{"id":440,"date":"2018-10-08T11:07:16","date_gmt":"2018-10-08T14:07:16","guid":{"rendered":"https:\/\/pu2kaz.qsl.br\/?p=440"},"modified":"2018-10-09T19:47:35","modified_gmt":"2018-10-09T22:47:35","slug":"construindo-load-dump-100w","status":"publish","type":"post","link":"https:\/\/www.pu2kaz.qsl.br\/?p=440","title":{"rendered":"Construindo Load Dump 100W"},"content":{"rendered":"<p>Criando uma ferramente para meus pequenos ajustes e verifica\u00e7\u00f5es na esta\u00e7\u00e3o radioamadora.<br \/>\nCopia do projeto\u00a0<a href=\"http:\/\/www.py2bbs.qsl.br\/dummy_load.php\" target=\"_blank\">PY2BBS<\/a>, vou mostrar aqui o\u00a0que eu fiz.<\/p>\n<p>Usando 20 resistores de 5 Watts ao inv\u00e9s dos de 3 Watts da proposta inicial.<\/p>\n<p>Fiz tamb\u00e9m a sa\u00edda de sinal de -40db para ligar ao frequenc\u00edmetro e ao oscilosc\u00f3pio.<\/p>\n<p>O acabamento claro ficou a quem do projeto original, n\u00e3o tenho essa habilidade, mas funcionou.<\/p>\n<p>N\u00e3o encontrei material para fazer as barras de cobre e tamb\u00e9m n\u00e3o achei para comprar o liquido para tratar o cobre, ent\u00e3o usei ilha de placa e cabo 6 mm soldando-os na parte inferior e interligando ao conector VHF, minha caixa j\u00e1 foi um antigo acoplador de 11 m,\u00a0 em 82, mas \u00e9 de alum\u00ednio.<\/p>\n<p>Esqueci de ir tirando fotos das fases da constru\u00e7\u00e3o, ent\u00e3o vou postar somente a foto dele pronto e um v\u00eddeo fazendo as medi\u00e7\u00f5es.<\/p>\n<div id=\"attachment_445\" style=\"width: 649px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-445\" class=\"size-full wp-image-445\" src=\"https:\/\/pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/DumLoad.png\" alt=\"Dummy Load\" width=\"639\" height=\"247\" srcset=\"https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/DumLoad.png 639w, https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/DumLoad-300x116.png 300w\" sizes=\"auto, (max-width: 639px) 100vw, 639px\" \/><p id=\"caption-attachment-445\" class=\"wp-caption-text\">Esquema Carga Fantasma (Dummy Load)<\/p><\/div>\n<p><a href=\"https:\/\/pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3183.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-453 size-medium\" src=\"https:\/\/pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3183-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3183-300x225.jpg 300w, https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3183-768x576.jpg 768w, https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3183-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3182.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-452 size-medium\" src=\"https:\/\/pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3182-300x225.jpg\" alt=\"IMG_3182\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3182-300x225.jpg 300w, https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3182-768x576.jpg 768w, https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3182-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3181.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-451 size-medium\" src=\"https:\/\/pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3181-300x225.jpg\" alt=\"Fotos constru\u00edda em caixa de alum\u00ednio \" width=\"300\" height=\"225\" srcset=\"https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3181-300x225.jpg 300w, https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3181-768x576.jpg 768w, https:\/\/www.pu2kaz.qsl.br\/wp-content\/uploads\/2018\/10\/IMG_3181-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Criando uma ferramente para meus pequenos ajustes e verifica\u00e7\u00f5es na esta\u00e7\u00e3o radioamadora. Copia do projeto\u00a0PY2BBS, vou mostrar aqui o\u00a0que eu fiz. Usando 20 resistores de 5 Watts ao inv\u00e9s dos de 3 Watts da proposta inicial. Fiz tamb\u00e9m a sa\u00edda de sinal de -40db para ligar ao frequenc\u00edmetro e ao oscilosc\u00f3pio. O acabamento claro ficou [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,36,94,10,8],"tags":[96,95,98,97],"class_list":["post-440","post","type-post","status-publish","format-standard","hentry","category-acoplador","category-antenas","category-auxiliares","category-equipamento","category-estacao-base","tag-carga-fantasma","tag-dummy-load","tag-sinal-osciloscopio","tag-sinal-para-frequencimetro"],"_links":{"self":[{"href":"https:\/\/www.pu2kaz.qsl.br\/index.php?rest_route=\/wp\/v2\/posts\/440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pu2kaz.qsl.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pu2kaz.qsl.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pu2kaz.qsl.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pu2kaz.qsl.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=440"}],"version-history":[{"count":0,"href":"https:\/\/www.pu2kaz.qsl.br\/index.php?rest_route=\/wp\/v2\/posts\/440\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pu2kaz.qsl.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pu2kaz.qsl.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pu2kaz.qsl.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}