JPS53114604A - Automatic gain control system - Google Patents

Automatic gain control system

Info

Publication number
JPS53114604A
JPS53114604A JP2983677A JP2983677A JPS53114604A JP S53114604 A JPS53114604 A JP S53114604A JP 2983677 A JP2983677 A JP 2983677A JP 2983677 A JP2983677 A JP 2983677A JP S53114604 A JPS53114604 A JP S53114604A
Authority
JP
Japan
Prior art keywords
gain control
automatic gain
control system
fluctuation
line loss
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.)
Pending
Application number
JP2983677A
Other languages
Japanese (ja)
Inventor
Akimasa Yamazaki
Hitoshi Yoshizawa
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2983677A priority Critical patent/JPS53114604A/en
Publication of JPS53114604A publication Critical patent/JPS53114604A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/44—Arrangements for feeding power to a repeater along the transmission line

Abstract

PURPOSE:To monitor a line loss easily by monitoring the voltage drop of feeders where loss fluctuation is equal to line loss fluctuation and operating an automatic gain control circuit according to this fluctuation aquantity.
JP2983677A 1977-03-17 1977-03-17 Automatic gain control system Pending JPS53114604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2983677A JPS53114604A (en) 1977-03-17 1977-03-17 Automatic gain control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2983677A JPS53114604A (en) 1977-03-17 1977-03-17 Automatic gain control system

Publications (1)

Publication Number Publication Date
JPS53114604A true JPS53114604A (en) 1978-10-06

Family

ID=12287090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2983677A Pending JPS53114604A (en) 1977-03-17 1977-03-17 Automatic gain control system

Country Status (1)

Country Link
JP (1) JPS53114604A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015019163A (en) * 2013-07-09 2015-01-29 富士通株式会社 Control device and control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015019163A (en) * 2013-07-09 2015-01-29 富士通株式会社 Control device and control method

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