JPS55140307A - Distortion cancelling amplifying circuit - Google Patents

Distortion cancelling amplifying circuit

Info

Publication number
JPS55140307A
JPS55140307A JP4858079A JP4858079A JPS55140307A JP S55140307 A JPS55140307 A JP S55140307A JP 4858079 A JP4858079 A JP 4858079A JP 4858079 A JP4858079 A JP 4858079A JP S55140307 A JPS55140307 A JP S55140307A
Authority
JP
Japan
Prior art keywords
amplifier
distortion
signal
output
amplifying circuit
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
JP4858079A
Other languages
Japanese (ja)
Inventor
Eiichiro Furuta
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP4858079A priority Critical patent/JPS55140307A/en
Publication of JPS55140307A publication Critical patent/JPS55140307A/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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To make it possible to obtain an output signal faithful to the input signal by connecting the first and the second amplifiers as prescribed to cancel distortion. CONSTITUTION:Signal source 1 for sound signal and so on is connected to not only the first amplifier 2A but also the negative terminal of differential amplifier 2B which is the second amplifier. The output of amplifier 2A is connected to the positive terminal of amplifier 2B by the branching feedback path having attenuator 4, and load 3 is connected to the output side of amplifiers 2A and 2B. By this circuit forming, distortion components generated in amplifier 2A are taken out and are supplied to amplifier 2B and are cancelled by amplifier 2B. Consequently, the input signal of signal source 1 can be amplified faithfully by using amplifier 2B which may have a small capacity of the power output and generates distortion a little.
JP4858079A 1979-04-19 1979-04-19 Distortion cancelling amplifying circuit Pending JPS55140307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4858079A JPS55140307A (en) 1979-04-19 1979-04-19 Distortion cancelling amplifying circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4858079A JPS55140307A (en) 1979-04-19 1979-04-19 Distortion cancelling amplifying circuit

Publications (1)

Publication Number Publication Date
JPS55140307A true JPS55140307A (en) 1980-11-01

Family

ID=12807328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4858079A Pending JPS55140307A (en) 1979-04-19 1979-04-19 Distortion cancelling amplifying circuit

Country Status (1)

Country Link
JP (1) JPS55140307A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559971A1 (en) * 1984-02-21 1985-08-23 Thomson Csf Compensated amplifier device for electrical signals.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559971A1 (en) * 1984-02-21 1985-08-23 Thomson Csf Compensated amplifier device for electrical signals.

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