JPS56140714A - Voice signal amplifier - Google Patents

Voice signal amplifier

Info

Publication number
JPS56140714A
JPS56140714A JP4396480A JP4396480A JPS56140714A JP S56140714 A JPS56140714 A JP S56140714A JP 4396480 A JP4396480 A JP 4396480A JP 4396480 A JP4396480 A JP 4396480A JP S56140714 A JPS56140714 A JP S56140714A
Authority
JP
Japan
Prior art keywords
amplifier
agc
voice signal
switch
delivered
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
JP4396480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6216441B2 (enrdf_load_stackoverflow
Inventor
Katsuhisa Nishimura
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4396480A priority Critical patent/JPS56140714A/ja
Publication of JPS56140714A publication Critical patent/JPS56140714A/ja
Publication of JPS6216441B2 publication Critical patent/JPS6216441B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP4396480A 1980-04-02 1980-04-02 Voice signal amplifier Granted JPS56140714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4396480A JPS56140714A (en) 1980-04-02 1980-04-02 Voice signal amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4396480A JPS56140714A (en) 1980-04-02 1980-04-02 Voice signal amplifier

Publications (2)

Publication Number Publication Date
JPS56140714A true JPS56140714A (en) 1981-11-04
JPS6216441B2 JPS6216441B2 (enrdf_load_stackoverflow) 1987-04-13

Family

ID=12678385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4396480A Granted JPS56140714A (en) 1980-04-02 1980-04-02 Voice signal amplifier

Country Status (1)

Country Link
JP (1) JPS56140714A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009027364A (ja) 2007-07-18 2009-02-05 Sanyo Electric Co Ltd 自動利得増幅回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986023U (enrdf_load_stackoverflow) * 1972-11-14 1974-07-25
JPS5157120U (enrdf_load_stackoverflow) * 1974-10-30 1976-05-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986023U (enrdf_load_stackoverflow) * 1972-11-14 1974-07-25
JPS5157120U (enrdf_load_stackoverflow) * 1974-10-30 1976-05-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009027364A (ja) 2007-07-18 2009-02-05 Sanyo Electric Co Ltd 自動利得増幅回路

Also Published As

Publication number Publication date
JPS6216441B2 (enrdf_load_stackoverflow) 1987-04-13

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