JPS56156005A - Electric power amplifier - Google Patents

Electric power amplifier

Info

Publication number
JPS56156005A
JPS56156005A JP5896480A JP5896480A JPS56156005A JP S56156005 A JPS56156005 A JP S56156005A JP 5896480 A JP5896480 A JP 5896480A JP 5896480 A JP5896480 A JP 5896480A JP S56156005 A JPS56156005 A JP S56156005A
Authority
JP
Japan
Prior art keywords
control
signal
amplifier
idling current
control input
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
JP5896480A
Other languages
Japanese (ja)
Other versions
JPS6332284B2 (en
Inventor
Takuzo Kamimura
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.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
Toyo Electronics Industry 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 Rohm Co Ltd, Toyo Electronics Industry Corp filed Critical Rohm Co Ltd
Priority to JP5896480A priority Critical patent/JPS56156005A/en
Publication of JPS56156005A publication Critical patent/JPS56156005A/en
Publication of JPS6332284B2 publication Critical patent/JPS6332284B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier

Landscapes

  • Amplifiers (AREA)

Abstract

PURPOSE:To reduce the power consumption, by applying the control input signal to an exclusive control input terminal and thus controlling the idling current. CONSTITUTION:The signal supplied to an input terminal 32 is amplified by the amplifiers 22, 24 and 26 to be delivered through an output terminal 34 is the form of an output signal. An idling control circuit 30 controls the idling current of amplifier 26 based on the control input signal applied from outside. When the control signal is applied to a terminal 40 from a control input circuit 42, a control output is produced from the circuit 30 to give a control to the idling current of amplifier 26. In such way, the idling current flowing to the amplifier 26 can be controlled to reduce the power consumption.
JP5896480A 1980-05-02 1980-05-02 Electric power amplifier Granted JPS56156005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5896480A JPS56156005A (en) 1980-05-02 1980-05-02 Electric power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5896480A JPS56156005A (en) 1980-05-02 1980-05-02 Electric power amplifier

Publications (2)

Publication Number Publication Date
JPS56156005A true JPS56156005A (en) 1981-12-02
JPS6332284B2 JPS6332284B2 (en) 1988-06-29

Family

ID=13099519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5896480A Granted JPS56156005A (en) 1980-05-02 1980-05-02 Electric power amplifier

Country Status (1)

Country Link
JP (1) JPS56156005A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009044529A (en) * 2007-08-09 2009-02-26 Yamaha Corp Signal amplifier, amplifying system and signal amplifying method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991567A (en) * 1972-12-30 1974-09-02
JPS5457942U (en) * 1977-09-29 1979-04-21
JPS55133110A (en) * 1979-04-04 1980-10-16 Pioneer Electronic Corp Integrated circuit device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991567A (en) * 1972-12-30 1974-09-02
JPS5457942U (en) * 1977-09-29 1979-04-21
JPS55133110A (en) * 1979-04-04 1980-10-16 Pioneer Electronic Corp Integrated circuit device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009044529A (en) * 2007-08-09 2009-02-26 Yamaha Corp Signal amplifier, amplifying system and signal amplifying method
US8130982B2 (en) 2007-08-09 2012-03-06 Yamaha Corporation Signal amplifying apparatus, amplification system, and signal amplification method

Also Published As

Publication number Publication date
JPS6332284B2 (en) 1988-06-29

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