KR920008570A - Audio Amplifier Power Circuit - Google Patents

Audio Amplifier Power Circuit Download PDF

Info

Publication number
KR920008570A
KR920008570A KR1019900017135A KR900017135A KR920008570A KR 920008570 A KR920008570 A KR 920008570A KR 1019900017135 A KR1019900017135 A KR 1019900017135A KR 900017135 A KR900017135 A KR 900017135A KR 920008570 A KR920008570 A KR 920008570A
Authority
KR
South Korea
Prior art keywords
constant voltage
audio amplifier
power
low pass
filter unit
Prior art date
Application number
KR1019900017135A
Other languages
Korean (ko)
Other versions
KR930005216B1 (en
Inventor
백동철
Original Assignee
강진구
삼성전자 주식회사
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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019900017135A priority Critical patent/KR930005216B1/en
Publication of KR920008570A publication Critical patent/KR920008570A/en
Application granted granted Critical
Publication of KR930005216B1 publication Critical patent/KR930005216B1/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)

Abstract

내용 없음.No content.

Description

오디오 증폭기의 전원회로Audio Amplifier Power Circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 종래의 회로도.1 is a conventional circuit diagram.

제2도는 본 고안에 따른 오디오 증폭기의 전원회로도.2 is a power circuit diagram of an audio amplifier according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1, 7, 11 : 트랜지스터 4, 14 : 제너다이오드1, 7, 11: transistor 4, 14 zener diode

6 : 오디오증폭기6: Audio Amplifier

Claims (2)

트랜스포머로부터 인가되는 교류전원을 입력으로하여 소정의 정전압을 발생시켜 오디오 증폭기의 전원단자에 공급하기 위한 제1전원발생부를 구비한 오디오 증폭기의 전원회로에 있어서 ; 상기 제1전원발생부에서 출력되는 정전압에 포함된 고주파노이즈를 필터링하여 안정된 전원을 상기의 오디오 증폭기에 공급하기 위한 리플필터부와 ; 상기의 제1전원발생부에서 출력되는 정전압을 입력으로 하여 소정레벨의 정전압을 발생시키기 위한 제2전원발생부로 구성시켜서 됨을 특징으로 하는 오디오 증폭기의 전원회로.A power supply circuit of an audio amplifier having a first power generation section for generating a predetermined constant voltage and supplying a predetermined constant voltage to an AC power source applied from a transformer; A ripple filter unit for supplying stable power to the audio amplifier by filtering high frequency noise included in the constant voltage output from the first power generator; And a second power generator for generating a constant voltage of a predetermined level by inputting the constant voltage output from the first power generator. 제1항에 있어서 상기의 리플필터부는 입력되는 정전압신호의 저역성분만을 통과시키기 위한 저항 및 큰용량의 콘덴서로 구성되는 저역필터와, 저역필터를 통과한 신호에 의해 동작하여 저역특성을 갖는 전압을 출력시키기 위한 트랜지스터 및 트랜지스터에서 출력된 전압에 포함된 고주파노이즈를 제거하기 위한 적은 용량의 콘덴서를 포함함을 특징으로 하는 오디오 증폭기의 전원회로.The low ripple filter unit of claim 1, wherein the ripple filter unit operates by a signal passing through the low pass filter and a low pass filter composed of a capacitor having a large capacity and a resistor for passing only the low pass component of the input constant voltage signal. A power supply circuit for an audio amplifier, comprising a transistor for outputting and a capacitor having a small capacity for removing high frequency noise included in a voltage output from the transistor. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900017135A 1990-10-25 1990-10-25 Power supply of audio amplifier KR930005216B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900017135A KR930005216B1 (en) 1990-10-25 1990-10-25 Power supply of audio amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900017135A KR930005216B1 (en) 1990-10-25 1990-10-25 Power supply of audio amplifier

Publications (2)

Publication Number Publication Date
KR920008570A true KR920008570A (en) 1992-05-28
KR930005216B1 KR930005216B1 (en) 1993-06-16

Family

ID=19305169

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900017135A KR930005216B1 (en) 1990-10-25 1990-10-25 Power supply of audio amplifier

Country Status (1)

Country Link
KR (1) KR930005216B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190136848A (en) 2018-05-31 2019-12-10 주식회사 코팅코리아 Socket pipe, pipe with the same, pipe connection structure using the same
KR20190138217A (en) 2018-06-04 2019-12-12 주식회사 코팅코리아 Metal pipe with socket and pipe connection structure using the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150054222A (en) 2013-11-11 2015-05-20 삼성전자주식회사 A device and method fot supplying the power

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190136848A (en) 2018-05-31 2019-12-10 주식회사 코팅코리아 Socket pipe, pipe with the same, pipe connection structure using the same
KR20190138217A (en) 2018-06-04 2019-12-12 주식회사 코팅코리아 Metal pipe with socket and pipe connection structure using the same

Also Published As

Publication number Publication date
KR930005216B1 (en) 1993-06-16

Similar Documents

Publication Publication Date Title
KR910019048A (en) Semiconductor integrated circuit device
KR970051145A (en) Potential generator
KR920020854A (en) Back bias generation circuit
KR920003612A (en) Electronics
KR890012185A (en) Light receiving high voltage generator circuit
KR910010832A (en) amplifier
KR920018758A (en) Integrated semiconductor circuit
KR910019310A (en) Reference voltage generator
KR920008570A (en) Audio Amplifier Power Circuit
KR920022711A (en) High voltage generator
KR860000747A (en) Sine wave ring generator
KR920021367A (en) Power supply units for electric trains
KR850002711A (en) Complex capacitive impedance
KR930003770A (en) Signal generator
KR830006995A (en) Third harmonic signal generation electron filter
KR910013685A (en) 90 ° phase splitter
KR840005942A (en) Current sensing circuit
KR920013794A (en) EL element driving circuit
KR910007245A (en) Circuit for electronic level control of audio signal
KR920015728A (en) Voltage level detection circuit
KR950021496A (en) Voltage Generator Using Multistage Pump Circuit
KR980006830A (en) Filter circuit of a single power source
KR960016391A (en) Flyback transformer
KR910005624A (en) Test call signal generation circuit in electronic switching system
KR950015753A (en) Input buffer circuit of semiconductor integrated circuit and signal input stabilization method of input buffer

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19980327

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee