ATE46235T1 - Optischer empfaenger. - Google Patents
Optischer empfaenger.Info
- Publication number
- ATE46235T1 ATE46235T1 AT85305520T AT85305520T ATE46235T1 AT E46235 T1 ATE46235 T1 AT E46235T1 AT 85305520 T AT85305520 T AT 85305520T AT 85305520 T AT85305520 T AT 85305520T AT E46235 T1 ATE46235 T1 AT E46235T1
- Authority
- AT
- Austria
- Prior art keywords
- fet
- optical receiver
- cascode
- coherent detection
- signal
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 2
- 238000001514 detection method Methods 0.000 abstract 3
- 230000001427 coherent effect Effects 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
- H03F1/226—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively with junction-FET's
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
- H03F3/082—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light with FET's
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [IF] is obtained
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Amplifiers (AREA)
- Light Receiving Elements (AREA)
- Laser Surgery Devices (AREA)
- Glass Compositions (AREA)
- Surgical Instruments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB848419843A GB8419843D0 (en) | 1984-08-03 | 1984-08-03 | Optical receivers |
EP85305520A EP0172694B1 (de) | 1984-08-03 | 1985-08-02 | Optischer Empfänger |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE46235T1 true ATE46235T1 (de) | 1989-09-15 |
Family
ID=10564895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT85305520T ATE46235T1 (de) | 1984-08-03 | 1985-08-02 | Optischer empfaenger. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4750217A (de) |
EP (1) | EP0172694B1 (de) |
JP (1) | JPH06105855B2 (de) |
AT (1) | ATE46235T1 (de) |
CA (1) | CA1246678A (de) |
DE (1) | DE3572902D1 (de) |
GB (1) | GB8419843D0 (de) |
WO (1) | WO1986001353A1 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3623135A1 (de) * | 1986-07-09 | 1988-01-28 | Telefunken Electronic Gmbh | Optischer verstaerker |
GB2194111A (en) * | 1986-07-18 | 1988-02-24 | Gen Electric Plc | Optical signal receiver circuits |
US4881044A (en) * | 1987-01-16 | 1989-11-14 | Hitachi, Ltd. | Amplifying circuit |
DE8714248U1 (de) * | 1987-10-26 | 1989-02-23 | Heimann Optoelectronics Gmbh, 65199 Wiesbaden | Infrarotdetektor |
US4868894A (en) * | 1987-12-09 | 1989-09-19 | United Technologies | System for transmitting microwave signals via an optical link |
DE3806283A1 (de) * | 1988-02-27 | 1989-09-07 | Telefunken Electronic Gmbh | Optoelektronischer transimpedanz-verstaerker |
DE3818168A1 (de) * | 1988-05-26 | 1990-04-05 | Krone Ag | Empfangsvorverstaerker fuer eine optische nachrichtenuebertragungsstrecke |
US5254957A (en) * | 1989-01-04 | 1993-10-19 | Information Storage, Inc. | Apparatus and method for amplifying optically sensed signals |
JPH0340533A (ja) * | 1989-07-06 | 1991-02-21 | Sumitomo Electric Ind Ltd | 復調回路 |
US4998012A (en) * | 1989-12-01 | 1991-03-05 | Scientific Atlanta, Inc. | Fiber optic transimpedance receiver |
US5239402A (en) * | 1989-12-01 | 1993-08-24 | Scientific-Atlanta, Inc. | Push-pull optical receiver |
US5347388A (en) * | 1989-12-01 | 1994-09-13 | Scientific-Atlanta, Inc. | Push-pull optical receiver having gain control |
US5267071A (en) * | 1991-09-03 | 1993-11-30 | Scientific-Atlanta, Inc. | Signal level control circuitry for a fiber communications system |
FR2684506A1 (fr) * | 1991-11-29 | 1993-06-04 | Thomson Composants Militaires | Recepteur de signaux lumineux. |
JP3080472B2 (ja) * | 1992-03-24 | 2000-08-28 | 大川 彰一 | 放射線検出用前置増幅器 |
