JPS5379453A - Automatic gain control system - Google Patents

Automatic gain control system

Info

Publication number
JPS5379453A
JPS5379453A JP15581876A JP15581876A JPS5379453A JP S5379453 A JPS5379453 A JP S5379453A JP 15581876 A JP15581876 A JP 15581876A JP 15581876 A JP15581876 A JP 15581876A JP S5379453 A JPS5379453 A JP S5379453A
Authority
JP
Japan
Prior art keywords
control system
gain control
automatic gain
analog signal
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.)
Granted
Application number
JP15581876A
Other languages
Japanese (ja)
Other versions
JPS6024606B2 (en
Inventor
Hiroshi Nakamura
Naomasa Hanano
Kazuo Iguchi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15581876A priority Critical patent/JPS6024606B2/en
Publication of JPS5379453A publication Critical patent/JPS5379453A/en
Publication of JPS6024606B2 publication Critical patent/JPS6024606B2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3084Automatic 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)
  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE:To secure a control of the analog signal of the optical communication system by applying AGC voltage based on the output obtained through the average value detection of the analog signal to an amplifier and then controlling the amplifier gain.
JP15581876A 1976-12-24 1976-12-24 Automatic gain control method Expired JPS6024606B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15581876A JPS6024606B2 (en) 1976-12-24 1976-12-24 Automatic gain control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15581876A JPS6024606B2 (en) 1976-12-24 1976-12-24 Automatic gain control method

Publications (2)

Publication Number Publication Date
JPS5379453A true JPS5379453A (en) 1978-07-13
JPS6024606B2 JPS6024606B2 (en) 1985-06-13

Family

ID=15614139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15581876A Expired JPS6024606B2 (en) 1976-12-24 1976-12-24 Automatic gain control method

Country Status (1)

Country Link
JP (1) JPS6024606B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774523U (en) * 1980-10-22 1982-05-08
JPH0856200A (en) 1994-08-12 1996-02-27 Miharu Tsushin Kk Agc method for optical receiver for catv

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0547751Y2 (en) * 1987-07-03 1993-12-16

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774523U (en) * 1980-10-22 1982-05-08
JPH0856200A (en) 1994-08-12 1996-02-27 Miharu Tsushin Kk Agc method for optical receiver for catv

Also Published As

Publication number Publication date
JPS6024606B2 (en) 1985-06-13

Similar Documents

Publication Publication Date Title
JPS5379453A (en) Automatic gain control system
AU500832B2 (en) Amplifier with gain control
JPS5437403A (en) Automatic gain control method for light receiving circuit
JPS5287346A (en) Amplifying circuit
JPS5419323A (en) Automatic gain control system
JPS53133304A (en) Gain control method for optical signal receiver
JPS5370479A (en) Photo agc system
JPS5370480A (en) Photo agc system
JPS5338244A (en) Automatic gain control system by pilot signal
JPS5385108A (en) Automatic gain control system
JPS5344107A (en) Noise reduction system
JPS5226145A (en) Automatic gain adjustment circuit
JPS52127114A (en) Muting circuit
JPS5233418A (en) Agc circuit
JPS536553A (en) Variable gain amplifier
JPS53110352A (en) Automatic gain control circuit
JPS51117857A (en) Automatic gain control circuit
JPS52139343A (en) Agc circuit
JPS573409A (en) Agc circuit
JPS5379358A (en) Multistage on-line differential amplifier
JPS5390802A (en) Control system for light receiving system
JPS5348713A (en) Automatic setting system for gain
JPS52137238A (en) Gain control circuit
JPS5344152A (en) Automatic gain control circuit by pilot signal
JPS5769915A (en) Automatic gain control circuit