{"id":14182,"date":"2015-07-27T07:48:20","date_gmt":"2015-07-27T11:48:20","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=14182"},"modified":"2015-07-27T07:48:20","modified_gmt":"2015-07-27T11:48:20","slug":"silicon-labs-dsp-chip-homebrew-receiver","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2015\/07\/silicon-labs-dsp-chip-homebrew-receiver\/","title":{"rendered":"Silicon Labs DSP chip homebrew receiver"},"content":{"rendered":"<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/07\/DSP-Homebrew.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14200\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/07\/DSP-Homebrew.jpg\" alt=\"DSP-Homebrew\" width=\"727\" height=\"319\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/07\/DSP-Homebrew.jpg 727w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/07\/DSP-Homebrew-300x132.jpg 300w\" sizes=\"auto, (max-width: 727px) 100vw, 727px\" \/><\/a>The Silicon Labs Si4730 series DSP receiver chip powers many of the portable shortwave radios currently on the market.<\/p>\n<p>Manufacturers are not the only ones implementing the chip in receiver design, however; radio enthusiasts are too.<\/p>\n<p>I recently discovered this short video by a Japanese hobbyist who implemented the Si4734 in his\u00a0receiver design:<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/ZUDurvy9zPA?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>While I don&#8217;t speak Japanese, the author also has a webpage of detailed design notes you might check out (<a href=\"http:\/\/nonchansoft.my.coocan.jp\/audio\/newdspsw1.htm\" target=\"_blank\">click here to view<\/a>). I used Google translate for a rough English translation of the page.<\/p>\n<p>Have any readers\u00a0made a homebrew receiver from a Silicon Labs DSP chip? If so, please comment!<\/p>\n<p><a href=\"https:\/\/www.silabs.com\/Support%20Documents\/TechnicalDocs\/Si4730-31-34-35-D60.pdf\" target=\"_blank\">Click here to download the Si4734 product information sheet<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Silicon Labs Si4730 series DSP receiver chip powers many of the portable shortwave radios currently on the market. Manufacturers are not the only ones implementing the chip in receiver design, however; radio enthusiasts are too. I recently discovered this short video by a Japanese hobbyist who implemented the Si4734 in his\u00a0receiver design: While I [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[627,3,139,26,43],"tags":[3970,489,4021,435],"class_list":["post-14182","post","type-post","status-publish","format-standard","hentry","category-how-to","category-news","category-radio-modifications","category-radios","category-shortwave-radio","tag-homebrew-shortwave","tag-si4734","tag-silican-labs-si4734","tag-silicon-labs"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-3GK","jetpack-related-posts":[{"id":1420,"url":"https:\/\/swling.com\/blog\/2011\/07\/silicon-labs-si4734-dsp-shortwave-radios\/","url_meta":{"origin":14182,"position":0},"title":"Silicon Labs Si4734 DSP-based shortwave radios","author":"Thomas","date":"July 23, 2011","format":false,"excerpt":"I have gone through our Shortwave Radio Index (SWRI) and tagged every portable radio that is based on the Silicon Labs Si4734 DSP chipset. The Si4734 has been one of the biggest innovations to happen to portable receivers in recent years. When implemented well into a receiver design, the Si4734\u2026","rel":"","context":"In &quot;Radios&quot;","block_context":{"text":"Radios","link":"https:\/\/swling.com\/blog\/category\/radios\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2011\/07\/SI4735-circuits-300x194.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":14801,"url":"https:\/\/swling.com\/blog\/2015\/09\/guest-post-joris-home-brew-si4835-based-receiver\/","url_meta":{"origin":14182,"position":1},"title":"Guest Post: Joris&#8217; home brew Si4835-based receiver","author":"Thomas","date":"September 21, 2015","format":false,"excerpt":"Many thanks to Joris van Scheindelen (PE1KTH)--an\u00a0SWLing Post contributor from the Netherlands--for the following guest post: High Tech AM-FM DSP Receiver From The old mode AM is still an interesting mode for amateur radio communication, also in amplitude CW. Building your receiver is not difficult and quite fun. The semiconductor\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"AM FM ontvanger P3060601","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/09\/AM-FM-ontvanger-P3060601-e1442179065549.