JPH03107818U - - Google Patents

Info

Publication number
JPH03107818U
JPH03107818U JP1541890U JP1541890U JPH03107818U JP H03107818 U JPH03107818 U JP H03107818U JP 1541890 U JP1541890 U JP 1541890U JP 1541890 U JP1541890 U JP 1541890U JP H03107818 U JPH03107818 U JP H03107818U
Authority
JP
Japan
Prior art keywords
low frequency
circuit
amplifier
variable resistor
gain
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.)
Pending
Application number
JP1541890U
Other languages
English (en)
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 filed Critical
Priority to JP1541890U priority Critical patent/JPH03107818U/ja
Publication of JPH03107818U publication Critical patent/JPH03107818U/ja
Pending legal-status Critical Current

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Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の実施例である低域強調回路
を示す回路図、第2図a,bおよびcは同実施例
における各部の周波数特性を示す線図、第3図は
従来の低域強調回路の例を示す回路図である。 1……増幅器、2……マスターボリユーム、3
……可変抵抗器、4……コンデンサ、5……抵抗
器、6,7,8……抵抗器、9……コンデンサ、
10,11……可変抵抗器。

Claims (1)

  1. 【実用新案登録請求の範囲】 1 増幅器の入力回路と帰還回路の周波数特性に
    おいて、低域ゲインを増大したことを特徴とする
    低域強調回路。 2 増幅器の入力回路と帰還回路に可変抵抗器を
    設け、低域のゲイン可変を前記可変抵抗器により
    連動した請求項1の低域強調回路。 3 前記可変抵抗器により増幅器の低域ゲイン可
    変とラウドネスコントロールを同時に行う請求項
    2の低域強調回路。
JP1541890U 1990-02-19 1990-02-19 Pending JPH03107818U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1541890U JPH03107818U (ja) 1990-02-19 1990-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1541890U JPH03107818U (ja) 1990-02-19 1990-02-19

Publications (1)

Publication Number Publication Date
JPH03107818U true JPH03107818U (ja) 1991-11-06

Family

ID=31518723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1541890U Pending JPH03107818U (ja) 1990-02-19 1990-02-19

Country Status (1)

Country Link
JP (1) JPH03107818U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6153810A (ja) * 1984-08-23 1986-03-17 Fujitsu Ten Ltd オ−デイオ増幅器の音質調整装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6153810A (ja) * 1984-08-23 1986-03-17 Fujitsu Ten Ltd オ−デイオ増幅器の音質調整装置

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