DE69420447D1 - Verstärker - Google Patents
VerstärkerInfo
- Publication number
- DE69420447D1 DE69420447D1 DE69420447T DE69420447T DE69420447D1 DE 69420447 D1 DE69420447 D1 DE 69420447D1 DE 69420447 T DE69420447 T DE 69420447T DE 69420447 T DE69420447 T DE 69420447T DE 69420447 D1 DE69420447 D1 DE 69420447D1
- Authority
- DE
- Germany
- Prior art keywords
- amplifier
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using FET type devices
-
- 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
- H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP09096093A JP3262887B2 (ja) | 1993-04-19 | 1993-04-19 | リミッタ増幅器 |
JP11648393A JP3284506B2 (ja) | 1993-04-20 | 1993-04-20 | 増幅回路 |
JP20853893A JP3399477B2 (ja) | 1993-07-30 | 1993-07-30 | 増幅回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69420447D1 true DE69420447D1 (de) | 1999-10-14 |
DE69420447T2 DE69420447T2 (de) | 2000-04-13 |
Family
ID=27306580
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69434482T Expired - Lifetime DE69434482T2 (de) | 1993-04-19 | 1994-04-18 | Verstärker |
DE69420447T Expired - Lifetime DE69420447T2 (de) | 1993-04-19 | 1994-04-18 | Verstärker |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69434482T Expired - Lifetime DE69434482T2 (de) | 1993-04-19 | 1994-04-18 | Verstärker |
Country Status (3)
Country | Link |
---|---|
US (1) | US5475342A (de) |
EP (2) | EP0621686B1 (de) |
DE (2) | DE69434482T2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW348346B (en) * | 1995-10-02 | 1998-12-21 | Motorola Inc | Signal processing circuit and method |
US5703504A (en) * | 1995-12-26 | 1997-12-30 | Motorola | Feedforward adaptive threshold processing method |
EP0792012B1 (de) * | 1996-02-23 | 2003-05-07 | Matsushita Electric Industrial Co., Ltd. | Burstsignal-Verstärker und optische Empfangsschaltungsanordnung |
GB2311902B (en) * | 1996-04-04 | 2000-05-10 | Plessey Semiconductors Ltd | An error correction circuit |
JP2814990B2 (ja) * | 1996-05-20 | 1998-10-27 | 日本電気株式会社 | 光受信回路 |
JP3595992B2 (ja) * | 1996-05-22 | 2004-12-02 | ソニー株式会社 | 記録媒体駆動装置および記録媒体駆動方法 |
JPH10126351A (ja) * | 1996-10-18 | 1998-05-15 | Nec Corp | 光受信回路 |
JPH10173456A (ja) * | 1996-12-11 | 1998-06-26 | Fujitsu Ltd | 信号増幅回路 |
JPH10190385A (ja) * | 1996-12-27 | 1998-07-21 | Matsushita Electric Ind Co Ltd | 増幅回路ユニットおよび増幅回路 |
US5875050A (en) * | 1997-03-14 | 1999-02-23 | Lucent Technologies Inc. | Burst mode digital optical receiver |
JP3526719B2 (ja) * | 1997-03-19 | 2004-05-17 | 富士通株式会社 | 自動閾値制御回路および信号増幅回路 |
US5978249A (en) * | 1997-12-17 | 1999-11-02 | Motorola Inc. | High impedance signal conversion circuit and method |
JP3674753B2 (ja) * | 1999-03-09 | 2005-07-20 | 富士通株式会社 | バースト信号検出回路 |
TW445718B (en) * | 1999-03-26 | 2001-07-11 | Matsushita Electric Ind Co Ltd | Discriminator |
JP2000332558A (ja) * | 1999-05-24 | 2000-11-30 | Matsushita Electric Ind Co Ltd | 増幅回路ユニットおよび増幅回路 |
US6785344B1 (en) | 2000-04-11 | 2004-08-31 | Terawave Communications, Inc. | Fast threshold determination for packet-multiplexed digital communication |
US6963696B1 (en) * | 2001-04-30 | 2005-11-08 | Quantum Bridge Communications, Inc. | AC-coupled burst mode receiver with wide dynamic range |
KR100400224B1 (ko) * | 2001-06-27 | 2003-10-01 | 삼성전자주식회사 | 오프셋 보상 기능을 갖는 버스트 모드 수신 장치 및 그의데이타 복원 방법 |
KR100630089B1 (ko) * | 2002-04-15 | 2006-09-27 | 삼성전자주식회사 | 차동 출력 구조의 버스트모드 광 수신기 |
KR100605898B1 (ko) | 2002-04-19 | 2006-08-01 | 삼성전자주식회사 | 버스트모드 광 수신기 |
JP2003347873A (ja) * | 2002-05-24 | 2003-12-05 | Hitachi Ltd | 多段アンプのゲイン制御方法及び装置 |
KR100537901B1 (ko) * | 2003-03-29 | 2005-12-20 | 한국전자통신연구원 | 버스트 모드 광 수신기 |
KR100554163B1 (ko) * | 2003-03-29 | 2006-02-22 | 한국전자통신연구원 | 수신된 광신호의 소광비 특성을 고려한 버스트 모드 광수신장치 |
KR100537902B1 (ko) * | 2003-03-29 | 2005-12-20 | 한국전자통신연구원 | 버스트 모드 광 수신 장치 |
JP2005005622A (ja) * | 2003-06-13 | 2005-01-06 | Toyota Industries Corp | リミッタ回路及びその半導体集積回路 |
