JP5822912B2 - 増幅器のためのアクティブミュート方式 - Google Patents
増幅器のためのアクティブミュート方式 Download PDFInfo
- Publication number
- JP5822912B2 JP5822912B2 JP2013502558A JP2013502558A JP5822912B2 JP 5822912 B2 JP5822912 B2 JP 5822912B2 JP 2013502558 A JP2013502558 A JP 2013502558A JP 2013502558 A JP2013502558 A JP 2013502558A JP 5822912 B2 JP5822912 B2 JP 5822912B2
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- switch
- coupled
- control signal
- input terminal
- 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.)
- Active
Links
- 230000007704 transition Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000009849 deactivation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/750,431 | 2010-03-30 | ||
| US12/750,431 US8138828B2 (en) | 2010-03-30 | 2010-03-30 | Active mute scheme for an amplifier |
| PCT/US2010/061431 WO2011126525A1 (en) | 2010-03-30 | 2010-12-21 | Active mute scheme for an amplifier |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013524623A JP2013524623A (ja) | 2013-06-17 |
| JP2013524623A5 JP2013524623A5 (enExample) | 2014-01-16 |
| JP5822912B2 true JP5822912B2 (ja) | 2015-11-25 |
Family
ID=44708926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013502558A Active JP5822912B2 (ja) | 2010-03-30 | 2010-12-21 | 増幅器のためのアクティブミュート方式 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8138828B2 (enExample) |
| JP (1) | JP5822912B2 (enExample) |
| CN (1) | CN102792587B (enExample) |
| WO (1) | WO2011126525A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9172381B2 (en) | 2013-03-15 | 2015-10-27 | Hittite Microwave Corporation | Fast turn on system for a synthesized source signal |
| US11736075B2 (en) * | 2021-04-01 | 2023-08-22 | Macom Technology Solutions Holdings, Inc. | High accuracy output voltage domain operation switching in an operational amplifier |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58209210A (ja) * | 1982-05-31 | 1983-12-06 | Nec Ic Microcomput Syst Ltd | 増幅器 |
| JPH04160910A (ja) | 1990-10-25 | 1992-06-04 | Pioneer Electron Corp | 保護回路 |
| US5166983A (en) | 1991-07-22 | 1992-11-24 | Motorola, Inc. | Mute circuit for audio amplifiers |
| JP3112522B2 (ja) * | 1991-09-11 | 2000-11-27 | ローム株式会社 | オーディオ信号増幅回路 |
| JP2005051609A (ja) * | 2003-07-30 | 2005-02-24 | Mitsumi Electric Co Ltd | 信号出力回路 |
| US7102400B1 (en) | 2004-08-30 | 2006-09-05 | Sitel Semiconductor B.V. | Phase locked loop charge pump and method of operation |
| TWI259735B (en) | 2004-10-13 | 2006-08-01 | Princeton Technology Corp | Muting circuit of audio amplifier |
| JP4800688B2 (ja) | 2005-07-08 | 2011-10-26 | パナソニック株式会社 | ミューティング回路を設けた半導体集積回路 |
| US8218793B2 (en) | 2006-12-11 | 2012-07-10 | Mediatek Inc. | Apparatus and muting circuit |
| CN201204568Y (zh) * | 2008-06-10 | 2009-03-04 | 上海韦矽微电子有限公司 | 音频功率放大电路 |
-
2010
- 2010-03-30 US US12/750,431 patent/US8138828B2/en active Active
- 2010-12-21 JP JP2013502558A patent/JP5822912B2/ja active Active
- 2010-12-21 CN CN201080065294.6A patent/CN102792587B/zh active Active
- 2010-12-21 WO PCT/US2010/061431 patent/WO2011126525A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN102792587B (zh) | 2016-08-31 |
| CN102792587A (zh) | 2012-11-21 |
| JP2013524623A (ja) | 2013-06-17 |
| US20110241771A1 (en) | 2011-10-06 |
| US8138828B2 (en) | 2012-03-20 |
| WO2011126525A1 (en) | 2011-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101670477B1 (ko) | 클래스 ab 오디오 증폭기 출력단 전압 보호 방법 및 장치 | |
| CN110326215A (zh) | 放大器和前置电路的偏移校准 | |
| US8233641B2 (en) | Method and topology to switch an output stage in a class ab audio amplifier for wireless applications | |
| JP2000151310A5 (enExample) | ||
| US10404248B2 (en) | Calibration of a dual-path pulse width modulation system | |
| GB2612453A (en) | Switching in an audio system with multiple playback paths | |
| JP5822912B2 (ja) | 増幅器のためのアクティブミュート方式 | |
| US8139789B2 (en) | Signal amplifier circuit | |
| US8184831B2 (en) | Audio playing systems | |
| CN102025325B (zh) | 音频放大器和使用它的电子设备 | |
| GB2561410A (en) | Switching in amplifier with configurable final output stage | |
| TWI478487B (zh) | 音頻功率放大裝置及其音頻功率放大方法 | |
| TWI857400B (zh) | 具揚聲器保護機制之電子裝置 | |
| US10263584B1 (en) | Calibration of a dual-path pulse width modulation system | |
| JP2013524623A5 (enExample) | ||
| WO2006078378A2 (en) | Method and topology to switch an output stage in a class ab audio amplifier for wireless applications | |
| JP2007312030A (ja) | ヘッドホン検知回路 | |
| US20100289570A1 (en) | Amplifier circuit, electronic device, method for configuring an amplifier circuit | |
| JP2011066735A (ja) | 電力増幅回路 | |
| TW202211638A (zh) | 能夠有效消除或避免電流噪聲的方法及音訊接收機 | |
| JP2019145930A5 (enExample) | ||
| WO2006106231A3 (fr) | Amplificateur à double asservissement et enceinte associee | |
| KR19980057668U (ko) | 오디오 뮤트회로 | |
| JP2008236542A (ja) | 電力増幅装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20131122 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20131122 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150407 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150617 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20151006 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20151006 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 5822912 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |