KR940004957A - Pulse Width Modulation Generator - Google Patents

Pulse Width Modulation Generator Download PDF

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Publication number
KR940004957A
KR940004957A KR1019920014059A KR920014059A KR940004957A KR 940004957 A KR940004957 A KR 940004957A KR 1019920014059 A KR1019920014059 A KR 1019920014059A KR 920014059 A KR920014059 A KR 920014059A KR 940004957 A KR940004957 A KR 940004957A
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KR
South Korea
Prior art keywords
counter
pulse width
signal
width modulation
output
Prior art date
Application number
KR1019920014059A
Other languages
Korean (ko)
Inventor
오인환
Original Assignee
윤종룡
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 윤종룡, 삼성전자 주식회사 filed Critical 윤종룡
Priority to KR1019920014059A priority Critical patent/KR940004957A/en
Publication of KR940004957A publication Critical patent/KR940004957A/en

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Abstract

본 발명은 카운터와 비교기를 이용하여 펄스폭 변조신호를 출력하는 펄스폭변조 발생장치에 관한 것으로써, 마이크로프로세서와, 삼각파신호(b)의 디지탈 값을 출력하는 카운터와,상기 마이크로프로세서로부터 출력되는 디지탈 신호(a)를 입력받음과 동시에 상기 카운터로부터 출력되는 삼각파 신호(b)의 디지칼 값을 각각 입력받아 이들을 비교해서 펄스폭 변조신호(C)를 출력하는 비교기로 이루어진 것을 특징으로 한다.The present invention relates to a pulse width modulation generator for outputting a pulse width modulated signal using a counter and a comparator, comprising: a microprocessor, a counter for outputting a digital value of a triangular wave signal (b), and a microprocessor And a digital value of the triangular wave signal (b) output from the counter and receiving the digital signal (a) and comparing them, and outputting a pulse width modulation signal (C).

Description

필스폭변조 발생장치Pills width modulation generator

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

제2도는 본 발명의 일실시예에 의한 펄스폭변조 발생장치의 개략적인 블록도.2 is a schematic block diagram of a pulse width modulation generator according to an embodiment of the present invention.

Claims (2)

마이크로프로세서와, 삼각파 신호(b)의 디지탈 값을 출력하는 카운터와, 상기 마이크로프로세서로부터 출력되는 디지탈 신호(a)를 입력받음과 동시에 상기 카운터로부터 출력되는 삼각파 신호(b)의 디지탈 값을 각각 입력받아 이들을 비교해서 펄스폭 변조신호(C)를 출력하는 비교기로 이루어진 것을 특징으로 하는 펄스폭변조 발생장치.A microprocessor, a counter for outputting the digital value of the triangular wave signal (b), and a digital value of the triangular wave signal (b) output from the counter at the same time as receiving the digital signal (a) output from the microprocessor, respectively, are inputted. A pulse width modulation generator comprising: a comparator for receiving and comparing them to output a pulse width modulation signal (C). 제1항에 있어서, 상기 카운터는 출력단자(C/B)가 업/다운(U/D)단자에 접속되어 있고, 그 출력신호는 업카운터와 다운 카운터로 계속해서 변화시켜서 아날로그 방식에서의 삼각파 신호와 동일한 디지탈 값으로 변환된 삼각파 신호인 것을 특징으로 하는 펄스폭변조 발생장치.2. The counter according to claim 1, wherein the counter has an output terminal (C / B) connected to an up / down (U / D) terminal, and its output signal is continuously changed to an up counter and a down counter so that an analog triangle wave is generated. Pulse width modulation generator characterized in that the triangular wave signal converted to the same digital value as the signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920014059A 1992-08-05 1992-08-05 Pulse Width Modulation Generator KR940004957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920014059A KR940004957A (en) 1992-08-05 1992-08-05 Pulse Width Modulation Generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920014059A KR940004957A (en) 1992-08-05 1992-08-05 Pulse Width Modulation Generator

Publications (1)

Publication Number Publication Date
KR940004957A true KR940004957A (en) 1994-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920014059A KR940004957A (en) 1992-08-05 1992-08-05 Pulse Width Modulation Generator

Country Status (1)

Country Link
KR (1) KR940004957A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040017032A (en) * 2002-08-20 2004-02-26 주식회사 엘리아테크 Circuit for driving pulse width modulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040017032A (en) * 2002-08-20 2004-02-26 주식회사 엘리아테크 Circuit for driving pulse width modulation

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