{"id":248,"date":"2016-02-22T18:52:27","date_gmt":"2016-02-22T18:52:27","guid":{"rendered":"http:\/\/kapica.it\/?p=248"},"modified":"2016-02-25T21:12:33","modified_gmt":"2016-02-25T21:12:33","slug":"generator-warsztatowy-dds-na-ukladzie-ad9850","status":"publish","type":"post","link":"http:\/\/kapica.it\/?p=248","title":{"rendered":"Generator warsztatowy DDS na uk\u0142adzie AD9850"},"content":{"rendered":"<p>Od pewnego czasu przymierza\u0142em si\u0119 do budowy generatora DDS. Poni\u017cszy projekt powsta\u0142 w oparciu o modu\u0142 z uk\u0142adem AD9850 pochodz\u0105cy z Chin. Sterowanie to wmontowany na sta\u0142e i zaprogramowany klon Arduino Uno. Cena tych klon\u00f3w u chi\u0144skich producent\u00f3w jest tak \u015bmiesznie niska, \u017ce nie ma sensu budowa\u0107 w\u0142asnego sterownika (zakup samego procesora z przesy\u0142k\u0105 to wi\u0119cej ni\u017c 2 dolary za Uno R3).<\/p>\n<p>Ca\u0142o\u015b\u0107 prezentuje si\u0119 nast\u0119puj\u0105co:<\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9717.jpg\" rel=\"attachment wp-att-255\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-255\" title=\"IMG_9717\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9717-300x197.jpg\" alt=\"IMG_9717\" width=\"300\" height=\"197\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9717-300x197.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9717-768x504.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9717.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9712.jpg\" rel=\"attachment wp-att-254\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-254\" title=\"IMG_9712\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9712-300x196.jpg\" alt=\"IMG_9712\" width=\"300\" height=\"196\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9712-300x196.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9712-768x502.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9712.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\u00a0 <a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9722.jpg\" rel=\"attachment wp-att-257\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-257\" title=\"IMG_9722\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9722-300x197.jpg\" alt=\"IMG_9722\" width=\"300\" height=\"197\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9722-300x197.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9722-768x503.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9722.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9723.jpg\" rel=\"attachment wp-att-258\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-258\" title=\"IMG_9723\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9723-300x197.jpg\" alt=\"IMG_9723\" width=\"300\" height=\"197\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9723-300x197.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9723-768x503.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9723.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9724.jpg\" rel=\"attachment wp-att-259\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-259\" title=\"IMG_9724\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9724-300x197.jpg\" alt=\"IMG_9724\" width=\"300\" height=\"197\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9724-300x197.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9724-768x504.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9724.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9725.jpg\" rel=\"attachment wp-att-260\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-260\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9725-300x197.jpg\" alt=\"IMG_9725\" width=\"300\" height=\"197\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9725-300x197.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9725-768x504.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9725.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Opr\u00f3cz bloku steruj\u0105cego i modu\u0142u AD wykona\u0142em blok buforuj\u0105cy z pomiarem napi\u0119cia sygna\u0142u oraz blok wzmacniacza ko\u0144cowego z regulacj\u0105 amplitudy i sk\u0142adowej sta\u0142ej.<\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/schemat.png\" rel=\"attachment wp-att-265\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-265\" title=\"schemat\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/schemat-300x254.png\" alt=\"schemat\" width=\"300\" height=\"254\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/schemat-300x254.png 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/schemat-768x650.png 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/schemat-1024x867.png 1024w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/schemat.png 1180w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/wzm.png\" rel=\"attachment wp-att-266\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-266\" title=\"wzm\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/wzm-300x150.png\" alt=\"wzm\" width=\"300\" height=\"150\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/wzm-300x150.png 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/wzm-768x385.png 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/wzm-1024x513.png 1024w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/wzm.png 1395w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Wzmacniacz ko\u0144cowy zasilam dodatkowym zasilaczem symetrycznym, co umo\u017cliwi\u0142o uzyskanie sensownych amplitud i regulowan\u0105 sk\u0142adow\u0105 sta\u0142\u0105.<\/p>\n<p>Obs\u0142uga generatora ogranicza si\u0119 do ustawienia \u017c\u0105danej cz\u0119stotliwo\u015bci przy pomocy impulsatora (po jego naci\u015bni\u0119ciu zmienia si\u0119 mno\u017cnik, co jest oznaczone podkre\u015bleniem odpowiedniej cyfry i zapisem na wy\u015bwietlaczu). Nast\u0119pnie nale\u017cy ustawi\u0107 amplitud\u0119 sygna\u0142u pokr\u0119t\u0142em regulacyjnym i ustawi\u0107 sk\u0142adow\u0105 sta\u0142\u0105. Do jej regulacji s\u0142u\u017cy pokr\u0119t\u0142o, kt\u00f3re mo\u017cna aktywowa\u0107 przyciskiem. W przypadku wy\u0142\u0105czenia regulacji sk\u0142adowa sta\u0142a wynosi zero.