JPS6351409B2 - - Google Patents

Info

Publication number
JPS6351409B2
JPS6351409B2 JP55054273A JP5427380A JPS6351409B2 JP S6351409 B2 JPS6351409 B2 JP S6351409B2 JP 55054273 A JP55054273 A JP 55054273A JP 5427380 A JP5427380 A JP 5427380A JP S6351409 B2 JPS6351409 B2 JP S6351409B2
Authority
JP
Japan
Prior art keywords
circuit
output
terminal
current
variable impedance
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.)
Expired
Application number
JP55054273A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56152309A (en
Inventor
Masayuki Katakura
Kenzo Akagiri
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP5427380A priority Critical patent/JPS56152309A/ja
Publication of JPS56152309A publication Critical patent/JPS56152309A/ja
Publication of JPS6351409B2 publication Critical patent/JPS6351409B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
JP5427380A 1980-04-25 1980-04-25 Noise reduction circuit Granted JPS56152309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5427380A JPS56152309A (en) 1980-04-25 1980-04-25 Noise reduction circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5427380A JPS56152309A (en) 1980-04-25 1980-04-25 Noise reduction circuit

Publications (2)

Publication Number Publication Date
JPS56152309A JPS56152309A (en) 1981-11-25
JPS6351409B2 true JPS6351409B2 (en)) 1988-10-13

Family

ID=12965963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5427380A Granted JPS56152309A (en) 1980-04-25 1980-04-25 Noise reduction circuit

Country Status (1)

Country Link
JP (1) JPS56152309A (en))

Also Published As

Publication number Publication date
JPS56152309A (en) 1981-11-25

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