{"id":15757,"date":"2021-12-02T17:34:23","date_gmt":"2021-12-02T09:34:23","guid":{"rendered":"https:\/\/pcblithuania.com\/?p=15757"},"modified":"2022-02-07T10:05:28","modified_gmt":"2022-02-07T02:05:28","slug":"555-impulsu-generatorius-pagrindai-ir-programos","status":"publish","type":"post","link":"https:\/\/pcblithuania.com\/555-impulsu-generatorius-pagrindai-ir-programos.html","title":{"rendered":"555 impuls\u0173 generatorius: pagrindai ir programos"},"content":{"rendered":"\n<p>Norite pagaminti teigiamus impulsus savo pagrindinei elektronikos grandinei? Ie\u0161kokite tik 555 impuls\u0173 generatoriaus.<\/p>\n\n\n\n<p>Ta\u010diau kaip veikia \u0161is reguliuojamas impuls\u0173 generatorius? Ketiname visk\u0105 ai\u0161kiai paai\u0161kinti. Taip pat ap\u017evelgsime elektroninius komponentus, kuriems reikia naudoti integrin\u012f grandyn\u0105.&nbsp;<\/p>\n\n\n\n<p>Prad\u0117kime!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kas yra 555 impuls\u0173 generatorius?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/yxwgVfvq3zkxD-5utwvypM3QEoPaCcbxTM5Mk4hedGzQ705gjjn5kYfoavak0T6H8ZVY1656edbZrQvbaHtTMLb-w_UO80tVT8xqp7rxsgPKpUIQLNLbFf5LqtNPNxcaaz91ZdMo\" alt=\"Signal\u0173 generatorius\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Signal\u0173 generatorius<\/p>\n\n\n\n<p>Impuls\u0173 generatorius yra integrinis grandynas, galintis gaminti impulsus; jis paplit\u0119s laikma\u010di\u0173 grandin\u0117se, impuls\u0173 generatoriuose ir osciliatoriuose.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kaip pagaminti 555 impuls\u0173 generatoriaus modul\u012f?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/fpZJYbjYa8xMo1hRE7sY8j6yUMg8vmqtPEaCAmXx7xyCsBjjNdb75xq9pzy4AfADzfp6bvOLH1QsT8Y6hJoXOfKzcKgFOcCVTA1hPErA3nFYB2e7yAhcSAgqfe5Lye4QL3CSegci\" alt=\"Senas \u017ealias analoginio osciloskopo ekranas su impuls\u0173 vaizdu.\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Senas \u017ealias analoginio osciloskopo ekranas su impuls\u0173 vaizdu.<\/p>\n\n\n\n<p>Surenkant \u0161\u012f impuls\u0173 generatori\u0173, pagrindinis komponentas yra 555 laikma\u010dio integrinis grandynas. \u0160is integrinis grandynas yra astabilusis multivibratorius. Atkreipkite d\u0117mes\u012f, kad impuls\u0173 generatorius gali sukurti nuo 4 Hz iki 1,3 KHz i\u0161\u0117jimo impuls\u0105.&nbsp;<\/p>\n\n\n\n<p>Generatorius gamina teigiamus impulsus. Taigi, j\u012f galite naudoti elektroniniame projekte, kuriam reikalingi teigiami virpesiai.&nbsp;<\/p>\n\n\n\n<p>Be to, surinkimo metu jums reik\u0117s \u0161viesos diodo prie integrinio grandyno i\u0161\u0117jimo. Jis naudingas vizualiai nurodant sistemos i\u0161\u0117jimo impuls\u0105.&nbsp;<\/p>\n\n\n\n<p>Potenciometras padeda valdyti sistemos i\u0161\u0117jimo da\u017en\u012f. Ideali \u0161ios sistemos grandin\u0117s \u012ftampa yra nuo 5 V iki 15 V. Be to, grandin\u0117 veikia su nuolatin\u0117s srov\u0117s maitinimo \u0161altiniu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Grandin\u0117s komponent\u0173 s\u0105ra\u0161as<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/aJFRhSwbtWEbg4_qVZuWm3qRndEn_w8s4VcWCOWPttRuCBC_ExNTmpbEUqQUTHLa7K9Le7tr15gyUixPIFuB_XxS0n3Fz-mv9t4h2Aysk1PpuBKjZohs1bba7MQTJZQCgmmzs0Qh\" alt=\"Elektronin\u0117s