{"id":69,"date":"2024-11-29T13:35:38","date_gmt":"2024-11-29T10:35:38","guid":{"rendered":"https:\/\/ta9ea.com\/?p=69"},"modified":"2024-11-29T13:35:38","modified_gmt":"2024-11-29T10:35:38","slug":"rd15hvf1-kullanan-dogrusal-amplifikatorun-prototipi","status":"publish","type":"post","link":"https:\/\/ta9ea.com\/?p=69","title":{"rendered":"RD15HVF1 kullanan do\u011frusal amplifikat\u00f6r\u00fcn prototipi"},"content":{"rendered":"<p><span>Hem 28MHz hem de 50MHz&#8217;de kullan\u0131labilecek bir prototip do\u011frusal amplifikat\u00f6r yapmay\u0131 denedim. Orijinal hikaye,\u00a0<\/span><a href=\"https:\/\/hobbypcb.com\/products\/hardrock-50-hf-power-amp-kit\"><span>HARDROCK-50<\/span><\/a><span>\u00a0ad\u0131 verilen, piyasada sat\u0131lan bir kittir .\u00a0Bu amplifikat\u00f6r d\u00f6rt adet Mitsubishi RD16HHF1 kullan\u0131r ve HF band\u0131nda 40-50W ve 50MHz&#8217;de 30-35W \u00e7\u0131k\u0131\u015fa sahiptir. Ticari olarak sat\u0131lan bir \u00fcr\u00fcn oldu\u011fundan detayl\u0131 devre konfig\u00fcrasyonu bilinmemektedir ancak muhtemelen paralel bir itme-\u00e7ekmedir.<\/span><br \/>\n<a href=\"https:\/\/ja2nkd.blog.ss-blog.jp\/2012-10-11\"><span>JA2NKD&#8217;nin web sitesi<\/span><\/a><span>\u00a0RD16HHF1 ile RD15HVF1 aras\u0131ndaki fark\u0131n k\u00fc\u00e7\u00fck oldu\u011funu s\u00f6yl\u00fcyor. Fiyat\u0131 \u00e7ok farkl\u0131 olmad\u0131\u011f\u0131ndan RD15HVF1 kullanaca\u011f\u0131m. Elimde yaln\u0131zca bir adet RD15HVF1 var, bu y\u00fczden yerel bir perakendeciden d\u00f6rt yenisini sat\u0131n ald\u0131m. Yeni al\u0131nan\u0131n Mitsubishi markas\u0131 yoktur ve paketin \u00fczerindeki yaz\u0131 farkl\u0131d\u0131r. Elimdeki yakla\u015f\u0131k \u00fc\u00e7 y\u0131l \u00f6nce sat\u0131n al\u0131nd\u0131, ancak internette sahte RD15HVF1&#8217;lerin oldu\u011funu duydu\u011fum i\u00e7in biraz endi\u015feliyim.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-70 size-full\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2024\/11\/IMG_1794.jpg\" alt=\"\" width=\"640\" height=\"480\" \/><\/p>\n<p><span>Bu bir devre \u015femas\u0131d\u0131r. \u0130nternetteki bilgilere dayanarak m\u00fcmk\u00fcn oldu\u011funca az par\u00e7adan olu\u015fan basit bir devre yapt\u0131m.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-71 size-full\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2024\/11\/rd15hvf1_parallel_pushpull_linearamp.png\" alt=\"\" width=\"800\" height=\"600\" \/><\/p>\n<p>PCB bir CNC freze makinesi kullan\u0131larak i\u015flendi<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-72 size-full\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2024\/11\/IMG_1854.jpg\" alt=\"\" width=\"640\" height=\"480\" \/><\/p>\n<p>Giri\u015f\/\u00e7\u0131k\u0131\u015f, g\u00f6zl\u00fck \u00e7ekirde\u011fi kullanan bir transformat\u00f6rd\u00fcr ve giri\u015f 1:1 ve \u00e7\u0131k\u0131\u015f 1:9&#8217;dur. 1. d\u00f6n\u00fc\u015f taraf\u0131ndan bak\u0131r bir boru ge\u00e7irilir.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-73 size-full\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2024\/11\/IMG_1855.jpg\" alt=\"\" width=\"640\" height=\"480\" \/><\/p>\n<p>Giri\u015f geri d\u00f6n\u00fc\u015f kayb\u0131na bak\u0131ld\u0131\u011f\u0131nda, HF band\u0131ndan 50MHz&#8217;e kadar neredeyse d\u00fczd\u00fcr, ancak SWR 3 civar\u0131nda y\u00fcksektir.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-74 size-full\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2024\/11\/rd15hvf1_parapushpull_returnloss.png\" alt=\"\" width=\"800\" height=\"480\" \/><\/p>\n<p>Giri\u015f geri d\u00f6n\u00fc\u015f kayb\u0131na bak\u0131ld\u0131\u011f\u0131nda, HF band\u0131ndan 50MHz&#8217;e kadar neredeyse d\u00fczd\u00fcr, ancak SWR 3 civar\u0131nda y\u00fcksektir.<\/p>\n<p>14MHz, 28MHz ve 50MHz&#8217;deki giri\u015f\/\u00e7\u0131k\u0131\u015f \u00f6zelliklerine bakt\u0131m. Giri\u015fte 3dB&#8217;lik bir zay\u0131flat\u0131c\u0131 vard\u0131r, dolay\u0131s\u0131yla ger\u00e7ek amplifikat\u00f6r giri\u015fi bunun yar\u0131s\u0131 kadard\u0131r. Grafikte g\u00f6r\u00fclen do\u011frusal b\u00f6lge 28MHz&#8217;de yakla\u015f\u0131k 40W ve 50MHz&#8217;de 20W&#8217;\u0131n biraz alt\u0131ndad\u0131r. Do\u011frusal bir amplifikat\u00f6r olarak garip geliyor. Ancak 14MHz vb. 50W&#8217;a kadar do\u011frusal bir b\u00f6lge olarak g\u00f6r\u00fclebilir.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-75 size-large\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2024\/11\/rd15hvf1_parapushpull_graph-1024x916.png\" alt=\"\" width=\"640\" height=\"573\" \/><\/p>\n<p>Giri\u015fi 1,9MHz&#8217;den 50MHz&#8217;e 5W, 2,5W ve 1W olarak de\u011fi\u015ftirdim ve \u00e7\u0131k\u0131\u015fa bakt\u0131m. G\u00fc\u00e7 kayna\u011f\u0131 13,8V&#8217;dir (ger\u00e7ekte 13,5V civar\u0131nda \u00f6l\u00e7\u00fclm\u00fc\u015ft\u00fcr) ve r\u00f6lanti ak\u0131m\u0131 300mA&#8217;d\u0131r (4 par\u00e7a ile 1,2A). 1.9MHz biraz daha d\u00fc\u015f\u00fck bir \u00e7\u0131k\u0131\u015fa sahiptir ancak bunun d\u0131\u015f\u0131nda HARDROCK-50 ile ayn\u0131 \u00e7\u0131k\u0131\u015f\u0131 elde edebilirsiniz. Sahte oldu\u011fundan \u015f\u00fcphelenilen RD15HVF1&#8217;in orijinal oldu\u011fu de\u011ferlendirilebilir. FET \u0131s\u0131 \u00fcretimi d\u00fc\u015f\u00fckt\u00fcr ve \u00e7al\u0131\u015fmas\u0131 stabildir.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-76 size-large\" src=\"https:\/\/ta9ea.com\/wp-content\/uploads\/2024\/11\/rd15hvf1_parapushpull_power-1021x1024.png\" alt=\"\" width=\"640\" height=\"642\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hem 28MHz hem de 50MHz&#8217;de kullan\u0131labilecek bir prototip do\u011frusal amplifikat\u00f6r yapmay\u0131 denedim. Orijinal hikaye,\u00a0HARDROCK-50\u00a0ad\u0131 verilen, piyasada sat\u0131lan bir kittir .\u00a0Bu amplifikat\u00f6r d\u00f6rt adet Mitsubishi RD16HHF1 [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":70,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-69","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\/69","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=69"}],"version-history":[{"count":0,"href":"https:\/\/ta9ea.com\/index.php?rest_route=\/wp\/v2\/posts\/69\/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=69"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ta9ea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=69"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ta9ea.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=69"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}