TW258797B - - Google Patents
Info
- Publication number
- TW258797B TW258797B TW080106479A TW80106479A TW258797B TW 258797 B TW258797 B TW 258797B TW 080106479 A TW080106479 A TW 080106479A TW 80106479 A TW80106479 A TW 80106479A TW 258797 B TW258797 B TW 258797B
- Authority
- TW
- Taiwan
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
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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
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/04—Modifications of control circuit to reduce distortion caused by control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
- H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
- H03K17/665—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only
- H03K17/666—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only the output circuit comprising more than one controlled bipolar transistor
- H03K17/667—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only the output circuit comprising more than one controlled bipolar transistor using complementary bipolar transistors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Optical Recording Or Reproduction (AREA)
- Control Of Amplification And Gain Control (AREA)
- Feedback Control In General (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2223560A JP3018435B2 (ja) | 1990-08-24 | 1990-08-24 | サーボ回路 |
| JP2236389A JP2979607B2 (ja) | 1990-09-06 | 1990-09-06 | サーボ回路 |
| JP2236390A JP2979608B2 (ja) | 1990-09-06 | 1990-09-06 | サーボ回路 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW258797B true TW258797B (en]) | 1995-10-01 |
Family
ID=27330798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW080106479A TW258797B (en]) | 1990-08-24 | 1991-08-15 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5166559A (en]) |
| EP (2) | EP0473370B1 (en]) |
| KR (1) | KR100191109B1 (en]) |
| DE (2) | DE69119514T2 (en]) |
| TW (1) | TW258797B (en]) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2809577B2 (ja) * | 1993-09-24 | 1998-10-08 | 富士通株式会社 | ゼロレベル設定回路 |
| JPH08274559A (ja) * | 1995-04-03 | 1996-10-18 | Oki Electric Ind Co Ltd | 出力電力制御装置 |
| US6636722B1 (en) | 2000-09-12 | 2003-10-21 | Tektronix, Inc. | Broadband receiver amplitude/phase normalization using a broadband temperature compensated noise source and a pseudo random sequence generator |
| US6556022B2 (en) * | 2001-06-29 | 2003-04-29 | Intel Corporation | Method and apparatus for local parameter variation compensation |
| US7259620B2 (en) | 2005-06-27 | 2007-08-21 | Linear Technology Corporation | Wide dynamic range switching variable gain amplifier and control |
| US7656227B1 (en) | 2008-02-26 | 2010-02-02 | Pmc-Sierra, Inc. | Techniques to control amplifier gain over process, voltage, and/or temperature (PVT) variations |
| CN101938255B (zh) * | 2010-09-16 | 2012-09-05 | 中国电子科技集团公司第二十四研究所 | 低于100mW低功耗真对数放大器 |
| GB2560045B (en) * | 2017-02-28 | 2019-10-30 | Cirrus Logic Int Semiconductor Ltd | Amplifiers |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3770984A (en) * | 1971-03-03 | 1973-11-06 | Harris Intertype Corp | Fast recovery low distortion limiter circuit |
| US3879674A (en) * | 1973-12-27 | 1975-04-22 | Burroughs Corp | Automatic gain control circuit |
| JPS5330850A (en) * | 1976-09-03 | 1978-03-23 | Hitachi Ltd | Gain control circuit |
| US4238738A (en) * | 1977-06-15 | 1980-12-09 | Tokyo Shibaura Electric Co., Ltd. | Temperature-compensated amplifier circuit |
| JPS5422512U (en]) * | 1977-07-15 | 1979-02-14 | ||
| GB1568513A (en) * | 1977-10-07 | 1980-05-29 | Secr Defence | Automatic signal level control system |
| US4297645A (en) * | 1979-09-20 | 1981-10-27 | Nippon Electric Co., Ltd. | Automatic gain control circuit comprising a circuit for comparing a modulated signal with an envelope detected signal |
| FR2520952A1 (fr) * | 1982-02-03 | 1983-08-05 | Trt Telecom Radio Electr | Dispositif de controle automatique de gain (cag) a action rapide |
| US5030924A (en) * | 1989-03-30 | 1991-07-09 | Silicon Systems, Inc. | Temperature compensated exponential gain control circuit |
-
1991
- 1991-08-15 TW TW080106479A patent/TW258797B/zh active
- 1991-08-21 KR KR1019910014378A patent/KR100191109B1/ko not_active Expired - Fee Related
- 1991-08-21 US US07/748,047 patent/US5166559A/en not_active Expired - Lifetime
- 1991-08-22 EP EP91307759A patent/EP0473370B1/en not_active Expired - Lifetime
- 1991-08-22 DE DE69119514T patent/DE69119514T2/de not_active Expired - Fee Related
- 1991-08-22 EP EP94113117A patent/EP0638997B1/en not_active Expired - Lifetime
- 1991-08-22 DE DE69128652T patent/DE69128652T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100191109B1 (ko) | 1999-06-15 |
| EP0473370B1 (en) | 1996-05-15 |
| DE69128652D1 (de) | 1998-02-12 |
| DE69128652T2 (de) | 1998-05-14 |
| US5166559A (en) | 1992-11-24 |
| DE69119514D1 (de) | 1996-06-20 |
| KR920005466A (ko) | 1992-03-28 |
| EP0638997B1 (en) | 1998-01-07 |
| DE69119514T2 (de) | 1996-09-26 |
| EP0638997A1 (en) | 1995-02-15 |
| EP0473370A1 (en) | 1992-03-04 |