JPS56723A - Characteristic improving unit for amplifier - Google Patents

Characteristic improving unit for amplifier

Info

Publication number
JPS56723A
JPS56723A JP7587779A JP7587779A JPS56723A JP S56723 A JPS56723 A JP S56723A JP 7587779 A JP7587779 A JP 7587779A JP 7587779 A JP7587779 A JP 7587779A JP S56723 A JPS56723 A JP S56723A
Authority
JP
Japan
Prior art keywords
amplifier
signal
output
error
hyb
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
JP7587779A
Other languages
Japanese (ja)
Inventor
Yukihiro Muraoka
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7587779A priority Critical patent/JPS56723A/en
Publication of JPS56723A publication Critical patent/JPS56723A/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 enable good transient performance, high gain and constant input and output impedance and output noise, by providing the attenuator, differential amplifier and output amplifier. CONSTITUTION:The attenuator ATT1, differential amplifier DA1, and output synthesizer HYB are provided. The output signal B of the main amplifier A1 is attenuated ATT1 into the same level as the signal A to be the signal C, and DA1 compares and amplifies the differential component between the signals A and C, that is, error (or distortion) signal. In this case, when the level of the error signal output E of the amplifier DA1 is taken as the same level as the distortion (error to input signal) produced at the amplifier A1 and opposite phase, the final output signal F of the output terminal 2 at synthesis HYB is similar to the input signal. Further, as the amplifier DA1, in case of transistors, in comparison with the amplifirer A1, the one shorter in carrier storage time and higher in cut-off frequency can be used.
JP7587779A 1979-06-15 1979-06-15 Characteristic improving unit for amplifier Pending JPS56723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7587779A JPS56723A (en) 1979-06-15 1979-06-15 Characteristic improving unit for amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7587779A JPS56723A (en) 1979-06-15 1979-06-15 Characteristic improving unit for amplifier

Publications (1)

Publication Number Publication Date
JPS56723A true JPS56723A (en) 1981-01-07

Family

ID=13588939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7587779A Pending JPS56723A (en) 1979-06-15 1979-06-15 Characteristic improving unit for amplifier

Country Status (1)

Country Link
JP (1) JPS56723A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59217119A (en) * 1983-05-26 1984-12-07 Nissei Plastics Ind Co Monitoring method of injection molding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59217119A (en) * 1983-05-26 1984-12-07 Nissei Plastics Ind Co Monitoring method of injection molding machine

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