{"id":2569,"date":"2022-03-09T12:14:00","date_gmt":"2022-03-09T01:14:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2022\/03\/09\/video-2-17-12-ssb-transceiver-receive-rf-amplifier-needed\/"},"modified":"2025-07-22T18:03:59","modified_gmt":"2025-07-22T08:03:59","slug":"video-2-17-12-ssb-transceiver-receive-rf-amplifier-needed","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2022\/03\/09\/video-2-17-12-ssb-transceiver-receive-rf-amplifier-needed\/","title":{"rendered":"Video #2  17\/12 SSB Transceiver &#8212; Receive RF Amplifier Needed?"},"content":{"rendered":"<p><iframe loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" frameborder=\"0\" height=\"247\" src=\"https:\/\/www.youtube.com\/embed\/mbLTxzHs3VQ?rel=0\" title=\"YouTube video player\" width=\"440\"><\/iframe><\/p>\n<div><\/div>\n<div><b>Lots of progress to report on the 1712 rig. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>With just two TIA amps (one on either side of the 10 pole filter) and the AF amplifiers, I now have it inhaling on 17 meters. But nothing heard so-far on 12. On both bands I can hear the band noise, but just barely. So I may try some RF amplification ahead of the mixer. What do you guys think about this? I think the two TIAs and the crystal filter are providing 30 db of gain. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>I want to get the receiver circuitry working well on both bands before I build the T\/R and transmit amplifier circuitry.<\/b><\/div>\n<div><b> <\/b><\/div>\n<div><b>It is nice to have a project on the bench! <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>I am trying to find a shaft extender or adapter for that big beautiful HT-37 main tuning cap. The shaft on the capacitor has a width of 1 cm or 0.393701 inches. I need something that will grab onto that and allow for the connection of a tuning knob. Please search your junk boxes! <\/b><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Lots of progress to report on the 1712 rig. With just two TIA amps (one on either side of the 10 pole filter) and the AF amplifiers, I now have it inhaling on 17 meters. But nothing heard so-far on 12. On both bands I can hear the band noise, but just barely. So I &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2022\/03\/09\/video-2-17-12-ssb-transceiver-receive-rf-amplifier-needed\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Video #2  17\/12 SSB Transceiver &#8212; Receive RF Amplifier Needed?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51,44,52,16,23,57,53],"tags":[],"class_list":["post-2569","post","type-post","status-publish","format-standard","hentry","category-12-meters","category-17-meters","category-1712-rig","category-filters","category-ssb","category-superhet-receivers","category-vfo"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/2569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=2569"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/2569\/revisions"}],"predecessor-version":[{"id":11408,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/2569\/revisions\/11408"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=2569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=2569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=2569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}