US5280335A (en) * | 1992-05-26 | 1994-01-18 | The United States Of America As Represented By The Secretary Of The Navy | Fiber-optical testing system having a detection circuit |
JP2843477B2 (ja) * | 1993-03-18 | 1999-01-06 | 富士通株式会社 | 光信号入力式増幅回路 |
US5450227A (en) * | 1993-05-03 | 1995-09-12 | The United States Of America As Represented By The Secretary Of The Army | Optically injection-locked self-oscillating dual-gate MESFET mixer |
US5347389A (en) * | 1993-05-27 | 1994-09-13 | Scientific-Atlanta, Inc. | Push-pull optical receiver with cascode amplifiers |
JPH07245540A (ja) * | 1994-01-12 | 1995-09-19 | Fujitsu Ltd | 光ディジタル通信用の光受信装置 |
US5663639A (en) * | 1994-01-18 | 1997-09-02 | Massachusetts Institute Of Technology | Apparatus and method for optical heterodyne conversion |
WO1995022884A2 (en) * | 1994-02-18 | 1995-08-31 | Philips Electronics N.V. | Wideband square-law detector having a triangular frequency characteristic as well as a transmission system and a receiver including such a detector |
JP2713224B2 (ja) * | 1995-05-01 | 1998-02-16 | 日本電気株式会社 | 光受信器 |
US7475098B2 (en) * | 2002-03-19 | 2009-01-06 | Network Appliance, Inc. | System and method for managing a plurality of snapshots |
US7215883B1 (en) | 2003-01-24 | 2007-05-08 | Jds Uniphase Corporation | Methods for determining the performance, status, and advanced failure of optical communication channels |
US7002131B1 (en) | 2003-01-24 | 2006-02-21 | Jds Uniphase Corporation | Methods, systems and apparatus for measuring average received optical power |
EP1445922A1 (de) * | 2003-02-06 | 2004-08-11 | Dialog Semiconductor GmbH | Monolithisch integrierte optische Leseschaltung |
WO2006069358A2 (en) * | 2004-12-22 | 2006-06-29 | Enterprise Integration Group | Turn-taking model |
AU2009291495A1 (en) * | 2008-09-11 | 2010-03-18 | Savage, Paul | Low distortion cascode amplifier circuit |
FR2988239A1 (fr) * | 2012-03-16 | 2013-09-20 | Converteam Technology Ltd | Procede de compensation des tolerances de fabrication d'au moins un parametre electrique d'un transistor de puissance et systeme associe |
JP2015012540A (ja) * | 2013-07-01 | 2015-01-19 | 株式会社東芝 | 受光回路 |
CN103888084B (zh) * | 2014-03-25 | 2016-08-24 | 中国科学院空间科学与应用研究中心 | 一种用于带电粒子探测器的集成前置放大器 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1024239A (en) * | 1972-04-17 | 1978-01-10 | Rca Limited | Low noise detector amplifier |
US4075576A (en) * | 1977-02-25 | 1978-02-21 | Rockwell International Corporation | Sensitive high speed solid state preamp |
US4380828A (en) * | 1981-05-26 | 1983-04-19 | Zenith Radio Corporation | UHF MOSFET Mixer |
-
1984
- 1984-08-03 GB GB848419843A patent/GB8419843D0/en active Pending
-
1985
- 1985-08-01 CA CA000488000A patent/CA1246678A/en not_active Expired
- 1985-08-02 DE DE8585305520T patent/DE3572902D1/de not_active Expired
- 1985-08-02 US US06/849,515 patent/US4750217A/en not_active Expired - Fee Related
- 1985-08-02 AT AT85305520T patent/ATE46235T1/de not_active IP Right Cessation
- 1985-08-02 WO PCT/GB1985/000346 patent/WO1986001353A1/en unknown
- 1985-08-02 JP JP60503458A patent/JPH06105855B2/ja not_active Expired - Lifetime
- 1985-08-02 EP EP85305520A patent/EP0172694B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
WO1986001353A1 (en) | 1986-02-27 |
JPS61502929A (ja) | 1986-12-11 |
EP0172694A1 (de) | 1986-02-26 |
EP0172694B1 (de) | 1989-09-06 |
DE3572902D1 (en) | 1989-10-12 |
US4750217A (en) | 1988-06-07 |
CA1246678A (en) | 1988-12-13 |
GB8419843D0 (en) | 1984-09-05 |
JPH06105855B2 (ja) | 1994-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |