TW201110542A - Gain control circuit and gain control method thereof - Google Patents
Gain control circuit and gain control method thereof Download PDFInfo
- Publication number
- TW201110542A TW201110542A TW098130186A TW98130186A TW201110542A TW 201110542 A TW201110542 A TW 201110542A TW 098130186 A TW098130186 A TW 098130186A TW 98130186 A TW98130186 A TW 98130186A TW 201110542 A TW201110542 A TW 201110542A
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- voltage
- count value
- gain
- ramp
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims 1
- 210000005069 ears Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 21
- 229910052500 inorganic mineral Inorganic materials 0.000 description 9
- 239000011707 mineral Substances 0.000 description 9
- 230000000737 periodic effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/001—Digital control of analog signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW098130186A TW201110542A (en) | 2009-09-08 | 2009-09-08 | Gain control circuit and gain control method thereof |
| US12/588,873 US7965142B2 (en) | 2009-09-08 | 2009-10-30 | Gain control circuit and its gain control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW098130186A TW201110542A (en) | 2009-09-08 | 2009-09-08 | Gain control circuit and gain control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201110542A true TW201110542A (en) | 2011-03-16 |
| TWI360293B TWI360293B (https=) | 2012-03-11 |
Family
ID=43647262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW098130186A TW201110542A (en) | 2009-09-08 | 2009-09-08 | Gain control circuit and gain control method thereof |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7965142B2 (https=) |
| TW (1) | TW201110542A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355214B (zh) * | 2011-10-31 | 2014-01-15 | 四川和芯微电子股份有限公司 | 可调增益音频功率放大电路 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8826918D0 (en) * | 1988-11-17 | 1988-12-21 | Motorola Inc | Power amplifier for radio frequency signal |
| JP2966226B2 (ja) * | 1993-02-17 | 1999-10-25 | 三菱電機株式会社 | 電力増幅器自動制御回路 |
| US5642075A (en) * | 1995-12-21 | 1997-06-24 | Itt Corporation | Sampled data automatic gain control |
-
2009
- 2009-09-08 TW TW098130186A patent/TW201110542A/zh not_active IP Right Cessation
- 2009-10-30 US US12/588,873 patent/US7965142B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US7965142B2 (en) | 2011-06-21 |
| US20110057729A1 (en) | 2011-03-10 |
| TWI360293B (https=) | 2012-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100566176C (zh) | 自动增益控制装置 | |
| US10924069B2 (en) | System and method for low distortion capacitive signal source amplifier | |
| EP2653845B1 (en) | Sensor circuit and calibration method | |
| US8638249B2 (en) | System and method for high input capacitive signal amplifier | |
| JP5861076B2 (ja) | 増幅装置 | |
| US10142729B2 (en) | Microphone and method of operating a microphone | |
| KR102570511B1 (ko) | 전자 장치 | |
| CN114744859B (zh) | 用于dcm下升压转换器的控制电路 | |
| US8432225B2 (en) | Automatic gain control | |
| TWI904601B (zh) | 訊號採集電路、晶片及訊號採集方法 | |
| KR102022701B1 (ko) | 광학 파라미터를 측정하기 위한 조정 회로, 방법 및 광학 측정 시스템 | |
| CN107426859B (zh) | 一种自适应快速响应电路、快速响应方法及led驱动电路 | |
| CN101004430B (zh) | 测量模拟信号电平的模拟电平表和方法 | |
| TW201110542A (en) | Gain control circuit and gain control method thereof | |
| US9007245B2 (en) | Semiconductor device having Analog-to-Digital Converter with gain-dependent dithering and communication apparatus | |
| US11183975B2 (en) | Window based supply voltage conditioning circuit for noise filtering | |
| TWI523391B (zh) | 電源轉換器的混合式補償電路 | |
| CN102025332A (zh) | 增益控制电路及其增益控制方法 | |
| KR101630489B1 (ko) | 커패시터 충전기 시스템, 커패시터 충전기 시스템용 디지털 제어 모듈 및 절연형 획득 모듈 | |
| JP2009094568A (ja) | 三角波生成回路 | |
| JP5103203B2 (ja) | 増幅装置及びこれを用いた音声処理装置 | |
| US9628100B2 (en) | Analog-to-digital conversion device for multiple input signals and conversion method therefor | |
| CN112671233B (zh) | 一种补偿电路以及开关电源 | |
| TW201337493A (zh) | 動態電源控制方法及其相關電路 | |
| KR101208574B1 (ko) | 지자기 센서용 증폭회로 및 그 증폭회로를 이용한 감지장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |