JPS5325340A - Audio amplifier - Google Patents

Audio amplifier

Info

Publication number
JPS5325340A
JPS5325340A JP9970276A JP9970276A JPS5325340A JP S5325340 A JPS5325340 A JP S5325340A JP 9970276 A JP9970276 A JP 9970276A JP 9970276 A JP9970276 A JP 9970276A JP S5325340 A JPS5325340 A JP S5325340A
Authority
JP
Japan
Prior art keywords
audio amplifier
distortion
extend
carrying
reduce
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
JP9970276A
Other languages
Japanese (ja)
Inventor
Fujio Machida
Kazuya Takahashi
Toshio Tanizoe
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9970276A priority Critical patent/JPS5325340A/en
Publication of JPS5325340A publication Critical patent/JPS5325340A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only

Landscapes

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

Abstract

PURPOSE:To reduce the distortion at the low voltage operation time and to extend the range for the using line voltage by carrying out a quick charging for the condenser composing a bootstrap circuit.
JP9970276A 1976-08-23 1976-08-23 Audio amplifier Pending JPS5325340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9970276A JPS5325340A (en) 1976-08-23 1976-08-23 Audio amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9970276A JPS5325340A (en) 1976-08-23 1976-08-23 Audio amplifier

Publications (1)

Publication Number Publication Date
JPS5325340A true JPS5325340A (en) 1978-03-09

Family

ID=14254380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9970276A Pending JPS5325340A (en) 1976-08-23 1976-08-23 Audio amplifier

Country Status (1)

Country Link
JP (1) JPS5325340A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61113307A (en) * 1984-11-08 1986-05-31 Matsushita Electric Ind Co Ltd Bootstrap circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61113307A (en) * 1984-11-08 1986-05-31 Matsushita Electric Ind Co Ltd Bootstrap circuit

Similar Documents

Publication Publication Date Title
JPS51121239A (en) An amplification circuit
JPS5278052A (en) Switching regulator
JPS52153651A (en) Gain changing circuit
JPS51132068A (en) Inversional amplification circuit
JPS5233453A (en) High frequency high output transistor amplifier
JPS5325340A (en) Audio amplifier
JPS5339811A (en) High frequency amplifier circuit
JPS52149496A (en) Display device
JPS5216651A (en) Correction circuit for input voltage
JPS5276867A (en) Signal holding circuit
JPS51120659A (en) Dc amplifier circuit
JPS5217752A (en) One end earthing type btl amplifier circuit
JPS5245244A (en) Push-pull amplifier circuit
JPS5425781A (en) Light receiving apparatus
JPS538551A (en) Negative feedback amplifier
CA1029819A (en) Audio amplifier for integrated circuit fabrication having controlled idling current
JPS5427761A (en) Bias circuit of transistor amplifier
JPS52139347A (en) Push-pull output circuit
JPS5232534A (en) Invertor output control device
JPS5292457A (en) Amplifier
JPS51121236A (en) A transistor amplifying circuit
JPS51111036A (en) Transistor circuit
JPS53142810A (en) Selection unit for amplifier
JPS538548A (en) Current amplifier circuit
JPS53126247A (en) Btl amplifier circuit