KR870006710A - Three phase sine wave generator - Google Patents

Three phase sine wave generator Download PDF

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Publication number
KR870006710A
KR870006710A KR1019860000296A KR860000296A KR870006710A KR 870006710 A KR870006710 A KR 870006710A KR 1019860000296 A KR1019860000296 A KR 1019860000296A KR 860000296 A KR860000296 A KR 860000296A KR 870006710 A KR870006710 A KR 870006710A
Authority
KR
South Korea
Prior art keywords
sine wave
bit
resistor
input
converter
Prior art date
Application number
KR1019860000296A
Other languages
Korean (ko)
Other versions
KR880001796B1 (en
Inventor
윤척
Original Assignee
대우중공업 주식회사
이경훈
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 대우중공업 주식회사, 이경훈 filed Critical 대우중공업 주식회사
Priority to KR1019860000296A priority Critical patent/KR880001796B1/en
Publication of KR870006710A publication Critical patent/KR870006710A/en
Application granted granted Critical
Publication of KR880001796B1 publication Critical patent/KR880001796B1/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Ac-Ac Conversion (AREA)
  • Control Of Ac Motors In General (AREA)
  • Inverter Devices (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

내용 없음.No content.

Description

삼상 정현파 발생회로Three phase sine wave generator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 회로도.1 is a circuit diagram of the present invention.

제2도는 종래의 회로도.2 is a conventional circuit diagram.

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

1 : 8비트 2진화 카운터 2：프로그램 룸1: 8-bit Binarization Counter 2: Program Room

3a-e : 8비트 디지털-아날로그 컨버터3a-e: 8-bit digital-to-analog converter

4a-b : 기능회로 5：제어회로4a-b: Function circuit 5: Control circuit

A1-A3: 연산증폭기 Vout 1-3 : 정현파 출력단자A 1 -A 3 : Op Amp Vout 1-3: Sine wave output terminal

Claims (1)

도시한 바와 같이, 클럭주파수(fc)단에 8비트 2진화 카운터(1)와 프로그램 롬(2) 및 진폭(Vm)이 합성된 8비트 D/A 컨버터(3a)와 저항(R1) 및 콘덴서(C1)로 구성된 필터회로를 연결하되, 그 일단은 cosθ가 입력된 8비트 D/A 컨버터(3b)와 저항(R2)을 연결하고, 그 타단은 기능회로(4a)와 sinθ가 입력된 8비트 D/A 컨버터(3c) 및 저항(R3)을 연결하여 연산증폭기(A1)의 플러스 입력에 연결하며, 그 출력은 정현파 출력단자(Vout1)에 연결되어 출력되고, 그 일단은 기능회로(4b)와가 입력된 8비트 D/A 컨버터(3e) 및 저항(R5)을 연결하되, 그 타단은가 입력된 8비트 D/A 컨버터(3d)와 저항(R4)을 연결하여 연산증폭기(A2)의 플러스 입력단자에 연결하고, 그 출력은 정현파 출력단자(Vout 2)에 연결되며, 정현파 출력단자(Vout 1)(Vout 2)는 저항(R6)(R7)을 연결하여 연산증폭기(A3)의 마이너스 입력단자에 연결하고, 그 출력은 정현파 출력단자(Vout 3)에 연결하여 된 삼상정현파 발생회로.As shown, an 8-bit D / A converter 3a, a resistor R 1 and a combination of an 8-bit binarization counter 1, a program ROM 2, and an amplitude Vm at a clock frequency fc stage. Connect a filter circuit composed of a condenser (C 1 ), one end of which connects the 8-bit D / A converter (3b) to which cosθ is input and the resistor (R 2 ), and the other end of which the function circuit (4a) and sinθ The input 8-bit D / A converter 3c and a resistor R 3 are connected to the plus input of the operational amplifier A 1 , and the output thereof is connected to the sine wave output terminal Vout1 and output. Silver function circuit 4b and Input 8-bit D / A converter (3e) and resistor (R 5 ) Is connected to the 8-bit D / A converter (3d) and the resistor (R 4 ) is input to the positive input terminal of the operational amplifier (A 2 ), the output is connected to the sine wave output terminal (Vout 2), the sine wave Output terminals (Vout 1) (Vout 2) are connected to the negative input terminal of the operational amplifier (A 3 ) by connecting a resistor (R 6 ) (R 7 ), the output is connected to the sine wave output terminal (Vout 3) Three-phase sine wave generator circuit. ※ 참고사항：최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860000296A 1986-01-18 1986-01-18 Threephase sine wave generator KR880001796B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860000296A KR880001796B1 (en) 1986-01-18 1986-01-18 Threephase sine wave generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860000296A KR880001796B1 (en) 1986-01-18 1986-01-18 Threephase sine wave generator

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR2019850018232 Division 1985-12-30

Publications (2)

Publication Number Publication Date
KR870006710A true KR870006710A (en) 1987-07-14
KR880001796B1 KR880001796B1 (en) 1988-09-17

Family

ID=26627570

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860000296A KR880001796B1 (en) 1986-01-18 1986-01-18 Threephase sine wave generator

Country Status (1)

Country Link
KR (1) KR880001796B1 (en)

Also Published As

Publication number Publication date
KR880001796B1 (en) 1988-09-17

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