{"id":18966,"date":"2023-08-26T22:12:03","date_gmt":"2023-08-27T05:12:03","guid":{"rendered":"https:\/\/rustybolt.info\/wordpress\/?p=18966"},"modified":"2023-08-28T20:55:44","modified_gmt":"2023-08-29T03:55:44","slug":"2023-08-26-fm-bug-crystal-locked","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=18966","title":{"rendered":"2023-08-26 FM Bug, Crystal Locked"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">From Talking Electronics.  I&#8217;m not sure if this circuit can be frequency modulated the full amount for the FM broadcast band.  It&#8217;s difficult to push a crystal off its resonant frequency.  I&#8217;ll be trying it someday if I can find the right xtal.  I would be more inclined to instead use a ceramic resonator.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I have a few of Talking Electronics kits that I assembled and in general they work, but I would make some changes in their design.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">https:\/\/www.talkingelectronics.com\/projects\/CrystalLockedBug\/CrystalLockedBug-1.html<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Below is the RF part of the circuit.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"270\" height=\"300\" src=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2023\/08\/Screenshot_20230828_093846_File-Manager-4-270x300.png\" alt=\"\" class=\"wp-image-18983\" srcset=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2023\/08\/Screenshot_20230828_093846_File-Manager-4-270x300.png 270w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2023\/08\/Screenshot_20230828_093846_File-Manager-4.png 720w\" sizes=\"auto, (max-width: 270px) 100vw, 270px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>From Talking Electronics. I&#8217;m not sure if this circuit can be frequency modulated the full amount for the FM broadcast band. It&#8217;s difficult to push a crystal off its resonant frequency. I&#8217;ll be trying it someday if I can find the right xtal. I would be more inclined to instead use a ceramic resonator. I<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=18966\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[338,2654,293,74,2032,330,7,261,348],"tags":[2658,2657,2655,2656],"class_list":["post-18966","post","type-post","status-publish","format-standard","hentry","category-building-projects-and-kits","category-crystal","category-do-it-yourself","category-electronic-components","category-laser","category-oscillators","category-radio-frequency","category-transmitter","category-websites","tag-controlled","tag-crystal","tag-fm-bug","tag-transmitter"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/18966","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18966"}],"version-history":[{"count":4,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/18966\/revisions"}],"predecessor-version":[{"id":18984,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/18966\/revisions\/18984"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18966"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}