{"id":50081,"date":"2024-01-12T09:25:17","date_gmt":"2024-01-12T07:25:17","guid":{"rendered":"https:\/\/www.cqdx.ru\/ham\/?p=50081"},"modified":"2024-01-12T09:26:25","modified_gmt":"2024-01-12T07:26:25","slug":"an-hf-ham-radio-ssb-am-fm-cw-transmitter-made-from-a-raspberry-pi-pico-and-not-much-more","status":"publish","type":"post","link":"https:\/\/www.cqdx.ru\/ham\/diy\/an-hf-ham-radio-ssb-am-fm-cw-transmitter-made-from-a-raspberry-pi-pico-and-not-much-more\/","title":{"rendered":"AN HF HAM RADIO SSB\/AM\/FM\/CW TRANSMITTER MADE FROM A RASPBERRY PI PICO AND NOT MUCH MORE"},"content":{"rendered":"<div class=\"lyte-wrapper\" title=\"Build a Ham Transmitter with a Raspberry Pi Pico\" style=\"width:640px;max-width:100%;margin:5px auto;\"><div class=\"lyMe hidef\" id=\"WYL_PbhmQfPkNL0\"><div id=\"lyte_PbhmQfPkNL0\" data-src=\"https:\/\/i.ytimg.com\/vi\/PbhmQfPkNL0\/maxresdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\">Build a Ham Transmitter with a Raspberry Pi Pico<\/div><\/div><div class=\"play\"><\/div><div class=\"ctrl\"><div class=\"Lctrl\"><\/div><div class=\"Rctrl\"><\/div><\/div><\/div><noscript><a href=\"https:\/\/youtu.be\/PbhmQfPkNL0\" rel=\"nofollow\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.ytimg.com\/vi\/PbhmQfPkNL0\/0.jpg\" alt=\"Build a Ham Transmitter with a Raspberry Pi Pico\" width=\"640\" height=\"340\" \/><br \/>Watch this video on YouTube<\/a><\/noscript><\/div><\/div><div class=\"lL\" style=\"max-width:100%;width:640px;margin:5px auto;\"><\/div>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Over on Hackaday we&#8217;ve seen a story about a\u00a0<a href=\"https:\/\/hackaday.com\/2024\/01\/10\/pico-sized-ham-radio\/\" target=\"_blank\" rel=\"noopener\">Raspberry Pi Pico based software defined radio transmitter<\/a>\u00a0that is capable of transmitting SSB, AM, FM and CW anywhere between 0.5 &#8211; 30 MHz.<\/p>\n<p style=\"text-align: justify;\">The design generates an oscillator signal using the Pico&#8217;s Programmable IO. For AM\/SSB it uses the PWM output pins to generate an RF envelope which gets mixed together with the oscillator using an analog multiplexor. A small microphone is also connected to the Pico for voice transmissions. The designer notes that the output power is far too low to be used on the air, but adding an output amplifier would help.<\/p>\n<p style=\"text-align: justify;\">The software is all open source and\u00a0<a href=\"https:\/\/github.com\/dawsonjon\/101Things\/tree\/master\/18_transmitter\" target=\"_blank\" rel=\"noopener\">provided on GitHub<\/a>, and more information about the design can be found on the\u00a0<a href=\"https:\/\/101-things.readthedocs.io\/en\/latest\/ham_transmitter.html\" target=\"_blank\" rel=\"noopener\">designer&#8217;s &#8216;101things&#8217; website<\/a>.<\/p>\n<p style=\"text-align: justify;\">The Raspberry Pi Pico is a low cost microcontroller board, and we note it cannot run Linux like standard Raspberry Pi boards. This means that software like\u00a0<a href=\"https:\/\/github.com\/F5OEO\/rpitx\" target=\"_blank\" rel=\"noopener\">RpiTX<\/a>\u00a0cannot be used.<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.rtl-sdr.com\/\" target=\"_blank\" rel=\"noopener\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Over on Hackaday we&#8217;ve seen a story about a\u00a0Raspberry Pi Pico based software defined radio transmitter\u00a0that is capable of transmitting SSB, AM, FM and CW anywhere between 0.5 &#8211; 30 MHz. The design generates an oscillator signal using the Pico&#8217;s Programmable IO. For AM\/SSB it uses the PWM output pins to generate an RF&hellip;<\/p>\n","protected":false},"author":1,"featured_media":50082,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[],"class_list":["post-50081","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diy","category-2","description-off"],"_links":{"self":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/50081","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/comments?post=50081"}],"version-history":[{"count":0,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/50081\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media\/50082"}],"wp:attachment":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media?parent=50081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/categories?post=50081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/tags?post=50081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}