JPS5582512A - Amplifier - Google Patents

Amplifier

Info

Publication number
JPS5582512A
JPS5582512A JP15731478A JP15731478A JPS5582512A JP S5582512 A JPS5582512 A JP S5582512A JP 15731478 A JP15731478 A JP 15731478A JP 15731478 A JP15731478 A JP 15731478A JP S5582512 A JPS5582512 A JP S5582512A
Authority
JP
Japan
Prior art keywords
voltage
amplifier
load
distortion
current
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
JP15731478A
Other languages
Japanese (ja)
Inventor
Takeshi Sato
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 JP15731478A priority Critical patent/JPS5582512A/en
Publication of JPS5582512A publication Critical patent/JPS5582512A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To supply current with no distortion to load at all times, by feeding back the voltage of distortion component which is outputted with the substraction between the current detection voltage and input voltage to the amplifier. CONSTITUTION:The input voltage ei is amplified a multiple of gain with voltage feedback with the feedback resistors R1, R3 at the amplifier 2 and the output voltage eo is outputted from the terminal 3. Current flows to the load 4 and current detection resistor R4 depending on the voltage eo and the voltage eif is given across the resistor R4. The voltage eif is subtracted from the input voltage e1 at the subtraction circuit 5, the voltage esf of distortion component is picked up from the output of the circuit 5 and the feedback voltage ef is fed to the amplifier 2 via the resistor R2, allowing to feed the current of non-distortion to the load 4 at all times.
JP15731478A 1978-12-19 1978-12-19 Amplifier Pending JPS5582512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15731478A JPS5582512A (en) 1978-12-19 1978-12-19 Amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15731478A JPS5582512A (en) 1978-12-19 1978-12-19 Amplifier

Publications (1)

Publication Number Publication Date
JPS5582512A true JPS5582512A (en) 1980-06-21

Family

ID=15646967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15731478A Pending JPS5582512A (en) 1978-12-19 1978-12-19 Amplifier

Country Status (1)

Country Link
JP (1) JPS5582512A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726907A (en) * 1980-07-25 1982-02-13 Toshiba Corp Distortion rejector
JPS5743619U (en) * 1980-08-26 1982-03-10
JPS58173907A (en) * 1982-04-05 1983-10-12 Shigeaki Morita Transient controlling method of speaker using counter electromotive of speaker
JPS58175309A (en) * 1982-04-08 1983-10-14 Nippon Gakki Seizo Kk Feedback system
EP0309835A2 (en) * 1987-09-30 1989-04-05 Yamaha Corporation Motional load driver
JPH0416074A (en) * 1990-05-10 1992-01-21 Nec Corp Operating current detection circuit for amplifier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121460A (en) * 1973-03-20 1974-11-20
JPS5068452A (en) * 1973-10-18 1975-06-07

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121460A (en) * 1973-03-20 1974-11-20
JPS5068452A (en) * 1973-10-18 1975-06-07

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726907A (en) * 1980-07-25 1982-02-13 Toshiba Corp Distortion rejector
JPS5743619U (en) * 1980-08-26 1982-03-10
JPS58173907A (en) * 1982-04-05 1983-10-12 Shigeaki Morita Transient controlling method of speaker using counter electromotive of speaker
JPS58175309A (en) * 1982-04-08 1983-10-14 Nippon Gakki Seizo Kk Feedback system
JPH047124B2 (en) * 1982-04-08 1992-02-10 Yamaha Corp
EP0309835A2 (en) * 1987-09-30 1989-04-05 Yamaha Corporation Motional load driver
JPH0416074A (en) * 1990-05-10 1992-01-21 Nec Corp Operating current detection circuit for amplifier

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