{"id":202,"date":"2025-03-26T10:48:33","date_gmt":"2025-03-26T07:48:33","guid":{"rendered":"https:\/\/ta9ea.com\/?p=202"},"modified":"2025-03-26T10:48:33","modified_gmt":"2025-03-26T07:48:33","slug":"if-transformatoru","status":"publish","type":"post","link":"https:\/\/ta9ea.com\/?p=202","title":{"rendered":"IF-transformat\u00f6r\u00fc"},"content":{"rendered":"<p><em><span style=\"color: #000000; font-family: Arial; font-size: small;\">Arka Plan Bu transformat\u00f6rler dar bantl\u0131 IF uygulamalar\u0131 i\u00e7in RFI ge\u00e7irmez topraklanabilir metal paketlerde \u00f6zel olarak tasarlanm\u0131\u015f ayarl\u0131 devrelerdir. Bunlara IF\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">kutular\u0131<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0denir .\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Sa\u011fdaki<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0\u015fekildeki<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a01968 teknik \u00f6zellik sayfas\u0131nda g\u00f6sterildi\u011fi gibi\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">,\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">bu \u00fcnite 125 pF kapasit\u00f6r i\u00e7erir ve birincil ile ikincil aras\u0131ndaki ok, ayarlaman\u0131n ferrit \u00e7ekirde\u011fin (slug) ayarlama aleti (metalik olmayan bir tornavida) ile ayarlanmas\u0131yla elde edildi\u011fini g\u00f6sterir. Birincil sarg\u0131 muslu\u011funun amac\u0131,\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">standart yay\u0131n al\u0131c\u0131s\u0131n\u0131n dar bantl\u0131 IF&#8217;sindeki kollekt\u00f6r devresinin etkin\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Q&#8217;sunu<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0art\u0131rmakt\u0131r. Her IF transformat\u00f6r\u00fc, \u00f6nceden tan\u0131mlanm\u0131\u015f frekansta bir impedansmax ile kendi rezonans\u0131na sahiptir.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Rezonans frekans\u0131, renkli ferrit \u00e7ekirde\u011fi d\u00f6nd\u00fcrerek ayarlanabilir.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">S\u0131radan bir radyoda, genellikle 4 tip IF kutusu bulursunuz. FM k\u0131sm\u0131 i\u00e7in IF frekans\u0131 10.7MHz&#8217;dir.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Bu CAN&#8217;daki slug&#8217;\u0131n rengi \u00e7o\u011funlukla pembedir. AM k\u0131sm\u0131 i\u00e7in IF frekans\u0131 455kHz&#8217;dir.<\/span><\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-203 size-full\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2025\/03\/if1.jpg\" alt=\"\" width=\"615\" height=\"868\" \/><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span>KIRMIZI &#8211; Osilat\u00f6r. 30pf &#8211; 300pf = 1MHz ila 2MHz<\/span><\/li>\n<li><span>SARI &#8211; \u0130lk 455KHz IF filtre trafosu<\/span><\/li>\n<li><span>Beyaz &#8211; \u0130kinci 455KHz IF filtre trafosu (her zaman kullan\u0131lmaz)<\/span><\/li>\n<li><span>Siyah &#8211; Son 455KHz IF filtre trafosu<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b><span>IF trafosu nas\u0131l ba\u011flan\u0131r?<\/span><\/b><br \/>\n<span>IF, bobin boyunca yerle\u015ftirilmi\u015f 180pf &#8211; 200pF&#8217;lik bir bobinle tipik olarak 110 &#8211; 160 tur telden olu\u015fan ayarlanm\u0131\u015f bir birincil sarg\u0131 kullan\u0131r. Bu sarg\u0131 genellikle yakla\u015f\u0131k %20 &#8211; 25&#8217;te tak\u0131l\u0131r ve bir merkez pime ba\u011flan\u0131r. Bobin hakk\u0131nda herhangi bir veriniz yoksa, t\u0131kama i\u015fleminin bobinin hangi ucundan yap\u0131ld\u0131\u011f\u0131 tart\u0131\u015fmal\u0131d\u0131r.\u00a0<span style=\"color: #000000; font-family: Arial; font-size: small;\"><b>Empedans<\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0Sa\u011fdaki diyagram, empedans\u0131 frekans\u0131n bir fonksiyonu olarak g\u00f6sterir.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Faz a\u00e7\u0131s\u0131 da \u00e7izilmi\u015ftir. Ferrit \u00e7ekirdek (slug) sar\u0131 455kHz&#8217;dir.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Diyagramdan g\u00f6rebilece\u011finiz gibi, empedans\u0131n rezonans frekans\u0131nda maksimum de\u011feri vard\u0131r.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Rezonans frekans\u0131nda faz 0&#8217;d\u0131r ve empedans saf diren\u00e7lidir.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b>Birincil sarg\u0131 tapas\u0131 ve Q fakt\u00f6r\u00fc\u00a0<\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Yukar\u0131daki \u015fematik, IF trafosunu g\u00f6stermektedir. R\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><sub>T,<\/sub><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0amplifikat\u00f6r a\u015famas\u0131ndaki diren\u00e7tir.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00d6rne\u011fin, muslu\u011fun kullan\u0131lmad\u0131\u011f\u0131n\u0131 varsayal\u0131m. E\u015fde\u011fer devre (soldaki \u015fekil), elbette,\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b>Q\u00a0<\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b><sub>eff<\/sub><\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b>\u00a0= R\u00a0<\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b><sub>T<\/sub><\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b>\u00a0\/ X\u00a0<\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b><sub>L<\/sub><\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0ve bant geni\u015fli\u011fi\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b>BW = f\u00a0<\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b><sub>o<\/sub><\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b>\u00a0\/ Q\u00a0<\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b><sub>eff&#8217;dir<\/sub><\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b>\u00a0.<\/b><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0G\u00fc\u00e7 kayna\u011f\u0131 hatt\u0131 (ac toprak) musluk noktas\u0131na ba\u011flan\u0131rsa, ortaya \u00e7\u0131kan e\u015fde\u011fer devre sa\u011fdaki \u015fekildeki devredir.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Burada, L\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><sub>1<\/sub><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0+ L\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><sub>2<\/sub><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0= L, bu nedenle devre ayn\u0131 frekansta rezonansl\u0131d\u0131r.\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">Ancak, L ~ N\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><sup>2<\/sup><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0oldu\u011fundan, burada N, end\u00fckt\u00f6r X\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><sub>L2<\/sub><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0= n\u00a0<\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\"><sup>2<\/sup><\/span><span style=\"color: #000000; font-family: Arial; font-size: small;\">\u00a0i\u00e7in sar\u0131m say\u0131s\u0131d\u0131r<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-204 size-full aligncenter\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2025\/03\/ifcoil.gif\" alt=\"\" width=\"330\" height=\"181\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-205 size-full\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2025\/03\/im455.jpg\" alt=\"\" width=\"502\" height=\"338\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><span>XL burada n\u00a0<\/span><sub><span>, musluk noktas\u0131 n = n\u00a0<\/span><\/sub><sub><span>1<\/span><\/sub><span>\u00a0\/ (n\u00a0<\/span><sub><span>1<\/span><\/sub><span>\u00a0+ n\u00a0<\/span><sub><span>2<\/span><\/sub><span>\u00a0)\u00a0taraf\u0131ndan tan\u0131mlanan d\u00f6n\u00fc\u015f oran\u0131d\u0131r .<\/span><br \/>\n<span>Sonlu ind\u00fckt\u00f6r Q&#8217;yu g\u00f6z ard\u0131 ederek, etkin musluklu devre Q \u015fu \u015fekildedir: Q\u00a0<sub>T = R T \/ XL = R T \/ (n 2 XL\u00a0<\/sub><\/span><sub><span>)<\/span><\/sub><span>\u00a0=\u00a0<\/span><sub><span>Q<\/span><\/sub><span>\u00a0eff\u00a0<\/span><sub><span>\/<\/span><\/sub><span>\u00a0n\u00a0<\/span><sub><span>2<\/span><\/sub><span>\u00a0.\u00a0<\/span><sup><span>n<\/span><\/sup><span>\u00a0&lt;\u00a01\u00a0<b>oldu\u011fundan\u00a0<\/b><b><sub>,<\/sub><\/b><b>\u00a0musluksuz\u00a0<\/b><b><sup>transformat\u00f6r\u00fcn<\/sup><\/b>\u00a0Q\u00a0eff&#8217;i Q\u00a0T\u00a0&gt; &#8216;dir\u00a0<sub>.\u00a0<\/sub><sub>\u00d6RNEK\u00a0<\/sub><b>R<\/b>\u00a0T\u00a0<sub>=<\/sub>\u00a02500 ohm\u00a0X\u00a0<sub>L<\/sub>\u00a0= 500 ohm\u00a0\u0130ki devrenin Q&#8217;sunu belirleyin. Musluk noktas\u0131, alttan itibaren ind\u00fckt\u00f6r d\u00f6n\u00fc\u015flerinin 1\/3&#8217;\u00fcd\u00fcr.\u00a0<b>\u00c7\u00f6z\u00fcm<\/b>\u00a0Q\u00a0<sub>eff<\/sub>\u00a0= 2500 \/ 500 = 5\u00a0XL\u00a0= n\u00a0<sub>2\u00a0<\/sub><sup>X<\/sup>\u00a0L2\u00a0<sub>=<\/sub>\u00a0(1\/3)\u00a0<sup>2<\/sup>\u00a0* 500 = 55,5 ohm.\u00a0Q\u00a0<sub>T<\/sub>\u00a0= 2500 \/ 55,5 =\u00a0<b>45<\/b>\u00a0. Q, 1 \/ n\u00a0<sup>2<\/sup>\u00a0= 9 kat\u00a0art\u0131r\u0131lm\u0131\u015ft\u0131r\u00a0<b>.<\/b>\u00a0Bant geni\u015fli\u011fi,\u00a0kullan\u0131lmayan de\u011ferin\u00a0<b>1 \/ 9&#8217;udur .<\/b><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-206 size-full\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2025\/03\/tapq.gif\" alt=\"\" width=\"488\" height=\"217\" \/><\/p>\n<p><span style=\"color: #ff0000; font-family: Arial; font-size: medium;\"><span>Transformat\u00f6r\u00fcn ba\u011flanmas\u0131yla Q de\u011feri artar ve bant geni\u015fli\u011fi azal\u0131r.<\/span><\/span><\/p>\n<p><span style=\"color: #000000; font-family: Arial; font-size: small;\"><b><span>CAN&#8217;\u0131n i\u00e7inde ne var?<\/span><\/b><br \/>\n<span>A\u015fa\u011f\u0131daki iki resim CAN&#8217;\u0131n i\u00e7ini a\u00e7\u0131klar.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-207 aligncenter\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2025\/03\/ifcan2.gif\" alt=\"\" width=\"264\" height=\"189\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-208 aligncenter\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2025\/03\/ifcan1.gif\" alt=\"\" width=\"264\" height=\"189\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Arka Plan Bu transformat\u00f6rler dar bantl\u0131 IF uygulamalar\u0131 i\u00e7in RFI ge\u00e7irmez topraklanabilir metal paketlerde \u00f6zel olarak tasarlanm\u0131\u015f ayarl\u0131 devrelerdir. Bunlara IF\u00a0kutular\u0131\u00a0denir .\u00a0Sa\u011fdaki\u00a0\u015fekildeki\u00a01968 teknik \u00f6zellik sayfas\u0131nda [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":208,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-202","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hamrad","category-hf-projects"],"_links":{"self":[{"href":"https:\/\/ta9ea.com\/index.php?rest_route=\/wp\/v2\/posts\/202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ta9ea.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ta9ea.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ta9ea.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ta9ea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=202"}],"version-history":[{"count":0,"href":"https:\/\/ta9ea.com\/index.php?rest_route=\/wp\/v2\/posts\/202\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ta9ea.com\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"https:\/\/ta9ea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ta9ea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ta9ea.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}