JPS59189318U - wideband amplifier circuit - Google Patents

wideband amplifier circuit

Info

Publication number
JPS59189318U
JPS59189318U JP8186383U JP8186383U JPS59189318U JP S59189318 U JPS59189318 U JP S59189318U JP 8186383 U JP8186383 U JP 8186383U JP 8186383 U JP8186383 U JP 8186383U JP S59189318 U JPS59189318 U JP S59189318U
Authority
JP
Japan
Prior art keywords
input
signal
receives
positive input
capacitor
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
JP8186383U
Other languages
Japanese (ja)
Other versions
JPH0212745Y2 (en
Inventor
武藤　泰彦
Original Assignee
株式会社ケンウッド
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 株式会社ケンウッド filed Critical 株式会社ケンウッド
Priority to JP8186383U priority Critical patent/JPS59189318U/en
Publication of JPS59189318U publication Critical patent/JPS59189318U/en
Application granted granted Critical
Publication of JPH0212745Y2 publication Critical patent/JPH0212745Y2/ja
Granted legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の広帯域増幅回路を示す回路図、第２図は
本考案に係る広帯域増幅回路の実施例を示す回路図であ
る。 ｌ：ＦＥＴ、　２：能動素子、３：帰還回路、Ｒ１，Ｒ
２：分圧抵抗、Ｑ□：演算増幅器、Ｑ２：広帯域増幅器
。FIG. 1 is a circuit diagram showing a conventional wideband amplifier circuit, and FIG. 2 is a circuit diagram showing an embodiment of the wideband amplifier circuit according to the present invention. l: FET, 2: Active element, 3: Feedback circuit, R1, R
2: Voltage dividing resistor, Q□: Operational amplifier, Q2: Wideband amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ソースフォロワ接続になっており、入力信号がそのゲー
ト端子に接続されているＥＥＴと、該ＦＥＴからの出力
信号を入力とするエミッタフォロワ形の能動素子と、上
記入力信号を分圧する分圧抵抗と、分圧された信号をそ
の＋側入力とする演算増幅器と、上記＋側入力と上記能
動素子のエミッタとの間に介挿された第１のコンデンサ
と、上記エミッタからの信号を第２のコンデンサを介し
てその＋側入力とすると共に上記演算増幅器からの出力
がその＋側入力端に入力されている広帯域増幅器と、該
広帯域増幅器の出力端と上記演算増幅器の一側入力端と
の間に介挿されている帰還回路とを備えていることを特
徴とする広帯域増幅回路。An EET that has a source follower connection and has an input signal connected to its gate terminal, an emitter follower type active element that receives the output signal from the FET, and a voltage dividing resistor that divides the voltage of the input signal. , an operational amplifier that receives the voltage-divided signal as its positive input; a first capacitor inserted between the positive input and the emitter of the active element; and a second capacitor that receives the signal from the emitter. a wideband amplifier whose positive input is connected via a capacitor and the output from the operational amplifier is input to its positive input terminal; and between the output terminal of the broadband amplifier and one input terminal of the operational amplifier. and a feedback circuit inserted into the broadband amplifier circuit.
JP8186383U 1983-06-01 1983-06-01 wideband amplifier circuit Granted JPS59189318U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8186383U JPS59189318U (en) 1983-06-01 1983-06-01 wideband amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8186383U JPS59189318U (en) 1983-06-01 1983-06-01 wideband amplifier circuit

Publications (2)

Publication Number Publication Date
JPS59189318U true JPS59189318U (en) 1984-12-15
JPH0212745Y2 JPH0212745Y2 (en) 1990-04-10

Family

ID=30211819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8186383U Granted JPS59189318U (en) 1983-06-01 1983-06-01 wideband amplifier circuit

Country Status (1)

Country Link
JP (1) JPS59189318U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55148208U (en) * 1979-04-12 1980-10-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55148208U (en) * 1979-04-12 1980-10-24

Also Published As

Publication number Publication date
JPH0212745Y2 (en) 1990-04-10

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