JPH053937B2 - - Google Patents

Info

Publication number
JPH053937B2
JPH053937B2 JP59249046A JP24904684A JPH053937B2 JP H053937 B2 JPH053937 B2 JP H053937B2 JP 59249046 A JP59249046 A JP 59249046A JP 24904684 A JP24904684 A JP 24904684A JP H053937 B2 JPH053937 B2 JP H053937B2
Authority
JP
Japan
Prior art keywords
level
pilot signal
signal
circuit
variable
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
Application number
JP59249046A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61127237A (ja
Inventor
Soji Horikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP59249046A priority Critical patent/JPS61127237A/ja
Publication of JPS61127237A publication Critical patent/JPS61127237A/ja
Publication of JPH053937B2 publication Critical patent/JPH053937B2/ja
Granted legal-status Critical Current

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
    • 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)
  • Control Of Amplification And Gain Control (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Optical Communication System (AREA)
JP59249046A 1984-11-26 1984-11-26 光受信回路 Granted JPS61127237A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59249046A JPS61127237A (ja) 1984-11-26 1984-11-26 光受信回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59249046A JPS61127237A (ja) 1984-11-26 1984-11-26 光受信回路

Publications (2)

Publication Number Publication Date
JPS61127237A JPS61127237A (ja) 1986-06-14
JPH053937B2 true JPH053937B2 (sv) 1993-01-18

Family

ID=17187203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59249046A Granted JPS61127237A (ja) 1984-11-26 1984-11-26 光受信回路

Country Status (1)

Country Link
JP (1) JPS61127237A (sv)

Also Published As

Publication number Publication date
JPS61127237A (ja) 1986-06-14

Similar Documents

Publication Publication Date Title
US6304615B1 (en) Serial digital data communications receiver with improved automatic cable equalizer, AGC system, and DC restorer
US4574248A (en) RF Power amplifier for use with VHF transceivers
US4608542A (en) Bandwidth controlled data amplifier
EP2171842B1 (en) Amplifier automatic gain control circuit for QAM modulated and continuous wave signals
US4961057A (en) Automatic gain control amplifier for compensating cable loss
JPH053937B2 (sv)
JP3479124B2 (ja) Ｃａｔｖ用光受信機のａｇｃ方法
US6995806B1 (en) Amplifier with a universal automatic gain control circuit
JPS6373723A (ja) 光受信回路
JPH07177099A (ja) 光受信装置
JP2953799B2 (ja) 光受信回路
JPH04334137A (ja) バースト光受信装置
US4097897A (en) Automatic boost control in an aperture corrector for TV video signals
JPS61187424A (ja) 歪補償回路
SU926758A1 (ru) Корректирующий усилитель с регулируемой амплитудно-частотной характеристикой
JPS6262625A (ja) 自動線路等化方式
SU1078588A1 (ru) Дифференциальный усилитель
JPH06140993A (ja) 光受信器
JPH0434336B2 (sv)
JPS61107846A (ja) 光受信器の識別方式
JPH05102744A (ja) ３元ａｐｄ用光受信回路
JPS612438A (ja) 光受信回路
JPS62185419A (ja) 光受信回路
EP1445903A2 (en) Serial digital data communications receiver with improved automatic cable equalizer and DC restorer
JPS60248032A (ja) 自動等化器