integrin\u0117s grandin\u0117s lustas\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Elektronin\u0117s integrin\u0117s grandin\u0117s lustas<\/p>\n\n\n\n<p>A<\/p>\n\n\n\n<p>555 laikma\u010dio integrinis grandynas<\/p>\n\n\n\n<p>10 \u03bcF <a href=\"https:\/\/en.wikipedia.org\/wiki\/Capacitor\">kondensatorius<\/a>\u00a0<\/p>\n\n\n\n<p>1 k\u03a9 rezistorius<\/p>\n\n\n\n<p>10 k\u03a9 potenciometras<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Grandin\u0117s schema<\/strong><\/h3>\n\n\n\n<p>Toliau pateikiama impuls\u0173 generatoriaus IC 555 schema<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/ep12SuIdMxJjQM4dtqq0bkqJzMPWZ6sgoHw03C9Y5sYZ8yOwGVnADdd_VFVgpjKttHdrOKi_epwoztevnyEFdkl7QUAbOEBllLZE5musvlAL5e4-HU7neVFTFwd-kpWxWBWWwN27\" alt=\"555 impuls\u0173 generatoriaus schema\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">555 impuls\u0173 generatoriaus schema<\/p>\n\n\n\n<p>Prijunkite pirmiau nurodytus komponentus, kaip parodyta grandin\u0117s schemoje.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Kaip veikia grandin\u0117<\/strong><\/h3>\n\n\n\n<p>Sujung\u0119 2 ir 6 kai\u0161\u010dius, nustatote laikmat\u012f \u012f astabiliojo <a href=\"https:\/\/en.wikipedia.org\/wiki\/555_timer_IC#Astable\">re\u017eimo re\u017eim\u0105<\/a>.<\/p>\n\n\n\n<p>Astable re\u017eimas lemia du pagrindinius rezultatus. Pirma, b\u016bsena skatina laikma\u010dio pakartotin\u012f \u012fjungim\u0105. Tod\u0117l bus generuojamas impuls\u0173 srautas. \u0160iuo atveju virpesiai yra PWM signalai. Ir laikmatis juos generuos tol, kol bus prijungtas prie \u012f\u0117jimo \u012ftampos.&nbsp;<\/p>\n\n\n\n<p>Be to, atkreipkite d\u0117mes\u012f, kad 3 kai\u0161tis veikia kaip i\u0161vesties kai\u0161tis. Tod\u0117l, kei\u010diant var\u017e\u0173 ir talp\u0173 vert\u0119, keisis i\u0161\u0117jimo impuls\u0173 da\u017enis. Taip pat keisis kvadratin\u0117s bangos i\u0161 i\u0161\u0117jimo kai\u0161\u010dio darbo ciklas.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/wG5mGnu6csqiWBNwVGy9kI1ceaWRTTYaYApghwFMIttlLl-I9dfXCd0iywstRtJ9Yg3r6d-FX0bB5sQrzvCyz0M_pywfr6cS5msxTT15r0ZqvW0bOuoxPgDdfZo1QFCe2OfxV_QP\" alt=\"555 i\u0161vad\u0173 schema\u00a0\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">555 i\u0161vad\u0173 schema&nbsp;<\/p>\n\n\n\n<p>\u0160altinis: Wikimedia Commons \u0161altinis<\/p>\n\n\n\n<p>Atkreipkite d\u0117mes\u012f, kad \u0161ioje grandin\u0117je kondensatorius \u012fkraunamas ir i\u0161kraunamas kiekvieno ciklo metu. Kai kondensatorius \u012fkraunamas, jis \u012fjungiamas. Kita vertus, kai kondensatorius i\u0161kraunamas, atsiranda OFF laikas.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Atkreipkite d\u0117mes\u012f, kad galima apskai\u010diuoti grandin\u0117s i\u0161\u0117jimo da\u017en\u012f ir darbo cikl\u0105. \u0160iam skai\u010diavimui svarbiausios reik\u0161m\u0117s yra \u0161ios:&nbsp;<\/p>\n\n\n\n<p>Rx= 1k\u03a9&nbsp;<\/p>\n\n\n\n<p>Ry= 10k\u03a9<\/p>\n\n\n\n<p>Pirmiausia apskai\u010diuosime t1 vert\u0119. Tai yra laikma\u010dio vert\u0117, kai kondensatoriaus \u012fkrovos re\u017eimas yra \u012fjungtas.&nbsp;<\/p>\n\n\n\n<p>T1 vert\u0117s grandin\u0117s lygtis = 0,693 * (Rx + Ry) * C<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><em>Pakeit\u0119 vertes, lygtyje gauname 76,23 milisekund\u0117s.&nbsp;<\/em><\/strong><\/h4>\n\n\n\n<p>Toliau apskai\u010diuosime t2 vert\u0119. Tai laikma\u010dio vert\u0117, kai kondensatoriaus elektros kr\u016bvis yra i\u0161jungimo re\u017eime.&nbsp;<\/p>\n\n\n\n<p>Lygtis t2 reik\u0161mei = 0,693 * Ry * C<\/p>\n\n\n\n<p>Pakeitus vertes, lygties sprendinys yra 69,3 milisekund\u0117s.&nbsp;<\/p>\n\n\n\n<p>Toliau, naudodami abu sprendinius, galime apskai\u010diuoti laikma\u010dio periodin\u012f (T) arba impuls\u0173 period\u0105.&nbsp;<\/p>\n\n\n\n<p>T= t1 + t2 = 145,53 milisekund\u0117s<\/p>\n\n\n\n<p>Taip pat galime \u012fvertinti laikma\u010dio i\u0161\u0117jimo da\u017en\u012f su periodiniu periodu.&nbsp;<\/p>\n\n\n\n<p>f = 1\/T. Taigi f = 6,871 herco.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Parai\u0161kos<\/strong><\/h2>\n\n\n\n<p>Nuolatin\u0117s srov\u0117s varikli\u0173 grei\u010dio valdymas<\/p>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Square_wave\">Kvadratin\u0117s bangos <\/a>signalo generavimas<\/p>\n\n\n\n<p>Reguliuojamos bangos generavimas MCU<\/p>\n\n\n\n<p>\u017dingsnini\u0173 varikli\u0173 programose<\/p>\n\n\n\n<p>Naudingas telekomunikacijose kodavimo tikslais<\/p>\n\n\n\n<p>Reguliuojam\u0173 impuls\u0173 generavimas grandin\u0117ms valdyti<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>555 impuls\u0173 generatoriaus grandin\u0117s<\/strong><\/h2>\n\n\n\n<p>Yra keli\u0173 tip\u0173 555 impuls\u0173 generatoriaus grandin\u0117s, jos naudingos osciliatoriams. Taigi ap\u017evelgsime \u012fvairi\u0173 r\u016b\u0161i\u0173 osciliatorius, kuriuose jie taikomi.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Paprasta 555 laikma\u010dio astable osciliatoriaus grandin\u0117<\/strong><\/h3>\n\n\n\n<p>\u0160\u012f impuls\u0173 generatoriaus modul\u012f sukuria grandin\u0117, kuri\u0105 apra\u0161\u0117me anks\u010diau. Tai yra pirmin\u0117 grandin\u0117, kuri sudaro pagrind\u0105 kuriant kitus kursus. Jas ir i\u0161skirsime toliau. Vidutin\u0117 srov\u0117 \u0161ioje grandin\u0117je yra ne didesn\u0117 kaip 200 mA.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Didel\u0117s galios 555 impuls\u0173 generatorius<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/BEUrbnGDmc6PTxEoAAgc-Mb_GuUeNbmvdvW8R_gO21UofkfadbpcnaXvnykl5_u2V9Tpp9Fmmno1EMnJSQhTJvYwr2-4oKouMYB58TijZcQiA3RBdHprYJIG6QwZuq3YvYKpvNdz\" alt=\"Didel\u0117s galios 555 impuls\u0173 generatoriaus grandin\u0117s schema.\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Didel\u0117s galios 555 impuls\u0173 generatoriaus grandin\u0117s schema.<\/p>\n\n\n\n<p>Ji idealiai tinka tais atvejais, kai reikia didel\u0117s srov\u0117s impuls\u0173 generatoriaus. \u0160ioje grandin\u0117je yra du pagrindiniai komponentai. Pirma, tai IC 555, kuris yra osciliatorius, ir LM350T. Pastarasis yra svarbus didinant srov\u0117s signalus iki 3 A.