{"id":35,"date":"2024-04-04T03:04:46","date_gmt":"2024-04-04T00:04:46","guid":{"rendered":"https:\/\/sisu.ut.ee\/elektroonika\/410-valjuhaaldi\/"},"modified":"2024-04-04T03:05:54","modified_gmt":"2024-04-04T00:05:54","slug":"410-valjuhaaldi","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/elektroonika\/410-valjuhaaldi\/","title":{"rendered":"4.10. Valjuh\u00e4\u00e4ldi"},"content":{"rendered":"<p>Elektromehhaaniline e. elektrod\u00fcnaamiline valjuh\u00e4\u00e4ldi t\u00f6\u00f6tab p\u00f5him\u00f5ttel, et magnetv\u00e4ljas asuvale juhtmele m\u00f5jub juhet l\u00e4biva vooluga v\u00f5rdeline mehhaaniline j\u00f5ud. Valjuh\u00e4\u00e4ldi koosneb p\u00fcsimagnetist ja v\u00f5nkepoolist, mille k\u00fclge on kinnitatud membraan.\u00a0<\/p>\n<p>Selles loengus n\u00e4itame, kuidas \u00fchendada multivibraatori k\u00fclge elektromagnetiline valjuh\u00e4\u00e4ldi l\u00e4bi eralduskondensaatori. N\u00e4eme ja kuuleme, kuidas kondensaator juhib vahelduvvoolu, aga ei juhi alalisvoolu.<\/p>\n<p style=\"text-align: center\"><\/p><div class=\"ratio ratio-16x9 mb-3\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--16x9\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n<p style=\"text-align: center\"><a href=\"https:\/\/youtu.be\/vK-8LElRSIs\" target=\"_blank\" rel=\"noopener\">https:\/\/youtu.be\/vK-8LElRSIs<\/a><\/p>\n<p style=\"text-align: left\">Praktilise t\u00f6\u00f6 jaoks vajad j\u00e4rgmisi vahendeid:<\/p>\n<ul>\n<li>Schmitti trigeriga multivibraator makettplaadil<\/li>\n<li>elektromagnetiline valjuh\u00e4\u00e4ldi<\/li>\n<li>nutitelefon<\/li>\n<\/ul>\n<h5><img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"40\" class=\"alignnone wp-image-77\" style=\"margin-left: 10px;margin-right: 10px\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/189\/motle.png\" title=\"motle.png\" alt=\"motle.png\">\u00a0M\u00f5tle kaasa!<\/h5>\n<p>Videos ajavahemikul umbes 07:30-08:15 n\u00e4idatakse pingesignaale \u00fchel ja teisel pool kondensaatorit. Mis vahemikus muutub pinge Schmitti trigeri v\u00e4ljundis? Mis vahemikus muutub pinge valjuh\u00e4\u00e4ldil?<\/p>\n<p><\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69d513ed9fbbb-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69d513ed9fbbb-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69d513ed9fbbb-collapse\">Vastus<\/button>\n        <\/h2>\n        <div id=\"accordion-69d513ed9fbbb-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69d513ed9fbbb-heading\">\n            <div class=\"accordion-body\">\n<p>Vaata kummagi signaali vertikaalskaalat ostsilloskoobi ekraani allservas.<\/p>\n<p><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>\n<h5><img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"40\" class=\"alignnone wp-image-78\" style=\"margin-left: 10px;margin-right: 10px\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/189\/tahtis.png\" title=\"tahtis.png\" alt=\"tahtis.png\">\u00a0J\u00e4ta meelde!<\/h5>\n<p><strong>Elektromagnetilist valjuh\u00e4\u00e4ldit ei tohi \u00fchendada otse mikroskeemi v\u00e4ljundi k\u00fclge. Sama kehtib edaspidi kasutatava NE555 mikroskeemi kohta. Mikroskeemi v\u00e4ljundi ja elektromagnetilise valjuh\u00e4\u00e4ldi vahele pannakse eralduskondensaator. Normaalse sagedusriba saamiseks peab eralduskondensaatori mahtuvus olema umbes 1000\u00b5F.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Elektromehhaaniline e. elektrod\u00fcnaamiline valjuh\u00e4\u00e4ldi t\u00f6\u00f6tab p\u00f5him\u00f5ttel, et magnetv\u00e4ljas asuvale juhtmele m\u00f5jub juhet l\u00e4biva vooluga v\u00f5rdeline mehhaaniline j\u00f5ud. Valjuh\u00e4\u00e4ldi koosneb p\u00fcsimagnetist ja v\u00f5nkepoolist, mille k\u00fclge on kinnitatud membraan.\u00a0 Selles loengus n\u00e4itame, kuidas \u00fchendada multivibraatori k\u00fclge elektromagnetiline valjuh\u00e4\u00e4ldi l\u00e4bi eralduskondensaatori. N\u00e4eme ja &#8230;<\/p>\n","protected":false},"author":93,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-35","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/35","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/users\/93"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/comments?post=35"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/35\/revisions"}],"predecessor-version":[{"id":235,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/35\/revisions\/235"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/media?parent=35"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}