{"id":30,"date":"2013-09-21T17:28:07","date_gmt":"2013-09-21T17:28:07","guid":{"rendered":"https:\/\/www.svijethardvera.com\/?p=30"},"modified":"2018-06-07T17:08:59","modified_gmt":"2018-06-07T16:08:59","slug":"aktivna-antena-1-20db-1-30-mhz","status":"publish","type":"post","link":"https:\/\/www.svijethardvera.com\/?p=30","title":{"rendered":"Aktivna antena 1-20dB, 1-30 MHz"},"content":{"rendered":"<p style=\"text-align: center;\">Aktivna antena 1-20dB, 1-30 MHz<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-31\" src=\"https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2013\/09\/activ8.gif?resize=547%2C379&#038;ssl=1\" alt=\"activ8\" width=\"547\" height=\"379\" \/><\/p>\n<p>Lista dijelova i ostalih komponenti:<\/p>\n<p>Poluvodi\u010di:<br \/>\nQ1 = MPF102, JFET. (2N4416, NTE451, ECG451, etc.)<br \/>\nQ2,Q3,Q4 = 2N3904, NPN transistor<\/p>\n<p>Otpornici:<br \/>\nSvi otpornici su 5%, 1\/4-watt<br \/>\nR1 = 1 MegOhm R5 = 10K<br \/>\nR2,R10 = 22 ohm R6,R9 = 1K<br \/>\nR3,R11 = 2K2 R7 = 3K3<br \/>\nR4 = 22K R8 = 470 ohm<\/p>\n<p>Kondenzatori (rated at least 16V for a 9V supply):<br \/>\nC1,C3 = 470pF<br \/>\nC2,C5,C6 = 0.01uF (10nF\/103)<br \/>\nC4 = 0.001uF (1nF\/104)<br \/>\nC7,C9 = 0.1uF (100nF\/102)<br \/>\nC8 = 22uF\/16V, electrolytic<\/p>\n<p>Miscellaneous Parts &amp; Materials:<br \/>\nB1 = 9-volt Alkaline battery<br \/>\nS1 = SPST on-off switch<br \/>\nJ1 = Jack to match (your) receiver cable<br \/>\nANT1 = Telescoping whip antenna (screw mount), wire, brass rod (about 12&#8243;)<br \/>\nMISC = PCB materials, enclosure, battery holder, 9V battery snap, etc.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2013\/09\/activ8l.gif?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-32\" src=\"https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2013\/09\/activ8l.gif?resize=424%2C192&#038;ssl=1\" alt=\"activ8l\" width=\"424\" height=\"192\" \/><\/a><\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2013\/09\/activ8p.gif?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-33\" src=\"https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2013\/09\/activ8p.gif?resize=228%2C126&#038;ssl=1\" alt=\"activ8p\" width=\"228\" height=\"126\" \/><\/a><\/p>\n<p>Izvor: <a href=\"http:\/\/www.sentex.ca\/~mec1995\/\">tonys website<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aktivna antena 1-20dB, 1-30 MHz Lista dijelova i ostalih komponenti: Poluvodi\u010di: Q1 = MPF102, JFET. (2N4416, NTE451, ECG451, etc.) Q2,Q3,Q4 = 2N3904, NPN transistor Otpornici: Svi otpornici su 5%, 1\/4-watt R1 = 1 MegOhm R5 = 10K R2,R10 = 22 ohm R6,R9 = 1K R3,R11<\/p>\n","protected":false},"author":6,"featured_media":31,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[6],"tags":[180,177,389,258,223,285,192,57,92,156,236,288,287,286],"class_list":["post-30","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-sheme","tag-0-01uf","tag-10nf","tag-aktivna-antena-1-20db-1-30-mhz","tag-battery","tag-electrolytic","tag-elektronika","tag-etc","tag-jfet","tag-npn-transistor","tag-otpornici","tag-parts","tag-schematic","tag-seme","tag-sheme-2","post_format-post-format-aside"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.svijethardvera.com\/wp-content\/uploads\/2013\/09\/activ8.gif?fit=547%2C379&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/pD8RH-u","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/posts\/30","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=30"}],"version-history":[{"count":7,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/posts\/30\/revisions"}],"predecessor-version":[{"id":595,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/posts\/30\/revisions\/595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=\/wp\/v2\/media\/31"}],"wp:attachment":[{"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.svijethardvera.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}