JPH01125010A - 可変利得増幅器 - Google Patents

可変利得増幅器

Info

Publication number
JPH01125010A
JPH01125010A JP28262087A JP28262087A JPH01125010A JP H01125010 A JPH01125010 A JP H01125010A JP 28262087 A JP28262087 A JP 28262087A JP 28262087 A JP28262087 A JP 28262087A JP H01125010 A JPH01125010 A JP H01125010A
Authority
JP
Japan
Prior art keywords
transistor
base
collector
transistors
emitter
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
JP28262087A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0570329B2 (en]
Inventor
Masamichi Nogami
正道 野上
Kuniaki Motojima
邦明 本島
Tadayoshi Kitayama
北山　忠義
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP28262087A priority Critical patent/JPH01125010A/ja
Publication of JPH01125010A publication Critical patent/JPH01125010A/ja
Publication of JPH0570329B2 publication Critical patent/JPH0570329B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP28262087A 1987-11-09 1987-11-09 可変利得増幅器 Granted JPH01125010A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28262087A JPH01125010A (ja) 1987-11-09 1987-11-09 可変利得増幅器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28262087A JPH01125010A (ja) 1987-11-09 1987-11-09 可変利得増幅器

Publications (2)

Publication Number Publication Date
JPH01125010A true JPH01125010A (ja) 1989-05-17
JPH0570329B2 JPH0570329B2 (en]) 1993-10-04

Family

ID=17654892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28262087A Granted JPH01125010A (ja) 1987-11-09 1987-11-09 可変利得増幅器

Country Status (1)

Country Link
JP (1) JPH01125010A (en])

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62183207A (ja) * 1986-02-07 1987-08-11 Hitachi Ltd 利得可変増幅器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62183207A (ja) * 1986-02-07 1987-08-11 Hitachi Ltd 利得可変増幅器

Also Published As

Publication number Publication date
JPH0570329B2 (en]) 1993-10-04

Similar Documents

Publication Publication Date Title
JPH0121642B2 (en])
JP3404209B2 (ja) トランスインピーダンス増幅器回路
JPH04369107A (ja) 差動増幅器
JPH10107584A (ja) トランスインピーダンス関数を発生するための集積回路および方法
US4794348A (en) Linear wideband differential amplifier and method for linearizing the same
US4370608A (en) Integrable conversion circuit for converting input voltage to output current or voltage
JPH01125010A (ja) 可変利得増幅器
JP2694767B2 (ja) 積分器
JPH03227105A (ja) 演算増幅器のオフセット調整回路
JP3430415B2 (ja) 差動増幅器
US4047118A (en) Transistor amplifier circuit
JP3286826B2 (ja) 可変利得増幅回路
JP2553135B2 (ja) 可変利得回路のベース電流補償回路
JPS58181310A (ja) 電圧利得制御増幅装置
JP3367875B2 (ja) 対数変換回路及びこれを用いたトランスコンダクター
JP2503887B2 (ja) 利得可変回路
JPH0487407A (ja) バッファ回路
JP2001509992A (ja) 低電力高線形性対数線形制御の方法および装置
JPS63296404A (ja) 差動増幅回路
JPH01125107A (ja) 増幅回路
JPH07106860A (ja) アンプのバイアス回路
JPH0346406A (ja) 可変利得増幅器
JPH0630424B2 (ja) 利得可変型増幅回路
JPH02142211A (ja) 利得可変増幅器
JPS63148706A (ja) 差動増幅回路

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees