{"id":1886,"date":"2016-01-21T22:08:08","date_gmt":"2016-01-21T20:08:08","guid":{"rendered":"https:\/\/zz-indigo.mavipet.sk\/?p=1886"},"modified":"2019-10-29T18:04:49","modified_gmt":"2019-10-29T18:04:49","slug":"spektralny-analyzator-podla-a-jeho-uprava-1","status":"publish","type":"post","link":"https:\/\/zz-indigo.mavipet.sk\/?p=1886","title":{"rendered":"Spektr\u00e1lny analyz\u00e1tor podla bg7tbl. A jeho \u00faprava (1)"},"content":{"rendered":"<p>Na Ebay som si k\u00fapil lacn\u00fd spektr\u00e1lny analyz\u00e1tor a gener\u00e1tor 138Mhz a\u017e 4.4Ghz (existuje aj verzia ktora ide od 35Mhz). Toto zariadenie m\u00e1 RF v\u00fdstup obd\u013a\u017enikov\u00e9ho priebehu a vstup analyz\u00e1toru osaden\u00fd mix\u00e9rom a logaritmick\u00fdm detektorom. A pomocou programu LinNWT\/WinNWT je toto zariadenie plnohodnotn\u00e9. A je mo\u017ene ho pou\u017ei\u0165 ako gener\u00e1tor relat\u00edvne presnej frekvencie (~-7dBm) a spektr\u00e1lny analyz\u00e1tor (-75dBm a\u017e 17dBm). <a href=\"http:\/\/www.y1pwe.co.uk\/RAProgs\/USB%20138M.pdf\">Za pomoci \u0161umov\u00e9ho gener\u00e1tora je mo\u017en\u00e9 mera\u0165 aj filtre ci ant\u00e9ny<\/a>. (<a href=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/USB-138M.pdf\">Lok\u00e1lna k\u00f3pia dokumentu<\/a>)<\/p>\n<p><!--more--><\/p>\n<p>No dos\u0165 vec\u00ed sa lep\u0161ie meria woblerom. Ale ke\u010f\u017ee na vstupe je mixer pracuj\u00faci z rovnakou frekvenciou k detektoru sa sign\u00e1l z gener\u00e1tora nedostane.<\/p>\n<p>Na Ebay je mo\u017en\u00e9 zohna\u0165 e\u0161te <a title=\"Polsk\u00fd popis NWT 500 a 3000\" href=\"http:\/\/sq8aqx.blogspot.sk\/2012\/11\/wobuloskop-analizator-nwt500-nwt3000.html\">NWT3000<\/a>. Jeho obvodov\u00e9 sch\u00e9ma je obdobn\u00e9 ale detektor pred sebou nem\u00e1 mixer a doln\u00fa priepus\u0165. Tento analyz\u00e1tor sa d\u00e1 prerobi\u0165 na wobler.Rie\u0161en\u00edm je extern\u00fd detektor a prep\u00ednanie medzi intern\u00fdm a extern\u00fdm.\u00a0 Moje rie\u0161enie vidno na prilo\u017een\u00fdch fotk\u00e1ch.<\/p>\n<p><a href=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0343.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1883 size-large\" src=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0343-1024x683.jpg\" alt=\"Konektor pre extern\u00fd detektor a prep\u00edna\u010d.\" width=\"584\" height=\"390\" srcset=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0343-1024x683.jpg 1024w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0343-300x200.jpg 300w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0343-768x512.jpg 768w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0343-1200x800.jpg 1200w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0343.jpg 2048w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/a> <a href=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0342.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1882 size-large\" src=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0342-1024x683.jpg\" alt=\"Vydedenie v\u00fdstupu povodn\u00e9ho detektora\" width=\"584\" height=\"390\" srcset=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0342-1024x683.jpg 1024w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0342-300x200.jpg 300w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0342-768x512.jpg 768w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0342-1200x800.jpg 1200w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0342.jpg 2048w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/a> <a href=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0341.