JPS6218085B2 - - Google Patents

Info

Publication number
JPS6218085B2
JPS6218085B2 JP55076427A JP7642780A JPS6218085B2 JP S6218085 B2 JPS6218085 B2 JP S6218085B2 JP 55076427 A JP55076427 A JP 55076427A JP 7642780 A JP7642780 A JP 7642780A JP S6218085 B2 JPS6218085 B2 JP S6218085B2
Authority
JP
Japan
Prior art keywords
circuit
level
control signal
signal
agc
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
Application number
JP55076427A
Other languages
English (en)
Japanese (ja)
Other versions
JPS573409A (en
Inventor
Takashi Ikeda
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 JP7642780A priority Critical patent/JPS573409A/ja
Publication of JPS573409A publication Critical patent/JPS573409A/ja
Publication of JPS6218085B2 publication Critical patent/JPS6218085B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP7642780A 1980-06-06 1980-06-06 Agc circuit Granted JPS573409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7642780A JPS573409A (en) 1980-06-06 1980-06-06 Agc circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7642780A JPS573409A (en) 1980-06-06 1980-06-06 Agc circuit

Publications (2)

Publication Number Publication Date
JPS573409A JPS573409A (en) 1982-01-08
JPS6218085B2 true JPS6218085B2 (fr) 1987-04-21

Family

ID=13604865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7642780A Granted JPS573409A (en) 1980-06-06 1980-06-06 Agc circuit

Country Status (1)

Country Link
JP (1) JPS573409A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6165180A (ja) * 1984-09-07 1986-04-03 Tech Res & Dev Inst Of Japan Def Agency レ−ダの利得変動補償方法
JP2008161895A (ja) * 2006-12-27 2008-07-17 Showa Denko Kk 押出加工方法及び同装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151356A (en) * 1978-05-20 1979-11-28 Kopia Kk Automatic gain control amplifier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151356A (en) * 1978-05-20 1979-11-28 Kopia Kk Automatic gain control amplifier

Also Published As

Publication number Publication date
JPS573409A (en) 1982-01-08

Similar Documents

Publication Publication Date Title
KR200492445Y1 (ko) 음향 거리 비행 시간 보상을 위한 회로
US4198702A (en) Time varying gain amplifier for side scan sonar applications
US7885144B2 (en) Time-dependant gain control for an amplifier used in receiving echoes
JPH0787633B2 (ja) 電気−音響変換装置
US4445379A (en) Apparatus for receiving reflected ultrasonic waves in ultrasonography
JPS6218085B2 (fr)
JP3074231B2 (ja) オーディオ機器のａｇｃ回路
JPH0772242A (ja) アクティブソナー装置
JP3576890B2 (ja) ソーナー装置
US3449710A (en) Controlled threshold detector for sonar applications
JPS6310793B2 (fr)
JP2714153B2 (ja) 利得制御装置
JPS6031270B2 (ja) アクティブソ−ナ−装置
JP2002311129A (ja) 水中探知装置の受信回路
JPS6344775Y2 (fr)
JPH0136152Y2 (fr)
JPH05264720A (ja) 音響測深機
JP2612081B2 (ja) 水中音響探知装置
JPH0352834B2 (fr)
JPH0516728Y2 (fr)
JP2770473B2 (ja) アクティブソナー用信号処理方法およびその装置
JPS6233778B2 (fr)
JPH06249949A (ja) 周波数別ａｇｃ回路
JPS6241020B2 (fr)
JPH0239754B2 (fr)