<\/p>\n<p>Na wy\u015bwietlaczu pokazywane jest te\u017c napi\u0119cie generowanego sygna\u0142u, ale nale\u017cy traktowa\u0107 to niezbyt wi\u0105\u017c\u0105co, poniewa\u017c spos\u00f3b pomiaru wyklucza prawid\u0142owe dzia\u0142anie przy wy\u017cszych cz\u0119stotliwo\u015bciach.<\/p>\n<p>Generator posiada trzy wyj\u015bcia BNC: prostok\u0105t TTL (buforowany), sinus oraz sinus za t\u0142umikiem 10-1.<\/p>\n<p>Poni\u017cej wida\u0107 &#8222;kanapk\u0119&#8221; z Arduino Uno, uk\u0142adem wzmacniacza oraz modu\u0142em AD9850.<\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221559.jpg\" rel=\"attachment wp-att-249\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-249\" title=\"201602221559\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221559-300x225.jpg\" alt=\"201602221559\" width=\"300\" height=\"225\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221559-300x225.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221559-768x576.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221559.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221560.jpg\" rel=\"attachment wp-att-251\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-250 size-medium\" title=\"201602221560\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221560-300x225.jpg\" alt=\"201602221560\" width=\"300\" height=\"225\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221560-300x225.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221560-768x576.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221560.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Zasilanie zosta\u0142o podzielone na cz\u0119\u015b\u0107 &#8222;cyfrow\u0105&#8221; (zasilacz impulsowy ze starej kamery przerobiony na 5V) oraz zasilanie wzmacniacza ko\u0144cowego (symetryczne).<\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221561.jpg\" rel=\"attachment wp-att-251\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-251\" title=\"201602221561\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221561-300x225.jpg\" alt=\"201602221561\" width=\"300\" height=\"225\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221561-300x225.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221561-768x576.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221561.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221562.jpg\" rel=\"attachment wp-att-252\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-252\" title=\"201602221562\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221562-300x225.jpg\" alt=\"201602221562\" width=\"300\" height=\"225\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221562-300x225.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221562-768x576.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221562.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>P\u0142ytka wzmacniacza ko\u0144cowego.<\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221563.jpg\" rel=\"attachment wp-att-253\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-253\" title=\"201602221563\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221563-300x225.jpg\" alt=\"201602221563\" width=\"300\" height=\"225\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221563-300x225.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221563-768x576.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/201602221563.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Tranzystor\u00f3w wzmacniacza na razie nie umie\u015bci\u0142em na radiatorze (nie by\u0142o sensu) w przypadku wi\u0119kszych obci\u0105\u017ce\u0144 mo\u017cna je b\u0119dzie dokr\u0119ci\u0107 do metalowej obudowy.<\/p>\n<p>PCB:<\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/pcb1.png\" rel=\"attachment wp-att-269\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-269\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/pcb1-300x226.png\" alt=\"pcb1\" width=\"300\" height=\"226\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/pcb1-300x226.png 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/pcb1.png 452w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/pcb2.png\" rel=\"attachment wp-att-270\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-270\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/pcb2-177x300.png\" alt=\"pcb2\" width=\"177\" height=\"300\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/pcb2-177x300.png 177w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/pcb2.png 354w\" sizes=\"(max-width: 177px) 100vw, 177px\" \/><\/a><\/p>\n<p>Wsad Arduino: <a href=\"http:\/\/kapica.it\/gen_2_srednia.ino\">link<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Od pewnego czasu przymierza\u0142em si\u0119 do budowy generatora DDS. Poni\u017cszy projekt powsta\u0142 w oparciu o modu\u0142 z uk\u0142adem AD9850 pochodz\u0105cy z Chin. Sterowanie to wmontowany na sta\u0142e i zaprogramowany klon Arduino Uno. Cena tych klon\u00f3w u chi\u0144skich producent\u00f3w jest tak \u015bmiesznie niska, \u017ce nie ma sensu budowa\u0107 w\u0142asnego sterownika (zakup samego procesora z przesy\u0142k\u0105 to&#8230;<\/p>\n","protected":false},"author":1,"featured_media":256,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[55,53,54],"_links":{"self":[{"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/posts\/248"}],"collection":[{"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=248"}],"version-history":[{"count":13,"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/posts\/248\/revisions"}],"predecessor-version":[{"id":426,"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/posts\/248\/revisions\/426"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/media\/256"}],"wp:attachment":[{"href":"http:\/\/kapica.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=248"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}