JPH0324812B2 - - Google Patents

Info

Publication number
JPH0324812B2
JPH0324812B2 JP58035458A JP3545883A JPH0324812B2 JP H0324812 B2 JPH0324812 B2 JP H0324812B2 JP 58035458 A JP58035458 A JP 58035458A JP 3545883 A JP3545883 A JP 3545883A JP H0324812 B2 JPH0324812 B2 JP H0324812B2
Authority
JP
Japan
Prior art keywords
gain
input terminal
amplifier
switch
terminal
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
JP58035458A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59161109A (ja
Inventor
Akihiko Takada
Kyoshi Taniguchi
Takafumi Nakajo
Tadakatsu Kimura
Masayuki Ishikawa
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
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
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, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP3545883A priority Critical patent/JPS59161109A/ja
Publication of JPS59161109A publication Critical patent/JPS59161109A/ja
Publication of JPH0324812B2 publication Critical patent/JPH0324812B2/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
    • H03G3/001—Digital control of analog signals

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP3545883A 1983-03-04 1983-03-04 可変利得増幅器 Granted JPS59161109A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3545883A JPS59161109A (ja) 1983-03-04 1983-03-04 可変利得増幅器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3545883A JPS59161109A (ja) 1983-03-04 1983-03-04 可変利得増幅器

Publications (2)

Publication Number Publication Date
JPS59161109A JPS59161109A (ja) 1984-09-11
JPH0324812B2 true JPH0324812B2 (en]) 1991-04-04

Family

ID=12442342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3545883A Granted JPS59161109A (ja) 1983-03-04 1983-03-04 可変利得増幅器

Country Status (1)

Country Link
JP (1) JPS59161109A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61154016U (en]) * 1985-03-15 1986-09-24
JPS62111510A (ja) * 1985-11-11 1987-05-22 Nec Corp 増幅回路
JP2008098771A (ja) * 2006-10-06 2008-04-24 Niigata Seimitsu Kk 低雑音増幅器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055813A (en) * 1976-06-16 1977-10-25 Sterndent Corporation Single adjustment multiple function calibration circuit
JPS57162808A (en) * 1981-03-31 1982-10-06 Tektronix Inc Variable gain amplifier

Also Published As

Publication number Publication date
JPS59161109A (ja) 1984-09-11

Similar Documents

Publication Publication Date Title
US4855685A (en) Precision switchable gain circuit
US4132957A (en) Programmable amplifier
JPS6028449B2 (ja) 可変減衰器
US5920187A (en) Dual path attenuator for a high frequency calibration circuit
KR920010006B1 (ko) 감쇠기
JPS6019459B2 (ja) 電気計測器のレンジ切換装置
US6344780B1 (en) Impedance adjusting circuit
JPH0324812B2 (en])
SE437905B (sv) Programmerbart filter innefattande en kedja av minst tre allpassektioner
US4048576A (en) Transistor amplifier stage with selectively adjustable gain control circuit
JPH07254830A (ja) 電子ボリューム回路
JPS6313572B2 (en])
US3983504A (en) Active filter
US4716321A (en) Low noise, high thermal stability attenuator of the integratable type
JPS62173809A (ja) 増幅装置
JPH0467368B2 (en])
JP3951726B2 (ja) ゲインコントロール回路及び電子ボリューム回路
JPH04506289A (ja) ディジタルアナログ変換器
JPH04160912A (ja) 電子ボリューム
JPS6111486B2 (en])
JPS60236509A (ja) 差動可変増幅回路
JPS61145918A (ja) 電子ボリユ−ム回路
JPH0221780Y2 (en])
JPH0630426B2 (ja) 利得可変回路
JP2606813B2 (ja) 演算増巾器の理想出力処理装置