US7382184B2 (en) * | 2004-10-22 | 2008-06-03 | Creative Technology Ltd | Amplifier system and method |
JP4905087B2 (ja) * | 2006-11-30 | 2012-03-28 | 富士通オプティカルコンポーネンツ株式会社 | 受信装置 |
JP5176505B2 (ja) * | 2007-12-03 | 2013-04-03 | 富士通オプティカルコンポーネンツ株式会社 | 光受信装置,光局側装置および光ネットワークシステム |
DE102009021153A1 (de) * | 2009-05-13 | 2010-11-18 | Atmel Automotive Gmbh | Verfahren zur Gewinnung einer Feldstärkeinformation |
US8749099B2 (en) | 2009-12-30 | 2014-06-10 | Stmicroelectronics S.R.L. | Clamping circuit to a reference voltage for ultrasound applications |
CN109141827B (zh) * | 2017-06-28 | 2020-07-07 | 福州高意通讯有限公司 | 一种应用于可调谐滤波器光性能检测装置的光谱寻峰方法 |
EP3477863B1 (de) * | 2017-08-30 | 2022-05-04 | Shenzhen Goodix Technology Co., Ltd. | Schaltung zur dynamischen verstärkung |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2999925A (en) * | 1959-01-28 | 1961-09-12 | Page Comm Engineers Inc | Variable decision threshold computer |
US3838448A (en) * | 1973-02-07 | 1974-09-24 | Control Data Corp | Compensated baseline circuit |
US3949317A (en) * | 1974-09-16 | 1976-04-06 | Tektronix, Inc. | Fast recovery limiting and phase inverting amplifier |
US3947769A (en) * | 1974-10-23 | 1976-03-30 | Hoffman Electronics Corporation | Threshold correction system in FSK transmissions |
DE2905904A1 (de) * | 1979-02-16 | 1980-08-28 | Licentia Gmbh | Schaltungsanordnung zur grundlinienregeneration eines pcm-signals |
JPS6012826B2 (ja) * | 1980-01-07 | 1985-04-03 | 株式会社日立製作所 | 受信回路 |
JPS56115023A (en) * | 1980-02-16 | 1981-09-10 | Nec Corp | Automatic threshold level controlling circuit |
US4456889A (en) * | 1981-06-04 | 1984-06-26 | The United States Of America As Represented By The Secretary Of The Navy | Dual-gate MESFET variable gain constant output power amplifier |
JPS59257A (ja) * | 1982-06-25 | 1984-01-05 | Pioneer Electronic Corp | デイジタル変調信号読取装置 |
US4641324A (en) * | 1984-09-14 | 1987-02-03 | Eastman Kodak Company | Signal correction apparatus |
US4631737A (en) * | 1984-12-06 | 1986-12-23 | Motorola, Inc. | Self biasing direct coupled data limiter |
US4736391A (en) * | 1986-07-22 | 1988-04-05 | General Electric Company | Threshold control with data receiver |
JPS6372247A (ja) * | 1986-09-16 | 1988-04-01 | Toshiba Corp | 光受信器 |
DE3772963D1 (de) * | 1986-12-23 | 1991-10-17 | Autophon Ascom Ag | Anordnung in einer integrierten schaltung zum erzeugen einer nichtlinearen funktion. |
JPS63256023A (ja) * | 1987-04-14 | 1988-10-24 | Nec Corp | 光受信器の識別回路 |
JPH01109810A (ja) * | 1987-10-22 | 1989-04-26 | Nec Corp | リミッタ増幅器 |
US5025251A (en) * | 1989-06-29 | 1991-06-18 | Motorola, Inc. | Self-tuning direct coupled data limiter of a battery saver type paging receiver |
US4975657A (en) * | 1989-11-02 | 1990-12-04 | Motorola Inc. | Speech detector for automatic level control systems |
JPH0828750B2 (ja) * | 1989-11-10 | 1996-03-21 | 富士通株式会社 | レシーバ回路における自動閾値制御方式 |
ES2136066T3 (es) * | 1991-05-23 | 1999-11-16 | Nec Corp | Amplificador logaritmico de frecuencia intermedia. |
JPH0775356B2 (ja) * | 1991-06-05 | 1995-08-09 | 株式会社東芝 | 光受信器 |
JPH0510987A (ja) * | 1991-06-28 | 1993-01-19 | Canon Inc | 信号検出回路 |
-
1994
- 1994-04-15 US US08/227,886 patent/US5475342A/en not_active Expired - Lifetime
- 1994-04-18 DE DE69434482T patent/DE69434482T2/de not_active Expired - Lifetime
- 1994-04-18 EP EP94105968A patent/EP0621686B1/de not_active Expired - Lifetime
- 1994-04-18 DE DE69420447T patent/DE69420447T2/de not_active Expired - Lifetime
- 1994-04-18 EP EP98118027A patent/EP0891042B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69434482T2 (de) | 2006-06-22 |
DE69434482D1 (de) | 2005-10-13 |
EP0891042A2 (de) | 1999-01-13 |
DE69420447T2 (de) | 2000-04-13 |
US5475342A (en) | 1995-12-12 |
EP0621686A3 (de) | 1995-10-18 |
EP0621686B1 (de) | 1999-09-08 |
EP0891042A3 (de) | 1999-03-10 |
EP0891042B1 (de) | 2005-09-07 |
EP0621686A2 (de) | 1994-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |