{"id":354,"date":"2025-12-02T11:30:20","date_gmt":"2025-12-02T08:30:20","guid":{"rendered":"https:\/\/ta9ea.com\/?p=354"},"modified":"2025-12-02T11:30:20","modified_gmt":"2025-12-02T08:30:20","slug":"sg-lab-guc-amplifikatoru-icin-monitor","status":"publish","type":"post","link":"https:\/\/ta9ea.com\/?p=354","title":{"rendered":"SG-Lab G\u00fc\u00e7 Amplifikat\u00f6r\u00fc i\u00e7in Monit\u00f6r"},"content":{"rendered":"

Bulgar SG-Lab firmas\u0131n\u0131n 2,4 GHz 20 W g\u00fc\u00e7 amplifikat\u00f6r\u00fc, OM’ler (QO-100 uydu fanlar\u0131 dahil) aras\u0131nda yayg\u0131n olarak kullan\u0131lmaktad\u0131r [1]. Cazip fiyat\u0131n\u0131n yan\u0131 s\u0131ra, bu durum frezelenmi\u015f al\u00fcminyum g\u00f6vdedeki m\u00fckemmel i\u015f\u00e7ilik ve teslimattan da kaynaklanmaktad\u0131r. PA, giri\u015f, \u00e7\u0131k\u0131\u015f ve yans\u0131yan g\u00fcc\u00fc \u00f6l\u00e7mek i\u00e7in \u00fc\u00e7 dahili y\u00f6nl\u00fc ba\u011flant\u0131 eleman\u0131 i\u00e7erir.<\/span><\/p>\n

Burada sunulan PA monit\u00f6r\u00fc, uygun \u015fekilde de\u011fi\u015ftirilirse di\u011fer PA’lar i\u00e7in de kullan\u0131labilir ve a\u015fa\u011f\u0131daki i\u015flevleri sunar:<\/span>
\n\u2013 DRV, FWD ve REF g\u00fc\u00e7lerinin \u00f6l\u00e7\u00fclmesi ve g\u00f6r\u00fcnt\u00fclenmesi<\/span>
\n\u2013 Duran dalga oran\u0131 SWR’nin hesaplanmas\u0131 ve g\u00f6r\u00fcnt\u00fclenmesi<\/span>
\n\u2013 \u00c7al\u0131\u015fma voltaj\u0131n\u0131n g\u00f6r\u00fcnt\u00fclenmesi<\/span>
\n\u2013 PA s\u0131cakl\u0131\u011f\u0131n\u0131n \u00f6l\u00e7\u00fclmesi ve g\u00f6r\u00fcnt\u00fclenmesi<\/span>
\n\u2013 S\u0131cakl\u0131k a\u015f\u0131ld\u0131\u011f\u0131nda fanlar i\u00e7in anahtarlama i\u015flevi<\/span><\/p>\n

\"\"<\/p>\n

\u015eekil 1. SG-Lab PA, Y\u00f6nl\u00fc Ba\u011flant\u0131 Elemanlar\u0131n\u0131n Beslemeli Kapasit\u00f6rler Arac\u0131l\u0131\u011f\u0131yla Ba\u011flanmas\u0131<\/p>\n

Y\u00f6nl\u00fc kupl\u00f6r DRV’nin kalibrasyon e\u011frisi (k\u0131rm\u0131z\u0131) \u015eekil 2’de, FWD e\u011frisi ise \u015eekil 3’te g\u00f6sterilmi\u015ftir. \u00d6l\u00e7\u00fcm noktalar\u0131 bana\u00a0<\/span>SG-Lab.com<\/span><\/a><\/strong>\u00a0taraf\u0131ndan sa\u011flanm\u0131\u015ft\u0131r ve bir\u00e7ok kopyan\u0131n ortalamas\u0131n\u0131 temsil etmektedir. REF kupl\u00f6r\u00fc ayn\u0131 \u015fekilde yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131 ve FWD kupl\u00f6r\u00fcne simetrik olarak yerle\u015ftirildi\u011fi i\u00e7in ayn\u0131 karakteristi\u011fe sahip olabilir. Ancak genel olarak, y\u00fcksek yans\u0131yan g\u00fc\u00e7l\u00fc bir REF’in (SWR) transist\u00f6r \u00e7\u0131k\u0131\u015f kat\u0131n\u0131 \u00f6ld\u00fcrebilece\u011fi unutulmamal\u0131d\u0131r. Hata tolerans\u0131, voltaj de\u011ferlerine ba\u011fl\u0131 olarak \u00b1 %7 olmal\u0131d\u0131r. Karakteristik e\u011frinin dikli\u011fi nedeniyle, g\u00fcce g\u00f6re hata buna ba\u011fl\u0131 olarak daha b\u00fcy\u00fckt\u00fcr (ye\u015fil alan). Kupl\u00f6r\u00fcn se\u00e7icili\u011fi olarak 22 dB – 25 dB de\u011feri belirtilmi\u015ftir.<\/span><\/p>\n

\"\"\u015eekil 2 Giri\u015f G\u00fcc\u00fc DRV Kalibrasyon E\u011frisi<\/p>\n

\"\"<\/p>\n

\u015eekil 3 \u00c7\u0131k\u0131\u015f G\u00fcc\u00fcn\u00fcn FWD Kalibrasyon E\u011frisi<\/p>\n

 <\/p>\n

Dijital sinyal i\u015fleme i\u00e7in kalibrasyon e\u011frilerinin matematiksel bir formda olmas\u0131 gerekir. E\u011friler , y = a + b * x + c * x * x\u00a0bi\u00e7imindeki 2. derece \u00e7okgen fonksiyonuyla yakla\u015f\u0131k olarak hesaplanm\u0131\u015ft\u0131r.<\/span><\/p>\n

Katsay\u0131lar, \u00e7evrimi\u00e7i bir polinom regresyon hesaplay\u0131c\u0131s\u0131 [2] kullan\u0131larak belirlenmi\u015ftir. \u00d6l\u00e7\u00fcm noktas\u0131 say\u0131s\u0131 ve istenen polinom derecesi \u00f6nce buraya girilir. Gerilim de\u011ferleri x s\u00fctununa, ilgili g\u00fc\u00e7 de\u011ferleri ise y s\u00fctununa yaz\u0131l\u0131r. Kupl\u00f6r diyotlar\u0131n\u0131n s\u0131cakl\u0131\u011f\u0131 da karakteristik e\u011frileri etkiledi\u011finden, 2’den y\u00fcksek bir derece de\u011feri \u00f6nerilmez. S\u0131cakl\u0131k etkisi, PA’n\u0131n iyi so\u011futulmas\u0131yla azalt\u0131labilir.<\/span><\/p>\n

Karakteristik DRV, FWD ve REF katsay\u0131lar\u0131 bu \u015fekilde belirlendi. Kendi PA’n\u0131z\u0131n y\u00f6n kupl\u00f6r e\u011frilerinin SG-Lab’\u0131n ortalama de\u011ferlerine tam olarak kar\u015f\u0131l\u0131k gelme olas\u0131l\u0131\u011f\u0131 d\u00fc\u015f\u00fckt\u00fcr. Uygun hassasiyette \u00f6l\u00e7\u00fcm cihazlar\u0131n\u0131z varsa, bunu kendiniz belirlemeniz daha iyidir (daha fazla bilgi i\u00e7in Dok\u00fcmantasyon’a bak\u0131n\u00a0<\/span>)<\/span><\/a>\u00a0<\/strong>. Kul\u00fcpten g\u00fcler y\u00fczl\u00fc bir OM size yard\u0131mc\u0131 olmaktan mutluluk duyacakt\u0131r.<\/span><\/p>\n

PA monit\u00f6r\u00fcn\u00fcn \u00f6l\u00e7\u00fcmleri, veri i\u015fleme ve g\u00f6r\u00fcnt\u00fcleme i\u015flemleri, LCD tu\u015f tak\u0131m\u0131na sahip bir Arduino Uno ile ger\u00e7ekle\u015ftirilir. \u015eekil 4, PA’ya ve Dallas DS18B20 s\u0131cakl\u0131k sens\u00f6r\u00fcne giden kablolar\u0131 g\u00f6stermektedir.<\/span><\/p>\n

\"\"<\/p>\n

\u015eekil 4 Arduino UNO ile PA Monit\u00f6r\u00fcn\u00fcn Kablolanmas\u0131<\/p>\n

Devre (\u015eekil 5), geleneksel kablolama ile bir \u0131zgara kart\u0131 \u00fczerine kurulabilir. “Alt kalkan” kullan\u0131m\u0131 daha \u015f\u0131kt\u0131r. 4 pinli ba\u015fl\u0131klarla donat\u0131lm\u0131\u015f bir devre kart\u0131d\u0131r. Bu, soket \u015feritlerine lehimlenmi\u015f Arduino Uno’nun i\u00e7 ped s\u0131ras\u0131na alttan tak\u0131l\u0131r (\u015eekil 6).<\/p>\n

\"\"<\/p>\n

\u015eekil 5 PA Monit\u00f6rlerinin \u015eemas\u0131<\/p>\n

\"\"<\/p>\n

\u015eekil 6 “Alt Kalkan”, PCB D\u00fczeni ve Bile\u015fenleri<\/p>\n

PA monit\u00f6r\u00fcn\u00fcn bir muhafazaya veya \u00f6n panele monte edilmesi durumunda, ekrandaki SELECT d\u00fc\u011fmesinin uzun kalemli bir d\u00fc\u011fmeyle [3] de\u011fi\u015ftirilmesi ve kontrast potansiyometresinin lehimlenerek alt tarafa yerle\u015ftirilmesi \u00f6nerilir (\u015eekil 7).<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u015eekil 7 PA Monit\u00f6r Men\u00fcleri ve Alt Kalkan Montaj\u0131<\/p>\n

Dok\u00fcmantasyon<\/span><\/a><\/strong>\u00a0zip dosyas\u0131nda\u00a0Arduino Nano’nun daha k\u00fc\u00e7\u00fck bir yap\u0131y\u0131 uygulayan alternatif bir versiyonunu bulacaks\u0131n\u0131z.<\/span><\/p>\n

Arduino PA monit\u00f6r program\u0131, SELECT d\u00fc\u011fmesine bas\u0131l\u0131 tutularak (yakla\u015f\u0131k 1 saniye) s\u0131rayla se\u00e7ilebilen \u00fc\u00e7 men\u00fc \u00f6\u011fesinden olu\u015fur (\u015eekil 7).<\/span><\/p>\n

Men\u00fc 1:<\/span>
\nFWD veya REF kupl\u00f6rlerinin \u00f6l\u00e7\u00fclen de\u011ferleri, \u00e7izimde tan\u0131mlanan kalibrasyon e\u011frilerinin minimum de\u011ferlerinin alt\u0131ndaysa, bu durum ekranda g\u00f6sterilir. Bu durumda, SWR belirlenemez. Bu durumda, SWR yerine PA s\u0131cakl\u0131\u011f\u0131 g\u00f6r\u00fcnt\u00fclenir.<\/span><\/p>\n

Men\u00fc 2:<\/span>
\nOndal\u0131k noktal\u0131 s\u0131cakl\u0131k g\u00f6sterimi ve \u00e7ubuk grafikte g\u00f6sterimi<\/span><\/p>\n

Men\u00fc 3:<\/span>
\nPA’n\u0131n \u00e7al\u0131\u015fma voltaj\u0131 ve vantilat\u00f6r\u00fcn a\u00e7\u0131l\u0131\u015f s\u0131cakl\u0131\u011f\u0131n\u0131n g\u00f6r\u00fcnt\u00fclenmesi. Vantilat\u00f6r aktifse, “ON” veya derece simgesi \u00b0 yan\u0131p s\u00f6ner.<\/span><\/p>\n

Taslakta (\u00a0<\/span>Belgeler<\/span><\/a><\/strong>\u00a0zip dosyas\u0131na bak\u0131n), e\u011frilerin kalibrasyon de\u011ferleri bir y\u0131ld\u0131z i\u015faretiyle (******) belirtilmi\u015ftir. Bunlar, kendi kendine belirlenen katsay\u0131larla de\u011fi\u015ftirilmelidir. Bir fan\u0131n etkinle\u015ftirildi\u011fi s\u0131cakl\u0131k da buraya girilmelidir. Kopyaya ait t\u00fcm bilgiler\u00a0<\/span>hf5l.pl sunucusundan<\/span><\/strong><\/a>\u00a0indirilebilir [4].<\/span><\/p>\n

Ek<\/span>
\n[1]\u00a0\u00a0<\/span>http:\/\/www.sg-lab.com\/amateur.html<\/span><\/a>\u00a0; e-posta:\u00a0<\/span>info@sg-lab.com<\/span>
\n<\/em>[2]\u00a0\u00a0<\/span>\u00dccretsiz Polinom Regresyon hesaplay\u0131c\u0131s\u0131;\u00a0<\/span><\/em>http:\/\/www.xuru.org\/rt\/PR.asp#CopyPaste<\/span><\/a>
\n[3] eBay’de aray\u0131n: Anl\u0131k Dokunsal Basmal\u0131 D\u00fc\u011fme Anahtar\u0131 6*6*(4,3-15 mm) Mini Mikro K\u00fc\u00e7\u00fck PCB’ye Monte Edilmi\u015f<\/span>
\n[4]\u00a0\u00a0<\/span>https:\/\/hf5l.pl\/en\/pdfs-2\/<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Bulgar SG-Lab firmas\u0131n\u0131n 2,4 GHz 20 W g\u00fc\u00e7 amplifikat\u00f6r\u00fc, OM’ler (QO-100 uydu fanlar\u0131 dahil) aras\u0131nda yayg\u0131n olarak kullan\u0131lmaktad\u0131r [1]. Cazip fiyat\u0131n\u0131n yan\u0131 s\u0131ra, bu durum […]<\/p>\n","protected":false},"author":1,"featured_media":355,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[],"class_list":["post-354","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hamrad","category-qo100"],"_links":{"self":[{"href":"https:\/\/ta9ea.com\/index.php?rest_route=\/wp\/v2\/posts\/354","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=354"}],"version-history":[{"count":0,"href":"https:\/\/ta9ea.com\/index.php?rest_route=\/wp\/v2\/posts\/354\/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=354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ta9ea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=354"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ta9ea.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}