SE423851B - Signalnivastabilisator - Google Patents

Signalnivastabilisator

Info

Publication number
SE423851B
SE423851B SE7710559A SE7710559A SE423851B SE 423851 B SE423851 B SE 423851B SE 7710559 A SE7710559 A SE 7710559A SE 7710559 A SE7710559 A SE 7710559A SE 423851 B SE423851 B SE 423851B
Authority
SE
Sweden
Prior art keywords
signalnivastabilisator
Prior art date
Application number
SE7710559A
Other languages
English (en)
Other versions
SE7710559L (sv
Inventor
R P Webb
R C Hooper
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Publication of SE7710559L publication Critical patent/SE7710559L/sv
Publication of SE423851B publication Critical patent/SE423851B/sv

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
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • H04B10/693—Arrangements for optimizing the preamplifier in the receiver
    • H04B10/6931—Automatic gain control of the preamplifier
    • 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
    • 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
    • H04B10/29—Repeaters
    • 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
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • H04B10/691—Arrangements for optimizing the photodetector in the receiver
    • H04B10/6911—Photodiode bias control, e.g. for compensating temperature variations

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
SE7710559A 1976-09-21 1977-09-20 Signalnivastabilisator SE423851B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB39115/76A GB1590826A (en) 1976-09-21 1976-09-21 Level stabilisers

Publications (2)

Publication Number Publication Date
SE7710559L SE7710559L (sv) 1978-03-22
SE423851B true SE423851B (sv) 1982-06-07

Family

ID=10407719

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7710559A SE423851B (sv) 1976-09-21 1977-09-20 Signalnivastabilisator

Country Status (4)

Country Link
US (1) US4124825A (sv)
JP (1) JPS6056341B2 (sv)
GB (1) GB1590826A (sv)
SE (1) SE423851B (sv)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543664A (en) * 1980-01-10 1985-09-24 International Telephone And Telegraph Corporation Direct current coupled data transmission
JPS56152348A (en) * 1980-04-25 1981-11-25 Fujitsu Ltd Photoelectric converting circuit
JPS5911215B2 (ja) * 1980-06-25 1984-03-14 富士通株式会社 光受信回路
US4459475A (en) * 1982-03-29 1984-07-10 Bell & Howell Company Automatic calibration for D.C. transducers
JPH061320B2 (ja) * 1986-07-24 1994-01-05 旭光学工業株式会社 絞り自動制御カメラにおける絞り込み信号の調整回路
JPH01185008A (ja) * 1988-01-19 1989-07-24 Nec Corp 利得可変増幅器
JP2733962B2 (ja) * 1988-06-17 1998-03-30 ソニー株式会社 利得制御増幅器
DE3885746D1 (de) * 1988-09-15 1993-12-23 Siemens Ag Schaltungsanordnung mit einem an einen opto-elektrischen Wandler angeschlossenen Verstärker.
US4902982A (en) * 1989-02-09 1990-02-20 Hewlett-Packard Company Nonlinear noninverting transimpedance amplifier
FR2658605B1 (fr) * 1990-02-16 1992-06-19 Schlumberger Ind Sa Dispositif photodetecteur notamment pour reflectometre.
DE4204956A1 (de) * 1992-02-19 1993-08-26 Philips Patentverwaltung Schaltungsanordnung zur automatischen verstaerkungsregelung
JPH06260864A (ja) * 1993-03-08 1994-09-16 Matsushita Electric Ind Co Ltd 送信出力増幅器
JP2000286652A (ja) * 1999-03-31 2000-10-13 Harada Ind Co Ltd 制御装置
DE10043436B4 (de) * 2000-09-04 2008-10-09 Infineon Technologies Ag Verfahren und Schaltung zur automatischen Verstärkungsregelung eines Signalverstärkers
JP2005531202A (ja) 2002-06-21 2005-10-13 ワイデファイ インコーポレイテッド 無線ローカル・エリア・ネットワーク・リピータ
US8885688B2 (en) 2002-10-01 2014-11-11 Qualcomm Incorporated Control message management in physical layer repeater
AU2003274992A1 (en) * 2002-10-11 2004-05-04 Widefi, Inc. Reducing loop effects in a wireless local area network repeater
US8078100B2 (en) 2002-10-15 2011-12-13 Qualcomm Incorporated Physical layer repeater with discrete time filter for all-digital detection and delay generation
CN100574147C (zh) 2002-10-15 2009-12-23 高通股份有限公司 用于扩展网络覆盖范围的具有自动增益控制的无线局域网转发器
US7230935B2 (en) 2002-10-24 2007-06-12 Widefi, Inc. Physical layer repeater with selective use of higher layer functions based on network operating conditions
KR20050086572A (ko) 2002-11-15 2005-08-30 위데피, 인코포레이티드 검출을 하는 ｗｌａｎ 중계기
JP2006510326A (ja) 2002-12-16 2006-03-23 ワイデファイ インコーポレイテッド 改良された無線ネットワーク中継器
US6982594B2 (en) * 2003-11-13 2006-01-03 Skyworks Solutions Inc. System for developing a secondary control signal in a power amplifier control loop
US8027642B2 (en) 2004-04-06 2011-09-27 Qualcomm Incorporated Transmission canceller for wireless local area network
EP1745567B1 (en) 2004-05-13 2017-06-14 QUALCOMM Incorporated Non-frequency translating repeater with detection and media access control
JP2008505513A (ja) 2004-06-03 2008-02-21 ワイデファイ インコーポレイテッド 低コスト、高性能の局部発振器の構造を備えた周波数変換中継器
US7634197B2 (en) * 2005-01-12 2009-12-15 Finisar Corporation Compensation for temperature and voltage effects when monitoring parameters in a transceiver module
WO2006081405A2 (en) 2005-01-28 2006-08-03 Widefi, Inc. Physical layer repeater configuration for increasing mino performance
EP2064903A4 (en) 2006-09-21 2011-12-14 Qualcomm Inc METHOD AND APPARATUS FOR REDUCING OSCILLATION BETWEEN REPEATERS
EP2082496A4 (en) 2006-10-26 2013-05-22 Qualcomm Inc REPEATER TECHNIQUES FOR MULTIPLE INPUTS AND MULTIPLE OUTPUTS USING JET MAKERS
US8183923B2 (en) * 2009-11-24 2012-05-22 Fred A Mirow Constant gain amplifier system with gain control feedback
US10439558B2 (en) * 2017-04-28 2019-10-08 Skyworks Solutions, Inc. Apparatus and methods for power amplifiers with positive envelope feedback

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866015A (en) * 1954-04-22 1958-12-23 Philco Corp Gain control system
US3697883A (en) * 1970-09-10 1972-10-10 Motorola Inc Automatic gain control circuit
US3949233A (en) * 1974-08-15 1976-04-06 Pitney-Bowes, Inc. Hand held bar code reader with constant linear amplifier output

Also Published As

Publication number Publication date
SE7710559L (sv) 1978-03-22
JPS6056341B2 (ja) 1985-12-10
GB1590826A (en) 1981-06-10
US4124825A (en) 1978-11-07
JPS5359345A (en) 1978-05-29

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