{"id":78,"date":"2011-05-21T19:47:25","date_gmt":"2011-05-21T19:47:25","guid":{"rendered":"http:\/\/oh6hgn.net\/oh6hgnblogi\/?p=78"},"modified":"2011-05-21T19:51:35","modified_gmt":"2011-05-21T19:51:35","slug":"78","status":"publish","type":"post","link":"http:\/\/oh6hgn.net\/oh6hgnblogi\/78\/","title":{"rendered":"Subbarisuodin ja viel\u00e4 hyv\u00e4 sellanen."},"content":{"rendered":"<p>Tekij\u00e4 OH6HGN on Syys 1, 2010<\/p>\n<p>No niin nyt sain lopulta aikaseksi jotta piirsin s\u00e4hk\u00f6seen muotoon subbari suotimen jota itse olen k\u00e4ytt\u00e4nyt omassa j\u00e4rjestelm\u00e4ss\u00e4 jo pian 20 vuotta. Todennut kytkenn\u00e4n eritt\u00e4in hyv\u00e4ksi ja ajattelin ett\u00e4 aika on julkaista se my\u00f6s t\u00e4\u00e4l\u00e4. Tekeill\u00e4 on levy joka sopii alu profiiliin jota itsell\u00e4 on kymmeni\u00e4 metrej\u00e4 varastossa. Tarkoitus ett\u00e4 sit\u00e4 voi my\u00f6s k\u00e4ytt\u00e4\u00e4 auto k\u00e4yt\u00f6ss\u00e4.<\/p>\n<p><a href=\"http:\/\/oh6hgn.net\/oh6hgnblogi\/wp-content\/uploads\/2011\/05\/subbari-suodina12.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-81\" title=\"subbari suodin\" src=\"http:\/\/oh6hgn.net\/oh6hgnblogi\/wp-content\/uploads\/2011\/05\/subbari-suodina12.jpg\" alt=\"\" width=\"540\" height=\"422\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><em> Kytkent\u00e4kaavio suotimesta. Paina kuvasta jos haluat sen isommaksi<\/em><\/p>\n<p><em><br \/>\n<\/em><\/p>\n<p>Kuten kuvasta n\u00e4kyy niin kytkent\u00e4 on yksinkertanen. Pari operaatio vahvistinpiiri\u00e4 ja hieman vastuksia. Aluksi vasen ja oikea kanava summataan sek\u00e4 sen j\u00e4lkeen on vahvistin osa U2A jossa s\u00e4\u00e4det\u00e4\u00e4n haluttu vahvistus esim potikasta RV1. IC1B muodostaa ensimm\u00e4isen asteen alip\u00e4\u00e4st\u00f6suotimen. U1C muodostaa vahvistin kytkenn\u00e4n sek\u00e4 konkilla C3 ja C4 rajoitetaan taajuusaluetta. Itse kolmannen asteen butterworth suotimen muodostaa U1A ja sen ymp\u00e4rill\u00e4 olevat vastukset ja konkat. Suodin on jyrkkyydell\u00e4\u00e4n 18db\/oktaavia. U1D muodostaa 180 asteen vaihesiiron jolloin on helppo kokeilla mik\u00e4 vaihtoehto on parempi vaihtamalla jumperia JP1. Lopuksi suodatettu audio vied\u00e4\u00e4n ulos bufferin U2B kautta RCA liittimille.<br \/>\nLaite tarvitsee kaksipuolisen j\u00e4nnitteen +\/- 15 voltia. T\u00e4m\u00e4 on helppo tehd\u00e4 2x15vac muuntajalla ja parilla rekulla. Hieman mutkikkaampi onkin sitten kun samaa kytkent\u00e4\u00e4 k\u00e4ytet\u00e4\u00e4n autok\u00e4yt\u00f6ss\u00e4. Silloin j\u00e4nnitteen pit\u00e4\u00e4 tehd\u00e4 hakuri tyyppisell\u00e4 kytkenn\u00e4ll\u00e4. T\u00e4st\u00e4 on tulossa lis\u00e4\u00e4 infoa jossain v\u00e4liss\u00e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tekij\u00e4 OH6HGN on Syys 1, 2010 No niin nyt sain lopulta aikaseksi jotta piirsin s\u00e4hk\u00f6seen muotoon subbari suotimen jota itse olen k\u00e4ytt\u00e4nyt omassa j\u00e4rjestelm\u00e4ss\u00e4 jo pian 20 vuotta. Todennut kytkenn\u00e4n eritt\u00e4in hyv\u00e4ksi ja ajattelin ett\u00e4 aika on julkaista se my\u00f6s t\u00e4\u00e4l\u00e4. Tekeill\u00e4 on levy joka sopii alu profiiliin jota itsell\u00e4 on kymmeni\u00e4 metrej\u00e4 varastossa. Tarkoitus &#8230; <a title=\"Subbarisuodin ja viel\u00e4 hyv\u00e4 sellanen.\" class=\"read-more\" href=\"http:\/\/oh6hgn.net\/oh6hgnblogi\/78\/\">Lue lis\u00e4\u00e4<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,7],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Subbarisuodin ja viel\u00e4 hyv\u00e4 sellanen. ~ oh6hgn.net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/oh6hgn.net\/oh6hgnblogi\/78\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Subbarisuodin ja viel\u00e4 hyv\u00e4 sellanen. ~ oh6hgn.net\" \/>\n<meta property=\"og:description\" content=\"Tekij\u00e4 OH6HGN on Syys 1, 2010 No niin nyt sain lopulta aikaseksi jotta piirsin s\u00e4hk\u00f6seen muotoon subbari suotimen jota itse olen k\u00e4ytt\u00e4nyt omassa j\u00e4rjestelm\u00e4ss\u00e4 jo pian 20 vuotta. Todennut kytkenn\u00e4n eritt\u00e4in hyv\u00e4ksi ja ajattelin ett\u00e4 aika on julkaista se my\u00f6s t\u00e4\u00e4l\u00e4. Tekeill\u00e4 on levy joka sopii alu profiiliin jota itsell\u00e4 on kymmeni\u00e4 metrej\u00e4 varastossa. Tarkoitus ... 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