{"id":848,"date":"2020-03-30T17:57:17","date_gmt":"2020-03-30T16:57:17","guid":{"rendered":"https:\/\/www.svijethardvera.com\/?p=848"},"modified":"2020-03-30T18:42:15","modified_gmt":"2020-03-30T17:42:15","slug":"precizno-napajanje-0-30v-0-3a","status":"publish","type":"post","link":"https:\/\/www.svijethardvera.com\/?p=848","title":{"rendered":"Precizno napajanje 0-30V, 0-3A"},"content":{"rendered":"<h1 style=\"text-align: center;\">0-30 VDC STABILIZED POWER SUPPLY WITH CURRENT CONTROL 0.002-3 A<\/h1>\n<p>ALL INFO ON SOURCE PAGE: <em><strong><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.electronics-lab.com\/project\/0-30-vdc-stabilized-power-supply-with-current-control-0-002-3-a\/\">ELECTRONICS-LAB.COM<\/a><\/span><\/strong><\/em><\/p>\n<ul>\n<li class=\"normal1\">Input Voltage: \u2026\u2026\u2026\u2026\u2026. 24 VAC<\/li>\n<li class=\"normal1\">Input Current: \u2026\u2026\u2026\u2026\u2026. 3 A (max)<\/li>\n<li class=\"normal1\">Output Voltage: \u2026\u2026\u2026\u2026. 0-30 V adjustable<\/li>\n<li class=\"normal1\">Output Current: \u2026\u2026\u2026\u2026. 2 mA-3 A adjustable<\/li>\n<li class=\"normal1\">Output Voltage Ripple: \u2026. 0.01 % maximum<\/li>\n<\/ul>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-854 size-full\" src=\"https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2020\/03\/schem1.jpg?resize=940%2C381&#038;ssl=1\" alt=\"Precizno napajanje 30V 3A\" width=\"940\" height=\"381\" srcset=\"https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2020\/03\/schem1.jpg?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2020\/03\/schem1.jpg?resize=300%2C122&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2020\/03\/schem1.jpg?resize=768%2C311&amp;ssl=1 768w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>ALL INFO ON SOURCE PAGE: <em><strong><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.electronics-lab.com\/project\/0-30-vdc-stabilized-power-supply-with-current-control-0-002-3-a\/\">ELECTRONICS-LAB.COM<\/a><\/span><\/strong><\/em><\/p>\n<ul>\n<li class=\"normal1\">1 &amp; 2 AC input, the secondary of the transformer.<\/li>\n<li class=\"normal1\">3 (+) &amp; 4 (-) DC output.<\/li>\n<li class=\"normal1\">5, 10 &amp; 12 to P1.<\/li>\n<li class=\"normal1\">6, 11 &amp; 13 to P2.<\/li>\n<li class=\"normal1\">7 (E), 8 (B), 9 (E) to the power transistor Q4.<\/li>\n<li class=\"normal1\">The LED should also be placed on the front panel of the case where it is always visible but the pins where it is connected at are not numbered.<\/li>\n<\/ul>\n<p><strong>PARTS:<\/strong><\/p>\n<table class=\"easy-table easy-table-default table table-striped\">\n<thead>\n<tr>\n<th>Part<\/th>\n<th>Value<\/th>\n<th>Note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>R1<\/td>\n<td>2.2 k\u03a9<\/td>\n<td>1W<\/td>\n<\/tr>\n<tr>\n<td>R2<\/td>\n<td>82 \u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R3<\/td>\n<td>220 \u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R4<\/td>\n<td>4.7 k\u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R5-R6-R13-R20-R21<\/td>\n<td>10 k\u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R7<\/td>\n<td>0.47 \u03a9<\/td>\n<td>5W<\/td>\n<\/tr>\n<tr>\n<td>R8-R11<\/td>\n<td>27 k\u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R9-R19<\/td>\n<td>2.2 k\u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R10<\/td>\n<td>270 k\u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R12-R18<\/td>\n<td>56k\u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R14<\/td>\n<td>1.5 k\u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R15-R16<\/td>\n<td>1 k\u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R17<\/td>\n<td>33 \u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>R22<\/td>\n<td>3.9 k\u03a9<\/td>\n<td>1\/4W<\/td>\n<\/tr>\n<tr>\n<td>RV1<\/td>\n<td>100 k\u03a9<\/td>\n<td>trimmer<\/td>\n<\/tr>\n<tr>\n<td>P1-P2<\/td>\n<td>10 k\u03a9<\/td>\n<td>linear pontesiometer<\/td>\n<\/tr>\n<tr>\n<td>C1<\/td>\n<td>3300 uF\/50V<\/td>\n<td>electrolytic<\/td>\n<\/tr>\n<tr>\n<td>C2-C3<\/td>\n<td>47uF\/50V<\/td>\n<td>electrolytic<\/td>\n<\/tr>\n<tr>\n<td>C4<\/td>\n<td>100nF<\/td>\n<td>polyester<\/td>\n<\/tr>\n<tr>\n<td>C5<\/td>\n<td>200nF<\/td>\n<td>polyester<\/td>\n<\/tr>\n<tr>\n<td>C6<\/td>\n<td>100pF<\/td>\n<td>ceramic<\/td>\n<\/tr>\n<tr>\n<td>C7<\/td>\n<td>10uF\/50V<\/td>\n<td>electrolytic<\/td>\n<\/tr>\n<tr>\n<td>C8<\/td>\n<td>330pF<\/td>\n<td>ceramic<\/td>\n<\/tr>\n<tr>\n<td>C9<\/td>\n<td>100pF<\/td>\n<td>ceramic<\/td>\n<\/tr>\n<tr>\n<td>D1-D2-D3-D4<\/td>\n<td>1N5402-3-4<\/td>\n<td>2A diode \u2013 RAX GI837U<\/td>\n<\/tr>\n<tr>\n<td>D5-D6<\/td>\n<td>1N4148<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>D7-D8<\/td>\n<td>5.6V<\/td>\n<td>Zener<\/td>\n<\/tr>\n<tr>\n<td>D9-D10<\/td>\n<td>1N4148<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>D11<\/td>\n<td>1N4001<\/td>\n<td>diode 1A<\/td>\n<\/tr>\n<tr>\n<td>Q1<\/td>\n<td>BC548<\/td>\n<td>NPN transistor or BC547<\/td>\n<\/tr>\n<tr>\n<td>Q2<\/td>\n<td>2N2219<\/td>\n<td>NPN transistor<\/td>\n<\/tr>\n<tr>\n<td>Q3<\/td>\n<td>BC557<\/td>\n<td>PNP transistor or BC327<\/td>\n<\/tr>\n<tr>\n<td>Q4<\/td>\n<td>2N3055<\/td>\n<td>NPN power transistor<\/td>\n<\/tr>\n<tr>\n<td>U1-U2-U3<\/td>\n<td>TL081<\/td>\n<td>operational amplifier<\/td>\n<\/tr>\n<tr>\n<td>D12<\/td>\n<td>LED diode<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>SOURCE: <em><strong><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.electronics-lab.com\/project\/0-30-vdc-stabilized-power-supply-with-current-control-0-002-3-a\/\">ELECTRONICS-LAB.COM<\/a><\/span><\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>0-30 VDC STABILIZED POWER SUPPLY WITH CURRENT CONTROL 0.002-3 A ALL INFO ON SOURCE PAGE: ELECTRONICS-LAB.COM Input Voltage: \u2026\u2026\u2026\u2026\u2026. 24 VAC Input Current: \u2026\u2026\u2026\u2026\u2026. 3 A (max) Output Voltage: \u2026\u2026\u2026\u2026. 0-30 V adjustable Output Current: \u2026\u2026\u2026\u2026. 2 mA-3 A adjustable Output Voltage Ripple: \u2026. 0.01<\/p>\n","protected":false},"author":6,"featured_media":854,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[6],"tags":[450,453,449,452,451],"class_list":["post-848","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sheme","tag-0-3a","tag-laboratorijsko-napajanje","tag-precizno-napajanje-0-30v","tag-precizno-napajanje-0-30v-0-3a","tag-stabilized-power-supply"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2020\/03\/schem1.jpg?fit=1000%2C405&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/pD8RH-dG","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/posts\/848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=848"}],"version-history":[{"count":6,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/posts\/848\/revisions"}],"predecessor-version":[{"id":856,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/posts\/848\/revisions\/856"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/media\/854"}],"wp:attachment":[{"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}