002-10-15 | Ivan Meszlenyi | Inexpensive class d amplifier and method |
FR2812478B1 (fr) | 2000-07-27 | 2003-01-10 | Rene Lambruschi | Circuit electronique de conversion d'un signal et amplificateur integrant ledit circuit |
WO2003090343A2 (en) * | 2002-04-19 | 2003-10-30 | Koninklijke Philips Electronics N.V. | Power amplifier |
DE10228575A1 (de) * | 2002-06-26 | 2004-01-29 | Infineon Technologies Ag | Verstärker |
DE10231183A1 (de) * | 2002-07-10 | 2004-01-29 | Infineon Technologies Ag | Verstärkerschaltung |
-
2004
- 2004-06-29 EP EP04015202.7A patent/EP1612934B1/en not_active Expired - Lifetime
-
2005
- 2005-06-15 US US11/153,658 patent/US7282992B2/en not_active Expired - Fee Related
- 2005-06-28 CN CNB2005100791691A patent/CN100553121C/zh active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101038473B (zh) * | 2006-03-14 | 2011-01-26 | 三星电子株式会社 | 控制加热辊功率供给的设备和方法及相应的相位控制电路 |
CN101589548B (zh) * | 2007-01-31 | 2012-08-15 | 麦德托尼克公司 | 斩波稳定仪器放大器和用于测量阻抗的方法 |
CN103338013A (zh) * | 2013-07-19 | 2013-10-02 | 中国科学院微电子研究所 | 一种边沿斜率控制的d类音频功率放大器的功率管栅极驱动器 |
CN103338013B (zh) * | 2013-07-19 | 2017-02-01 | 中国科学院微电子研究所 | 一种边沿斜率控制的d类音频功率放大器的功率管栅极驱动器 |
CN106992756A (zh) * | 2017-03-03 | 2017-07-28 | 广东欧珀移动通信有限公司 | D类功率放大器和音频设备 |
CN106992760A (zh) * | 2017-03-03 | 2017-07-28 | 广东欧珀移动通信有限公司 | D类功率放大器和音频设备 |
Also Published As
Publication number | Publication date |
---|---|
CN100553121C (zh) | 2009-10-21 |
EP1612934B1 (en) | 2018-07-25 |
EP1612934A1 (en) | 2006-01-04 |
US20060006941A1 (en) | 2006-01-12 |
US7282992B2 (en) | 2007-10-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1716762A (zh) | D类放大器 | |
US11349513B2 (en) | Envelope tracking system | |
CN1188005C (zh) | 半导体集成转换电路 | |
CN100340059C (zh) | 用于包络反馈放大器线性化的线性自动优化 | |
US9843260B1 (en) | Supply modulator including switched-mode power supplier and transmitting device including the same | |
CN1592089A (zh) | 放大器及使用它的高频功率放大器 | |
CN104641553B (zh) | 功率放大模块 | |
CN1819471A (zh) | 具有可变预失真的极化调制器的发射/接收装置 | |
US10505502B2 (en) | Wide modulation bandwidth radio frequency circuit | |
CN105324936B (zh) | 功率放大模块 | |
CN1639968A (zh) | 用于放大高频的电子组件和射频通讯系统 | |
EP3044871B1 (en) | Wideband bias circuits and methods | |
US7772927B1 (en) | Active bias Darlington amplifier | |
CN1744428A (zh) | 自适应偏置混频器 | |
US9236957B2 (en) | Technique to reduce the third harmonic of an on-state RF switch | |
US10560138B2 (en) | Transceiver circuit and related radio frequency circuit | |
US20030025561A1 (en) | Load switching for transmissions with different peak-to-average power ratios | |
CN1918784A (zh) | 动态偏置放大器 | |
CN105099378B (zh) | 混合功率模块 | |
JP3942479B2 (ja) | 高周波電力増幅モジュール | |
CN1714505A (zh) | 具有线性分贝增益控制特性的连续可变增益射频驱动放大器 | |
CN100338883C (zh) | 宽带调制解调器混合电路 | |
CN1533661A (zh) | 数字信号传输线路驱动器 | |
CN1671045A (zh) | D类线性驱动器装置 | |
CN1063895C (zh) | 连接装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LANTIQ DEUTSCHLAND GMBH Free format text: FORMER OWNER: INFINEON TECHNOLOGIES WIRELESS COMMUNICATION SOLUTIONS AG Effective date: 20110425 Owner name: INFINEON TECHNOLOGIES WIRELESS COMMUNICATION SOLUT Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG Effective date: 20110425 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFINRONG SCIENCE AND TECHNOLOGY CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: German Neubiberg Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110425 Address after: German Neubiberg Patentee after: Lantiq Deutschland GmbH Address before: German Neubiberg Patentee before: Infineon Technologies Wireless Solutions Ltd. Effective date of registration: 20110425 Address after: German Neubiberg Patentee after: Infineon Technologies Wireless Solutions Ltd. Address before: German Neubiberg Patentee before: Infineon Technologies AG |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180507 Address after: German Neubiberg Patentee after: LANTIQ BETEILIGUNGS GmbH & Co.KG Address before: German Neubiberg Patentee before: Lantiq Deutschland GmbH |
|
TR01 | Transfer of patent right |
Effective date of registration: 20200806 Address after: California, USA Patentee after: INTEL Corp. Address before: German Neubiberg Patentee before: LANTIQ BETEILIGUNGS GmbH & Co.KG |
|
TR01 | Transfer of patent right |