JPS567504A - Amplifier - Google Patents

Amplifier

Info

Publication number
JPS567504A
JPS567504A JP8297079A JP8297079A JPS567504A JP S567504 A JPS567504 A JP S567504A JP 8297079 A JP8297079 A JP 8297079A JP 8297079 A JP8297079 A JP 8297079A JP S567504 A JPS567504 A JP S567504A
Authority
JP
Japan
Prior art keywords
amplifier
voltage
signal
supply voltage
state
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
JP8297079A
Other languages
Japanese (ja)
Inventor
Katsuhiko Higashiyama
Shinya Sano
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 JP8297079A priority Critical patent/JPS567504A/en
Publication of JPS567504A publication Critical patent/JPS567504A/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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply

Landscapes

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

Abstract

PURPOSE:To increase the efficiency of the amplifier by increasing the power supply voltage, through the drive of the charge stored in the capacitor connected between the diode and the amplifier when the input signal is greater. CONSTITUTION:When a voltage Vo or more is fed to the signal input terminal 16 of the amplifier 2, the driving means 10 changes the state of the transistor 13 from the saturation to the active state and further to the cutoff state in accordance with the amplitude of the signal voltage. The potential of the capacitor 7 connected to the transistors 12 and 13 is increased with the signal voltage resulting that the amplifier supply voltage is increased almost near the twice of the maximum power supply voltage V.
JP8297079A 1979-06-29 1979-06-29 Amplifier Pending JPS567504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8297079A JPS567504A (en) 1979-06-29 1979-06-29 Amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8297079A JPS567504A (en) 1979-06-29 1979-06-29 Amplifier

Publications (1)

Publication Number Publication Date
JPS567504A true JPS567504A (en) 1981-01-26

Family

ID=13789069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8297079A Pending JPS567504A (en) 1979-06-29 1979-06-29 Amplifier

Country Status (1)

Country Link
JP (1) JPS567504A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5795706A (en) * 1980-12-06 1982-06-14 Pioneer Electronic Corp Power supply circuit for power amplifier
JP2010183363A (en) * 2009-02-05 2010-08-19 Seiko Epson Corp Charging and discharging circuit of capacitive load
EP2056451A3 (en) * 2007-10-16 2011-11-30 THX Ltd Efficient power amplifier
US8128304B2 (en) 2006-03-09 2012-03-06 The Pilot Ink Co., Ltd. Direct-fluid-supply writing implement
JP2016510200A (en) * 2013-03-12 2016-04-04 ティ エイチ エックス リミテッド Tracking amplifier with increased boost capability
US9414152B2 (en) 2006-10-16 2016-08-09 Thx Ltd. Audio and power signal distribution for loudspeakers

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5795706A (en) * 1980-12-06 1982-06-14 Pioneer Electronic Corp Power supply circuit for power amplifier
US8128304B2 (en) 2006-03-09 2012-03-06 The Pilot Ink Co., Ltd. Direct-fluid-supply writing implement
US9414152B2 (en) 2006-10-16 2016-08-09 Thx Ltd. Audio and power signal distribution for loudspeakers
EP2056451A3 (en) * 2007-10-16 2011-11-30 THX Ltd Efficient power amplifier
US8138837B2 (en) 2007-10-16 2012-03-20 Thx, Ltd Efficient power amplifier
US8723605B2 (en) 2007-10-16 2014-05-13 Thx Ltd Efficient power amplifier
JP2010183363A (en) * 2009-02-05 2010-08-19 Seiko Epson Corp Charging and discharging circuit of capacitive load
JP2016510200A (en) * 2013-03-12 2016-04-04 ティ エイチ エックス リミテッド Tracking amplifier with increased boost capability
US9484860B2 (en) 2013-03-12 2016-11-01 Thx Ltd. Tracking power supply with increased boost capability

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