JPS5850716U - Batsuhua amp - Google Patents

Batsuhua amp

Info

Publication number
JPS5850716U
JPS5850716U JP14028981U JP14028981U JPS5850716U JP S5850716 U JPS5850716 U JP S5850716U JP 14028981 U JP14028981 U JP 14028981U JP 14028981 U JP14028981 U JP 14028981U JP S5850716 U JPS5850716 U JP S5850716U
Authority
JP
Japan
Prior art keywords
drain
output
fet
amplifier
operational amplifier
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
JP14028981U
Other languages
Japanese (ja)
Other versions
JPS6221057Y2 (en
Inventor
健司 横山
Original Assignee
ヤマハ株式会社
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 ヤマハ株式会社 filed Critical ヤマハ株式会社
Priority to JP14028981U priority Critical patent/JPS5850716U/en
Publication of JPS5850716U publication Critical patent/JPS5850716U/en
Application granted granted Critical
Publication of JPS6221057Y2 publication Critical patent/JPS6221057Y2/ja
Granted legal-status Critical Current

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  • Amplifiers (AREA)

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) [Abstract] 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 drawings]

第１図ａ、　　ｂ、　　ｃは従来におけるバッファアン
プの構成例を示す回路図、第２図はこの考案の一実施例
を示す回路図、第３図は第２図の回路の実際の設計例を
示す回路図である。 １０．１１・・・・・・差動アンプを構成するＦＥＴ。 １２・・・・・・オペアンプ、Ｒｂ　Ｒ（・・・・・・
ドレイン負荷抵抗、Ｃ２・・・・・・ドレイン負荷抵抗
の共通接続点電圧を出力電圧に応じてシフトするコンデ
ンサ。Figures 1a, b, and c are circuit diagrams showing configuration examples of conventional buffer amplifiers, Figure 2 is a circuit diagram showing an embodiment of this invention, and Figure 3 is an actual design example of the circuit in Figure 2. FIG. 10.11... FET that constitutes a differential amplifier. 12...Operational amplifier, Rb R(...
Drain load resistance, C2...Capacitor that shifts the common connection point voltage of the drain load resistance according to the output voltage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一方のゲートに入力信号が加えられるＦＥＴ差動アンプ
と、前記ＦＥＴ差動アンプにおける各ＦＥＴのドレイン
にそれぞれ接続されたドレイン負荷抵抗と、前記各ＦＥ
Ｔのドレイン出力を入力し、その出力を前記ＦＥＴ差動
アンプの他方のゲートに直接帰還するオペアンプと、前
記オペアンプの出力から電圧シフト手段を介して前記ド
レイン負荷抵抗の共通接続点電圧を制御する電圧シフト
手段とを具え、前記オペアンプから出力信号を取出すよ
うにしたバッファアンプ。an FET differential amplifier to which an input signal is applied to one gate; a drain load resistor connected to the drain of each FET in the FET differential amplifier;
an operational amplifier that inputs the drain output of T and feeds the output directly back to the other gate of the FET differential amplifier; and a voltage shifter that controls the common connection point voltage of the drain load resistor from the output of the operational amplifier. A buffer amplifier comprising voltage shifting means and configured to extract an output signal from the operational amplifier.
JP14028981U 1981-09-21 1981-09-21 Batsuhua amp Granted JPS5850716U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14028981U JPS5850716U (en) 1981-09-21 1981-09-21 Batsuhua amp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14028981U JPS5850716U (en) 1981-09-21 1981-09-21 Batsuhua amp

Publications (2)

Publication Number Publication Date
JPS5850716U true JPS5850716U (en) 1983-04-06
JPS6221057Y2 JPS6221057Y2 (en) 1987-05-28

Family

ID=29933453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14028981U Granted JPS5850716U (en) 1981-09-21 1981-09-21 Batsuhua amp

Country Status (1)

Country Link
JP (1) JPS5850716U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58149898U (en) * 1982-04-01 1983-10-07 三菱電機株式会社 speaker

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444476A (en) * 1965-03-19 1969-05-13 Rca Corp Direct coupled amplifier with feedback for d.c. error correction
JPS5617712U (en) * 1979-07-20 1981-02-16

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617712B2 (en) * 1973-07-26 1981-04-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444476A (en) * 1965-03-19 1969-05-13 Rca Corp Direct coupled amplifier with feedback for d.c. error correction
JPS5617712U (en) * 1979-07-20 1981-02-16

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58149898U (en) * 1982-04-01 1983-10-07 三菱電機株式会社 speaker
JPH039434Y2 (en) * 1982-04-01 1991-03-08

Also Published As

Publication number Publication date
JPS6221057Y2 (en) 1987-05-28

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