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/09\/AM-FM-ontvanger-P3060601-e1442179065549.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/09\/AM-FM-ontvanger-P3060601-e1442179065549.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":1227,"url":"https:\/\/swling.com\/blog\/2011\/07\/silicon-labs-ships-one-billionth-dsp-radio-chip\/","url_meta":{"origin":14182,"position":2},"title":"Silicon Labs ships one billionth DSP radio chip","author":"Thomas","date":"July 3, 2011","format":false,"excerpt":"Silicon Labs, the chip manufacturer behind some of the best portable shortwave radios in the market (including Tecsun and Grundig) has sold its one billionth DSP radio chip. Silicon Labs has been one of the best things to happen to the portable shortwave market this century. Their DSP chips lower\u2026","rel":"","context":"In &quot;Manufacturers&quot;","block_context":{"text":"Manufacturers","link":"https:\/\/swling.com\/blog\/category\/manufacturers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2011\/07\/silabslogo.gif?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1372,"url":"https:\/\/swling.com\/blog\/2011\/07\/the-elusive-kchibo-d96l-on-sale-for-47-us\/","url_meta":{"origin":14182,"position":3},"title":"The elusive Kchibo D96L on sale for $47 US","author":"Thomas","date":"July 22, 2011","format":false,"excerpt":"Actually, the price is showing as $46.78 from DinoDirect. The Kchibo D96L is considered a bargian small radio and always reviews well. \u00a0Based on the Silicon Labs Si4734 DSP chip, this receiver has excellent selectivity and sensitivity for a radio in its price range--especially on the AM broadcast or Mediumwave\u2026","rel":"","context":"In &quot;Radios&quot;","block_context":{"text":"Radios","link":"https:\/\/swling.com\/blog\/category\/radios\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/db\/wp-content\/uploads\/2011\/01\/D96L.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":31454,"url":"https:\/\/swling.com\/blog\/2018\/04\/video-band-scanning-with-the-c-crane-ccradio-ep-pro\/","url_meta":{"origin":14182,"position":4},"title":"Video: Band scanning with the C. Crane CCRadio-EP Pro","author":"Thomas","date":"April 3, 2018","format":false,"excerpt":"I'm in the process of writing up a review of the C. Crane CCRadio-EP Pro, but a number of readers have been asking about how pronounced muting is between frequencies while band scanning. To be clear, the CCRadio-EP Pro is not a true analog set like the original CCRadio-EP (even\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/CCRadio-EP-Pro-Dial-e1521806501474.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/CCRadio-EP-Pro-Dial-e1521806501474.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/CCRadio-EP-Pro-Dial-e1521806501474.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/CCRadio-EP-Pro-Dial-e1521806501474.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":2296,"url":"https:\/\/swling.com\/blog\/2011\/12\/silabs-brings-shortwave-to-car-radios\/","url_meta":{"origin":14182,"position":5},"title":"SiLabs brings shortwave to car radios","author":"Thomas","date":"December 3, 2011","format":false,"excerpt":"Silicon Labs, a manufacture of DSP (Digital Signal Processing) chips that are in many of the shortwave radios we feature here on SWLing.com, is now taking their technology to car radios. They have announced the\u00a0Si476x chip family which features\u00a0AM\/FM, longwave, shortwave (SW), NOAA weather band, FM RDS decoding and AM\/FM\u2026","rel":"","context":"In &quot;Manufacturers&quot;","block_context":{"text":"Manufacturers","link":"https:\/\/swling.com\/blog\/category\/manufacturers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2011\/07\/silabslogo.gif?resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/14182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=14182"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/14182\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=14182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=14182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=14182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}