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Impuls\u0173 generatoriaus da\u017enio valdymas naudojant skaitmenin\u012f integrin\u012f grandyn\u0105<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/sx9-XY6mrzXCJDh7lSLuSCUTaTr79nBlbiq3fS2uXjarAmvx--VV7EqOKTPc-LYwq_xBYBXGGJz2NpGvVIOJvEFGDYslgY8TwJWyeehmFqCYt8FUwIze1klvsVT25sikZFK2mtPI\" alt=\"Impuls\u0173 generatoriaus valdymo da\u017enio schema\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Impuls\u0173 generatoriaus valdymo da\u017enio schema<\/p>\n\n\n\n<p>\u0160\u012f mazg\u0105 taip pat galite vadinti astabiliojo multivibratoriaus grandine. Kai jis sukuria da\u017enius, reik\u0161mingesnius nei vienas ciklas per sekund\u0119, tai yra osciliatorius. Kita vertus, jis yra laikrodis, jei sukuria da\u017enius, smulkesnius nei ciklas per vien\u0105 sekund\u0119.&nbsp;<\/p>\n\n\n\n<p>Kitos standartin\u0117s grandin\u0117s, kuriose naudojama IC 555, yra \u0161ios:<\/p>\n\n\n\n<ol><li>Pavojaus pyptel\u0117jimo grandin\u0117 naudojant IC-555.<\/li><li>Ton\u0173 eigos generatorius naudojant LM555.<\/li><li>Erzinantis didelio tono triuk\u0161mo generatorius, naudojant IC-555.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Baigiamosios mintys<\/strong><\/h2>\n\n\n\n<p>Trumpai tariant, i\u0161d\u0117st\u0117me visus svarbiausius 555 impuls\u0173 generatoriaus aspektus. Ir \u0161tai jums viskas. Kaip gal\u0117jote pasteb\u0117ti, impuls\u0173 generatorius turi plat\u0173 pritaikymo spektr\u0105, taigi didel\u0117 tikimyb\u0117, kad jo prireiks j\u016bs\u0173 elektronikos projektui.<\/p>\n\n\n\n<p>Pagrindin\u0117 taisykl\u0117 - \u012fsitikinti, kad suprantate grandin\u0119, o mes tai veiksmingai iliustravome naudodami i\u0161samias grandin\u0117s schemas. Jei turite klausim\u0173 apie k\u0105 nors, susijusio su impuls\u0173 generatoriumi, susisiekite <a href=\"https:\/\/pcblithuania.com\/\">su mumis.\u00a0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Norite pagaminti teigiamus impulsus savo pagrindinei elektronikos grandinei? Ie\u0161kokite tik 555 impuls\u0173 generatoriaus. Ta\u010diau kaip veikia \u0161is reguliuojamas impuls\u0173 generatorius? Ketiname visk\u0105 ai\u0161kiai paai\u0161kinti. Taip pat ap\u017evelgsime elektroninius komponentus, kuriems reikia naudoti integrin\u012f grandyn\u0105.&nbsp; Prad\u0117kime! Kas yra 555 impuls\u0173 generatorius? Signal\u0173 generatorius Impuls\u0173 generatorius yra integrinis grandynas, galintis gaminti impulsus; jis paplit\u0119s laikma\u010di\u0173 grandin\u0117se, impuls\u0173 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15758,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[419],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>555 impuls\u0173 generatorius: pagrindai ir programos<\/title>\n<meta name=\"description\" content=\"Blog\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pcblithuania.com\/555-impulsu-generatorius-pagrindai-ir-programos.html\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"555 impuls\u0173 generatorius: pagrindai ir programos\" \/>\n<meta property=\"og:description\" content=\"Blog\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pcblithuania.com\/555-impulsu-generatorius-pagrindai-ir-programos.html\" \/>\n<meta property=\"og:site_name\" content=\"PCB surinkimas, PCB gamyba, PCB dizainas - 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