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1881 size-large\" src=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0341-1024x683.jpg\" alt=\"Vydedenie v\u00fdstupu povodn\u00e9ho detektora, detail\" width=\"584\" height=\"390\" srcset=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0341-1024x683.jpg 1024w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0341-300x200.jpg 300w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0341-768x512.jpg 768w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0341-1200x800.jpg 1200w, https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/IMG_0341.jpg 2048w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/a><\/p>\n<p>Intern\u00fd konektor je spojen\u00fd z extern\u00fdm, stereo jack, kde sa vyu\u017e\u00edva osaden\u00fd prep\u00edna\u010d. Tak\u017ee v pr\u00edpade nepripojenej externej sondy je pripojen\u00e1 intern\u00e1 a zariadenie m\u00e1 p\u00f4vodn\u00fa funk\u010dnos\u0165. Podobn\u00fa \u00fapravu od SQ8AQX n\u00e1jdete <a href=\"sq8aqx.blogspot.sk\/2014\/09\/analizator-widma-od-35mhz-do-44ghz-i-od_5.html\">tu<\/a>. On ma ale star\u0161iu verziu ktor\u00e1 m\u00e1 inak rozmiestnen\u00e9 s\u00fa\u010diastky a bez vyveden\u00e9ho konektora.<\/p>\n<p>Ako extern\u00fd detektor pou\u017e\u00edvam:<\/p>\n<ul>\n<li>AD8307 &#8211; Pou\u017eite\u013en\u00fd do 500Mhz, citlivos\u0165 ~90dBm<\/li>\n<li>AD8314 &#8211; Pou\u017eite\u013en\u00fd do 2.7Ghz, citlivos\u0165 ~45dBm<\/li>\n<\/ul>\n<p>Nejak\u00e9 linky:<\/p>\n<ul>\n<li>\n<div data-canvas-width=\"194.08975\">SP2IPT: <a href=\"http:\/\/sztormik.com\/Radio\/Wpisy\/2014\/10\/1_BG7TBL_measurements_files\/bg7tbl_lo_meas.pdf\">G7TBL simple spectrum analyzer and signal source local oscillator measurements<\/a> ,(<a href=\"https:\/\/zz-indigo.mavipet.sk\/wp-content\/uploads\/2016\/01\/bg7tbl_lo_meas.pdf\">lokalna kopia<\/a><a href=\"http:\/\/sztormik.com\/Radio\/Wpisy\/2014\/10\/1_BG7TBL_measurements_files\/bg7tbl_lo_meas.pdf\">)<\/a><\/div>\n<\/li>\n<li>\n<div data-canvas-width=\"194.08975\">sigrok <a href=\"https:\/\/sigrok.org\/wiki\/BG7TBL\">wiki<\/a>.<\/div>\n<\/li>\n<li><\/li>\n<\/ul>\n<p>Pokra\u010dovanie nabud\u00face &#8230;.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Na Ebay som si k\u00fapil lacn\u00fd spektr\u00e1lny analyz\u00e1tor a gener\u00e1tor 138Mhz a\u017e 4.4Ghz (existuje aj verzia ktora ide od 35Mhz). Toto zariadenie m\u00e1 RF v\u00fdstup obd\u013a\u017enikov\u00e9ho priebehu a vstup analyz\u00e1toru osaden\u00fd mix\u00e9rom a logaritmick\u00fdm detektorom. A pomocou programu LinNWT\/WinNWT je &hellip; <a href=\"https:\/\/zz-indigo.mavipet.sk\/?p=1886\">Pokra\u010dova\u0165 v \u010d\u00edtan\u00ed <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-1886","post","type-post","status-publish","format-standard","hentry","category-hw-a-sw","category-ostatne"],"_links":{"self":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/posts\/1886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1886"}],"version-history":[{"count":1,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/posts\/1886\/revisions"}],"predecessor-version":[{"id":2137,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=\/wp\/v2\/posts\/1886\/revisions\/2137"}],"wp:attachment":[{"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zz-indigo.mavipet.sk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}