CN102170272A - 功率放大器及功率放大器的桥式电路 - Google Patents
功率放大器及功率放大器的桥式电路 Download PDFInfo
- Publication number
- CN102170272A CN102170272A CN2010101149443A CN201010114944A CN102170272A CN 102170272 A CN102170272 A CN 102170272A CN 2010101149443 A CN2010101149443 A CN 2010101149443A CN 201010114944 A CN201010114944 A CN 201010114944A CN 102170272 A CN102170272 A CN 102170272A
- Authority
- CN
- China
- Prior art keywords
- electrode
- mems switch
- pole plate
- substrate
- output
- 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.)
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H59/00—Electrostatic relays; Electro-adhesion relays
- H01H59/0009—Electrostatic relays; Electro-adhesion relays making use of micromechanics
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/351—Pulse width modulation being used in an amplifying circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (16)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010114944.3A CN102170272B (zh) | 2010-02-25 | 2010-02-25 | 功率放大器及功率放大器的桥式电路 |
US12/821,968 US8125271B2 (en) | 2010-02-25 | 2010-06-23 | Power amplifier and bridge circuit in power amplifier |
PCT/CN2011/070642 WO2011103779A1 (zh) | 2010-02-25 | 2011-01-26 | 功率放大器及其桥式电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010114944.3A CN102170272B (zh) | 2010-02-25 | 2010-02-25 | 功率放大器及功率放大器的桥式电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102170272A true CN102170272A (zh) | 2011-08-31 |
CN102170272B CN102170272B (zh) | 2014-06-18 |
Family
ID=44476024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010114944.3A Active CN102170272B (zh) | 2010-02-25 | 2010-02-25 | 功率放大器及功率放大器的桥式电路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8125271B2 (zh) |
CN (1) | CN102170272B (zh) |
WO (1) | WO2011103779A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111508780A (zh) * | 2020-04-23 | 2020-08-07 | 中国电子科技集团公司第五十五研究所 | 一种单片集成多波段控制mems开关 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1460863A (zh) * | 2003-05-16 | 2003-12-10 | 华东师范大学 | 接触式mems开关寿命测试的方法和仪器 |
WO2008050273A2 (en) * | 2006-10-26 | 2008-05-02 | Nxp B.V. | Class d amplifier |
CN101222207A (zh) * | 2005-12-27 | 2008-07-16 | 原景科技股份有限公司 | 无滤波电路的d类功率放大器 |
CN201226017Y (zh) * | 2008-06-04 | 2009-04-22 | 比亚迪股份有限公司 | 一种音频功放验证装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6587670B1 (en) | 1998-12-22 | 2003-07-01 | Harris Corporation | Dual mode class D amplifiers |
NL1034082C2 (nl) | 2007-07-03 | 2009-01-06 | Univ Leiden | PWM-versterker. |
US7714646B2 (en) | 2008-03-17 | 2010-05-11 | Himax Analogic, Inc. | Audio power amplifier and a pre-amplifier thereof |
CN101425784B (zh) | 2008-12-12 | 2010-09-22 | 北京航空航天大学 | 一种基于混沌扩频调制技术的免滤波器d类音频放大器 |
-
2010
- 2010-02-25 CN CN201010114944.3A patent/CN102170272B/zh active Active
- 2010-06-23 US US12/821,968 patent/US8125271B2/en active Active
-
2011
- 2011-01-26 WO PCT/CN2011/070642 patent/WO2011103779A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1460863A (zh) * | 2003-05-16 | 2003-12-10 | 华东师范大学 | 接触式mems开关寿命测试的方法和仪器 |
CN101222207A (zh) * | 2005-12-27 | 2008-07-16 | 原景科技股份有限公司 | 无滤波电路的d类功率放大器 |
WO2008050273A2 (en) * | 2006-10-26 | 2008-05-02 | Nxp B.V. | Class d amplifier |
CN201226017Y (zh) * | 2008-06-04 | 2009-04-22 | 比亚迪股份有限公司 | 一种音频功放验证装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111508780A (zh) * | 2020-04-23 | 2020-08-07 | 中国电子科技集团公司第五十五研究所 | 一种单片集成多波段控制mems开关 |
CN111508780B (zh) * | 2020-04-23 | 2022-04-15 | 中国电子科技集团公司第五十五研究所 | 一种单片集成多波段控制mems开关 |
Also Published As
Publication number | Publication date |
---|---|
WO2011103779A1 (zh) | 2011-09-01 |
US8125271B2 (en) | 2012-02-28 |
US20110204982A1 (en) | 2011-08-25 |
CN102170272B (zh) | 2014-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SHANGHAI LEXVU OPTO MIRCOELECTRICS TECHNOLOGY CO., Free format text: FORMER OWNER: JIANGSU LIHENG ELECTRONIC CO., LTD. Effective date: 20130123 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 211009 ZHENJIANG, JIANGSU PROVINCE TO: 201203 PUDONG NEW AREA, SHANGHAI |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20130123 Address after: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park long East Road No. 3000 Building No. 5 room 501B Applicant after: Shanghai Lexvu Opto Mircoelectrics Technology Co., Ltd. Address before: 211009 hi tech Industrial Development Zone, Jiangsu, Zhenjiang Province, No. twelve, No. 211, room 668 Applicant before: Jiangsu Liheng Electronic Co., Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160408 Address after: 710075, arc building, No. 60, West Avenue, new industrial park, hi tech Zone, Shaanxi, Xi'an, 204 Patentee after: Xi'an Yisheng Photoelectric Technology Co., Ltd. Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park long East Road No. 3000 Building No. 5 room 501B Patentee before: Shanghai Lexvu Opto Mircoelectrics Technology Co., Ltd. |