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
Application number
AT85305520T
Other languages
English (en)
Inventor
David Robert Smith
Peter Paul Smyth
Original Assignee
British Telecomm
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by British Telecomm filed Critical British Telecomm
Application granted granted Critical
Publication of ATE46235T1 publication Critical patent/ATE46235T1/de

Links

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)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Amplifiers (AREA)
  • Light Receiving Elements (AREA)
  • Dc Digital Transmission (AREA)
  • Laser Surgery Devices (AREA)
  • Glass Compositions (AREA)
  • Surgical Instruments (AREA)
AT85305520T 1984-08-03 1985-08-02 Optischer empfaenger. ATE46235T1 (de)

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)

* Cited by examiner, † Cited by third party
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
US5347388A (en) * 1989-12-01 1994-09-13 Scientific-Atlanta, Inc. Push-pull optical receiver having gain control
US5239402A (en) * 1989-12-01 1993-08-24 Scientific-Atlanta, Inc. Push-pull optical receiver
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
EP0699362A1 (de) * 1994-02-18 1996-03-06 Koninklijke Philips Electronics N.V. Quadratischer breitbanddetektor mit dreieckigem frequenzgang, sowie übertragungsystem und einen solchen detektor enthaltenden empfänger
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
US7002131B1 (en) 2003-01-24 2006-02-21 Jds Uniphase Corporation Methods, systems and apparatus for measuring average received optical power
US7215883B1 (en) 2003-01-24 2007-05-08 Jds Uniphase Corporation Methods for determining the performance, status, and advanced failure of optical communication channels
EP1445922A1 (de) * 2003-02-06 2004-08-11 Dialog Semiconductor GmbH Monolithisch integrierte optische Leseschaltung
US7809569B2 (en) * 2004-12-22 2010-10-05 Enterprise Integration Group, Inc. Turn-taking confidence
EP2329594A4 (de) * 2008-09-11 2014-02-19 Thomas Rogoff Audio Pty Ltd Kaskadenverstärkerschaltung mit geringer verzerrung
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA1246678A (en) 1988-12-13
WO1986001353A1 (en) 1986-02-27
GB8419843D0 (en) 1984-09-05
US4750217A (en) 1988-06-07
DE3572902D1 (en) 1989-10-12
EP0172694B1 (de) 1989-09-06
JPS61502929A (ja) 1986-12-11
JPH06105855B2 (ja) 1994-12-21
EP0172694A1 (de) 1986-02-26

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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