{"id":1038,"date":"2011-07-21T11:07:21","date_gmt":"2011-07-21T15:07:21","guid":{"rendered":"http:\/\/www.paleotechnologist.net\/?p=1038"},"modified":"2011-07-31T19:57:16","modified_gmt":"2011-07-31T23:57:16","slug":"mystery-chip","status":"publish","type":"post","link":"https:\/\/www.paleotechnologist.net\/?p=1038","title":{"rendered":"Mystery Chip"},"content":{"rendered":"<p>I recently placed an order with <a href=\"http:\/\/www.sparkfun.com\" target=\"_blank\">SparkFun<\/a>. As usual, it got here quickly and they got the order right. They also included a bonus of sorts &#8212; a mystery IC. It&#8217;s quite small (SSOP-24?) You could park two or three of them on a dime and have space left over. Here&#8217;s a picture.<\/p>\n<div id=\"attachment_1042\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.paleotechnologist.net\/wp-content\/uploads\/2011\/07\/Mystery_Chip.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1042\" class=\"size-full wp-image-1042\" title=\"Mystery_Chip\" src=\"https:\/\/www.paleotechnologist.net\/wp-content\/uploads\/2011\/07\/Mystery_Chip.png\" alt=\"\" width=\"640\" height=\"480\" \/><\/a><p id=\"caption-attachment-1042\" class=\"wp-caption-text\">The Mystery Chip. (That&#39;s paper it&#39;s sitting on, not burlap!)<\/p><\/div>\n<p>Looking up the markings online, I determined that it was a Silicon Labs SI4735 &#8212; a nearly-complete <a href=\"http:\/\/www.silabs.com\/products\/audiovideo\/amfmreceivers\/Pages\/Si473435.aspx\" target=\"_blank\">AM\/FM stereo receiver chip<\/a>! With the addition of a few passive components, it should be able to pick up broadcast radio stations (as well as shortwave and longwave!) Not bad for a bit of techno-debris that accidentally found its way into a shipping box.<\/p>\n<p>I plan on making it into a working radio Real Soon Now\u2122. When I do (and if I can actually solder to it), I&#8217;ll post it as a project on this site.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A small &#8220;Mystery Chip&#8221; showed up in a SparkFun order&#8230; <a href=\"https:\/\/www.paleotechnologist.net\/?p=1038\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[219,265,210,238,227],"tags":[],"class_list":["post-1038","post","type-post","status-publish","format-standard","hentry","category-analog","category-components-electronics","category-digital","category-electronics","category-rf"],"_links":{"self":[{"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=\/wp\/v2\/posts\/1038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1038"}],"version-history":[{"count":13,"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=\/wp\/v2\/posts\/1038\/revisions"}],"predecessor-version":[{"id":1160,"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=\/wp\/v2\/posts\/1038\/revisions\/1160"}],"wp:attachment":[{"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.paleotechnologist.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}