JPS59140512U - equalizer amplifier - Google Patents

equalizer amplifier

Info

Publication number
JPS59140512U
JPS59140512U JP3510283U JP3510283U JPS59140512U JP S59140512 U JPS59140512 U JP S59140512U JP 3510283 U JP3510283 U JP 3510283U JP 3510283 U JP3510283 U JP 3510283U JP S59140512 U JPS59140512 U JP S59140512U
Authority
JP
Japan
Prior art keywords
resistor
equalizer amplifier
inverting input
impedance circuit
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
JP3510283U
Other languages
Japanese (ja)
Other versions
JPH0212740Y2 (en
Inventor
中尾　賢司
笠井　譲治
森田　信矢
Original Assignee
オンキヨー株式会社
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 オンキヨー株式会社 filed Critical オンキヨー株式会社
Priority to JP3510283U priority Critical patent/JPS59140512U/en
Publication of JPS59140512U publication Critical patent/JPS59140512U/en
Application granted granted Critical
Publication of JPH0212740Y2 publication Critical patent/JPH0212740Y2/ja
Granted legal-status Critical Current

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  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (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) [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図は従来のイコライザアンプの構成を示す図、第２
図は本考案のイコライザアンプの構成を示す図、第３図
は同、周波数特性図、第４図は同、他の実施例を示す図
である。 １は差動型増幅器、２，６はインピーダンス回路、５は
スイッチである。Figure 1 shows the configuration of a conventional equalizer amplifier, Figure 2 shows the configuration of a conventional equalizer amplifier.
3 is a diagram showing the configuration of the equalizer amplifier of the present invention, FIG. 3 is a frequency characteristic diagram of the same, and FIG. 4 is a diagram showing another embodiment of the same. 1 is a differential amplifier, 2 and 6 are impedance circuits, and 5 is a switch.

Claims (1)

【実用新案登録請求の範囲】 １　差動型増幅器１の非反転入力を信号の入力端子とし
、反転入力を抵抗Ｒ□を介して接地するとともに、増幅
出力を帰還用抵抗Ｒ２およびＬＰレコード再生用の第１
の、インピーダンス回路２を介して上記反転入力に帰還
した負帰還型イコライザアンプにおいて、第３のインピ
ーダンス回路６をスイッチ５を介して上記抵抗Ｒ１と並
列に接続してＳＰレコード再生特性を得るようにしたこ
とを特徴とするイコライザアンプ。 ２　上記抵抗Ｒ１を抵抗Ｒ５，Ｒ６に分割し、当該抵抗
Ｒ５，Ｒ６のいずれか一方の抵抗と並列に第３のインピ
ーダンス回路６を接続するようにした実用新案登録請求
の範囲第１項記載のイコライザアンプ。[Claims for Utility Model Registration] 1. The non-inverting input of the differential amplifier 1 is used as a signal input terminal, the inverting input is grounded via a resistor R□, and the amplified output is connected to a feedback resistor R2 and for LP record playback. 1st of
In the negative feedback type equalizer amplifier that feeds back to the inverting input via the impedance circuit 2, a third impedance circuit 6 is connected in parallel with the resistor R1 via the switch 5 to obtain SP record playback characteristics. An equalizer amplifier characterized by the following. 2. A utility model according to claim 1, in which the resistor R1 is divided into resistors R5 and R6, and a third impedance circuit 6 is connected in parallel with one of the resistors R5 and R6. equalizer amplifier.
JP3510283U 1983-03-10 1983-03-10 equalizer amplifier Granted JPS59140512U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3510283U JPS59140512U (en) 1983-03-10 1983-03-10 equalizer amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3510283U JPS59140512U (en) 1983-03-10 1983-03-10 equalizer amplifier

Publications (2)

Publication Number Publication Date
JPS59140512U true JPS59140512U (en) 1984-09-19
JPH0212740Y2 JPH0212740Y2 (en) 1990-04-10

Family

ID=30165810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3510283U Granted JPS59140512U (en) 1983-03-10 1983-03-10 equalizer amplifier

Country Status (1)

Country Link
JP (1) JPS59140512U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0356217U (en) * 1989-10-03 1991-05-30
JP2015070536A (en) * 2013-09-30 2015-04-13 株式会社エヌエフ回路設計ブロック Current feedback amplification circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442450U (en) * 1977-08-29 1979-03-22
JPS5617717U (en) * 1979-07-17 1981-02-16

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617717B2 (en) * 1973-02-23 1981-04-23
JPS5133315A (en) * 1974-09-13 1976-03-22 Hyoshi Tatsuno KYUYUSOCHI

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442450U (en) * 1977-08-29 1979-03-22
JPS5617717U (en) * 1979-07-17 1981-02-16

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0356217U (en) * 1989-10-03 1991-05-30
JP2015070536A (en) * 2013-09-30 2015-04-13 株式会社エヌエフ回路設計ブロック Current feedback amplification circuit

Also Published As

Publication number Publication date
JPH0212740Y2 (en) 1990-04-10

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