{"id":19290,"date":"2015-05-02T14:44:21","date_gmt":"2015-05-02T18:44:21","guid":{"rendered":"https:\/\/reactivemusic.net\/?p=19290"},"modified":"2015-05-03T17:19:03","modified_gmt":"2015-05-03T21:19:03","slug":"varactors","status":"publish","type":"post","link":"https:\/\/reactivemusic.net\/?p=19290","title":{"rendered":"Varactors"},"content":{"rendered":"<p class=\"lead\">Voltage controlled variable capacitors<\/p>\n<p>Also called varicaps. They are diodes operated in a reverse bias condition. As voltage increases the capacitance decreases.<\/p>\n<h5>Read this first<\/h5>\n<p>Tutorial by Phillip Atchely, KO6BB\u00a0<a href=\"http:\/\/www.qsl.net\/ko6bb\/varactor.html\">http:\/\/www.qsl.net\/ko6bb\/varactor.html<\/a><\/p>\n<h5>More tutorials<\/h5>\n<p>Using Varactors by Stefan Hollos and Richard Hollos:\u00a0<a href=\"http:\/\/www.exstrom.com\/journal\/varac\/varac.pdf\">http:\/\/www.exstrom.com\/journal\/varac\/varac.pdf<\/a><\/p>\n<p>Tutorial by Ian Poole at Radio-Electronics <a href=\"http:\/\/www.radio-electronics.com\/info\/data\/semicond\/varactor-varicap-diodes\/basics-tutorial.php%20\">http:\/\/www.radio-electronics.com\/info\/data\/semicond\/varactor-varicap-diodes\/basics-tutorial.php\u00a0<\/a><\/p>\n<p>Another tutorial from Radio-Electronics?:\u00a0<a href=\"http:\/\/www.radio-electronics.com\/info\/data\/semicond\/varactor-varicap-diodes\/circuits.php\">http:\/\/www.radio-electronics.com\/info\/data\/semicond\/varactor-varicap-diodes\/circuits.php<\/a><\/p>\n<h5>Threads from The RadioBoard Forum:<\/h5>\n<ul>\n<li><a href=\"http:\/\/theradioboard.com\/rb\/viewtopic.php?t=2767\">http:\/\/theradioboard.com\/rb\/viewtopic.php?t=2767<\/a><\/li>\n<li>Practical advice from Dan McGillis:\u00a0<a href=\"http:\/\/theradioboard.com\/rb\/viewtopic.php?t=3182\">http:\/\/theradioboard.com\/rb\/viewtopic.php?t=3182<\/a><\/li>\n<\/ul>\n<p>Varactor tuned regenerative radio by Tony G4WIF &#8220;The Two Dollar Regen&#8221; : <a href=\"http:\/\/www.cqham.ru\/forum\/attachment.php?attachmentid=28430\">http:\/\/www.cqham.ru\/forum\/attachment.ph &#8230; ntid=28430<\/a>\u00a0More information here:\u00a0<a href=\"http:\/\/theradioboard.com\/rb\/viewtopic.php?t=3568\">http:\/\/theradioboard.com\/rb\/viewtopic.php?t=3568<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voltage controlled variable capacitors Also called varicaps. They are diodes operated in a reverse bias condition. As voltage increases the capacitance decreases. Read this first Tutorial by Phillip Atchely, KO6BB\u00a0http:\/\/www.qsl.net\/ko6bb\/varactor.html More tutorials Using Varactors by Stefan Hollos and Richard Hollos:\u00a0http:\/\/www.exstrom.com\/journal\/varac\/varac.pdf Tutorial by Ian Poole at Radio-Electronics http:\/\/www.radio-electronics.com\/info\/data\/semicond\/varactor-varicap-diodes\/basics-tutorial.php\u00a0 Another tutorial from Radio-Electronics?:\u00a0http:\/\/www.radio-electronics.com\/info\/data\/semicond\/varactor-varicap-diodes\/circuits.php Threads from The RadioBoard &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/reactivemusic.net\/?p=19290\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Varactors&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-19290","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Varactors - reactive music<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/reactivemusic.net\/?p=19290\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Varactors - reactive music\" \/>\n<meta property=\"og:description\" content=\"Voltage controlled variable capacitors Also called varicaps. They are diodes operated in a reverse bias condition. As voltage increases the capacitance decreases. Read this first Tutorial by Phillip Atchely, KO6BB\u00a0http:\/\/www.qsl.net\/ko6bb\/varactor.html More tutorials Using Varactors by Stefan Hollos and Richard Hollos:\u00a0http:\/\/www.exstrom.com\/journal\/varac\/varac.pdf Tutorial by Ian Poole at Radio-Electronics http:\/\/www.radio-electronics.com\/info\/data\/semicond\/varactor-varicap-diodes\/basics-tutorial.php\u00a0 Another tutorial from Radio-Electronics?:\u00a0http:\/\/www.radio-electronics.com\/info\/data\/semicond\/varactor-varicap-diodes\/circuits.php Threads from The RadioBoard &hellip; Continue reading &quot;Varactors&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/reactivemusic.net\/?p=19290\" \/>\n<meta property=\"og:site_name\" content=\"reactive music\" \/>\n<meta property=\"article:published_time\" content=\"2015-05-02T18:44:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-05-03T21:19:03+00:00\" \/>\n<meta name=\"author\" content=\"Tom Zicarelli\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tom Zicarelli\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/?p=19290#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/?p=19290\"},\"author\":{\"name\":\"Tom Zicarelli\",\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/#\\\/schema\\\/person\\\/56224d281582df7e5518e037ca63e571\"},\"headline\":\"Varactors\",\"datePublished\":\"2015-05-02T18:44:21+00:00\",\"dateModified\":\"2015-05-03T21:19:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/?p=19290\"},\"wordCount\":143,\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/?p=19290\",\"url\":\"https:\\\/\\\/reactivemusic.net\\\/?p=19290\",\"name\":\"Varactors - reactive music\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/#website\"},\"datePublished\":\"2015-05-02T18:44:21+00:00\",\"dateModified\":\"2015-05-03T21:19:03+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/#\\\/schema\\\/person\\\/56224d281582df7e5518e037ca63e571\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/?p=19290#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/reactivemusic.net\\\/?p=19290\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/?p=19290#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/reactivemusic.net\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Varactors\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/#website\",\"url\":\"https:\\\/\\\/reactivemusic.net\\\/\",\"name\":\"reactive music\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/reactivemusic.net\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/reactivemusic.net\\\/#\\\/schema\\\/person\\\/56224d281582df7e5518e037ca63e571\",\"name\":\"Tom Zicarelli\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0da58cf21a2707dd335b204b8ed3cd9194dcbf9d9814ac5d71195a65c76c8a72?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0da58cf21a2707dd335b204b8ed3cd9194dcbf9d9814ac5d71195a65c76c8a72?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0da58cf21a2707dd335b204b8ed3cd9194dcbf9d9814ac5d71195a65c76c8a72?s=96&d=mm&r=g\",\"caption\":\"Tom Zicarelli\"},\"sameAs\":[\"http:\\\/\\\/tomzicarelli.com\"],\"url\":\"https:\\\/\\\/reactivemusic.net\\\/?author=2\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Varactors - reactive music","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/reactivemusic.net\/?p=19290","og_locale":"en_US","og_type":"article","og_title":"Varactors - reactive music","og_description":"Voltage controlled variable capacitors Also called varicaps. They are diodes operated in a reverse bias condition. As voltage increases the capacitance decreases. 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