JPS538550A - Power amplifier circuit of pulse duration modulation system - Google Patents

Power amplifier circuit of pulse duration modulation system

Info

Publication number
JPS538550A
JPS538550A JP8254676A JP8254676A JPS538550A JP S538550 A JPS538550 A JP S538550A JP 8254676 A JP8254676 A JP 8254676A JP 8254676 A JP8254676 A JP 8254676A JP S538550 A JPS538550 A JP S538550A
Authority
JP
Japan
Prior art keywords
pulse duration
power amplifier
amplifier circuit
modulation system
duration modulation
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
JP8254676A
Other languages
Japanese (ja)
Other versions
JPS5826683B2 (en
Inventor
Hiroyasu Minagawa
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP51082546A priority Critical patent/JPS5826683B2/en
Publication of JPS538550A publication Critical patent/JPS538550A/en
Publication of JPS5826683B2 publication Critical patent/JPS5826683B2/en
Expired 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
    • H03F3/217—Class D power amplifiers; Switching amplifiers

Landscapes

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

Abstract

PURPOSE:To increase the noise property as well as the power utilization efficiency at the non-signal time by flowing no current to the load by drawing out an output through switching of the modulation only against the basic pulse of the pulse duration modulation wave.
JP51082546A 1976-07-13 1976-07-13 Power amplifier circuit using pulse width modulation method Expired JPS5826683B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51082546A JPS5826683B2 (en) 1976-07-13 1976-07-13 Power amplifier circuit using pulse width modulation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51082546A JPS5826683B2 (en) 1976-07-13 1976-07-13 Power amplifier circuit using pulse width modulation method

Publications (2)

Publication Number Publication Date
JPS538550A true JPS538550A (en) 1978-01-26
JPS5826683B2 JPS5826683B2 (en) 1983-06-04

Family

ID=13777491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51082546A Expired JPS5826683B2 (en) 1976-07-13 1976-07-13 Power amplifier circuit using pulse width modulation method

Country Status (1)

Country Link
JP (1) JPS5826683B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003051724A (en) * 2001-08-08 2003-02-21 Sony Corp Digital power amplifier and digital/analog converter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112758A (en) * 1974-07-23 1976-01-31 Victor Company Of Japan

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112758A (en) * 1974-07-23 1976-01-31 Victor Company Of Japan

Also Published As

Publication number Publication date
JPS5826683B2 (en) 1983-06-04

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