JPS52113144A - Output amplifier - Google Patents

Output amplifier

Info

Publication number
JPS52113144A
JPS52113144A JP2924476A JP2924476A JPS52113144A JP S52113144 A JPS52113144 A JP S52113144A JP 2924476 A JP2924476 A JP 2924476A JP 2924476 A JP2924476 A JP 2924476A JP S52113144 A JPS52113144 A JP S52113144A
Authority
JP
Japan
Prior art keywords
output amplifier
power supply
variation
idle current
keep
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
JP2924476A
Other languages
Japanese (ja)
Other versions
JPS5826684B2 (en
Inventor
Nobutaka Amada
Akinori Maeda
Toru Sanbe
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 JP51029244A priority Critical patent/JPS5826684B2/en
Priority to US05/778,087 priority patent/US4068187A/en
Priority to GB11404/77A priority patent/GB1579945A/en
Priority to DE2711912A priority patent/DE2711912C3/en
Priority to CA274,244A priority patent/CA1090433A/en
Publication of JPS52113144A publication Critical patent/JPS52113144A/en
Publication of JPS5826684B2 publication Critical patent/JPS5826684B2/en
Expired 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers

Landscapes

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

Abstract

PURPOSE:To keep the idle current constant against the variation due to the power supply voltage, by providing the current circuit compensating the change in the idle current due to power supply variation.
JP51029244A 1976-03-19 1976-03-19 output amplifier Expired JPS5826684B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP51029244A JPS5826684B2 (en) 1976-03-19 1976-03-19 output amplifier
US05/778,087 US4068187A (en) 1976-03-19 1977-03-16 Audio-frequency power amplifiers
GB11404/77A GB1579945A (en) 1976-03-19 1977-03-17 Audio-frequency power amplifiers
DE2711912A DE2711912C3 (en) 1976-03-19 1977-03-18 NF power amplifier
CA274,244A CA1090433A (en) 1976-03-19 1977-03-18 Audio-frequency power amplifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51029244A JPS5826684B2 (en) 1976-03-19 1976-03-19 output amplifier

Publications (2)

Publication Number Publication Date
JPS52113144A true JPS52113144A (en) 1977-09-22
JPS5826684B2 JPS5826684B2 (en) 1983-06-04

Family

ID=12270822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51029244A Expired JPS5826684B2 (en) 1976-03-19 1976-03-19 output amplifier

Country Status (1)

Country Link
JP (1) JPS5826684B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01169810U (en) * 1988-05-19 1989-11-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01169810U (en) * 1988-05-19 1989-11-30

Also Published As

Publication number Publication date
JPS5826684B2 (en) 1983-06-04

Similar Documents

Publication Publication Date Title
JPS5278052A (en) Switching regulator
JPS5290201A (en) Input circuit
JPS545399A (en) Power source circuit
JPS5287346A (en) Amplifying circuit
SU504191A1 (en) Power supply with adjustable output voltage
JPS52122451A (en) Oscillation circuit
JPS5324757A (en) Subtraction circuit
JPS51145209A (en) Amplifier
JPS53101250A (en) Transistor amplifier circuit
JPS53120235A (en) Sense amplifier
JPS5357955A (en) Reset method for flip flop circuit
JPS5318367A (en) Bias circuit
JPS5333346A (en) Controlling power supply circuit
JPS5350654A (en) Detecting circuit
JPS5296854A (en) Pulse width modulation amplifier
JPS538553A (en) Division circuit
JPS53128961A (en) Differential amplifier circuit
JPS5369561A (en) Level converting circuit
JPS5439509A (en) Dc current supplying circuit
JPS5271659A (en) Constant current parallel power suppling device
JPS52126744A (en) Power source stabilizing system
JPS544044A (en) Integrating circuit
JPS5354453A (en) Amplifier circuit
JPS5314319A (en) Power source circuit
JPS5342643A (en) Dog-leg function converter circuit