PWM control circuit

The utility model discloses a PWM control circuit, its characterized in that: including multivibrator, shaping circuit, voltage comparater, optical coupling isolation circuit, shown multivibrator output pulse signal to shaping circuit's input, shaping circuit's output be connected with vol...

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Hauptverfasser: WANG ZONGTAO, ZHANG CHANGFEI, WU JUNJUN, CHEN SONG, ZHANG XIANSHENG, LIU LIN, BIAN CHENGDENG, FENG ZICHUN, YU RUI
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creator WANG ZONGTAO
ZHANG CHANGFEI
WU JUNJUN
CHEN SONG
ZHANG XIANSHENG
LIU LIN
BIAN CHENGDENG
FENG ZICHUN
YU RUI
description The utility model discloses a PWM control circuit, its characterized in that: including multivibrator, shaping circuit, voltage comparater, optical coupling isolation circuit, shown multivibrator output pulse signal to shaping circuit's input, shaping circuit's output be connected with voltage comparater's an input, another input reference voltage signal of voltage comparater, voltage comparater through optical coupling isolation circuit output PWM signal. Adopt the utility model discloses technical scheme's PWM control circuit, its advantage is simple structure, and it is convenient to realize, and the PWM control signal of formation is reliable, possesses the insulation blocking, reduces and disturbs. 本实用新型公开种PWM控制电路,其特征在于:包括多谐振荡器、整形电路、电压比较器、光耦隔离电路,所示多谐振动器输出脉冲信号至整形电路的输入端,所述的整形电路的输出端与电压比较器的个输入端连接,电压比较器的另个输入端输入参考电压信号,所述的电压比较器经光耦隔离电路输出PWM信号。采用本实用新型技术方案的PWM控制电路,其优点为结构简单,实现方便,生成的PWM控制信号可靠,具备隔离保护,减少干扰。
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Adopt the utility model discloses technical scheme's PWM control circuit, its advantage is simple structure, and it is convenient to realize, and the PWM control signal of formation is reliable, possesses the insulation blocking, reduces and disturbs. 本实用新型公开种PWM控制电路,其特征在于:包括多谐振荡器、整形电路、电压比较器、光耦隔离电路,所示多谐振动器输出脉冲信号至整形电路的输入端,所述的整形电路的输出端与电压比较器的个输入端连接,电压比较器的另个输入端输入参考电压信号,所述的电压比较器经光耦隔离电路输出PWM信号。采用本实用新型技术方案的PWM控制电路,其优点为结构简单,实现方便,生成的PWM控制信号可靠,具备隔离保护,减少干扰。</description><language>chi ; eng</language><subject>BASIC ELECTRONIC CIRCUITRY ; ELECTRICITY ; PULSE TECHNIQUE</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20171027&amp;DB=EPODOC&amp;CC=CN&amp;NR=206595973U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20171027&amp;DB=EPODOC&amp;CC=CN&amp;NR=206595973U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG ZONGTAO</creatorcontrib><creatorcontrib>ZHANG CHANGFEI</creatorcontrib><creatorcontrib>WU JUNJUN</creatorcontrib><creatorcontrib>CHEN SONG</creatorcontrib><creatorcontrib>ZHANG XIANSHENG</creatorcontrib><creatorcontrib>LIU LIN</creatorcontrib><creatorcontrib>BIAN CHENGDENG</creatorcontrib><creatorcontrib>FENG ZICHUN</creatorcontrib><creatorcontrib>YU RUI</creatorcontrib><title>PWM control circuit</title><description>The utility model discloses a PWM control circuit, its characterized in that: including multivibrator, shaping circuit, voltage comparater, optical coupling isolation circuit, shown multivibrator output pulse signal to shaping circuit's input, shaping circuit's output be connected with voltage comparater's an input, another input reference voltage signal of voltage comparater, voltage comparater through optical coupling isolation circuit output PWM signal. 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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
title PWM control circuit
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