{"id":5327,"date":"2014-07-24T10:49:00","date_gmt":"2014-07-24T00:49:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2014\/07\/24\/wa7mlhs-rd16hhf-amplifier\/"},"modified":"2025-07-21T18:45:17","modified_gmt":"2025-07-21T08:45:17","slug":"wa7mlhs-rd16hhf-amplifier","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2014\/07\/24\/wa7mlhs-rd16hhf-amplifier\/","title":{"rendered":"WA7MLH&#8217;s RD16HHF Amplifier"},"content":{"rendered":"<div class=\"separator\" style=\"clear: both; text-align: center;\"> <a href=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2014\/07\/wa7mlhrd16amp.jpg\" imageanchor=\"1\" style=\"margin-left: 1em; margin-right: 1em;\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" src=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2014\/07\/wa7mlhrd16amp.jpg\" height=\"300\" width=\"400\" \/><\/a><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b>OK, so now that I have the MOXON in the air, my thoughts are turning to amplifiers and a possible winter project. Hey, even QRP guru Doug DeMaw conceded that every once in a while a fellow needs a few more db. And the sunspot count will be dropping. <\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b><br \/><\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b>On the BITX group there has been an interesting discussion of using RD16HHF MOSFETs in place of our familiar IRF-510s. I thought these devices were new, but some Googling this morning led me back to the wonderful website of QRP giant (hey, he is IN SSDRA!) Jeff Damm, WA7MLH. Jeff has been using these devices for quite some time. As with all of Jeff&#8217;s projects, I find his EXTREME UGLY building methods to be inspirational and reassuring. Even if you have been there before, you should visit his site:<\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b><br \/><\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b><a href=\"http:\/\/www.neoanderthal.com\/wa7mlh1.html\">http:\/\/www.neoanderthal.com\/wa7mlh1.html<\/a><\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b><br \/><\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b>Even his QRZ.com page makes you want to build something:<\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b><a href=\"http:\/\/www.qrz.com\/db\/wa7mlh\">http:\/\/www.qrz.com\/db\/wa7mlh<\/a><\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b><br \/><\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"> <b>Thanks Jeff! <\/b><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><\/div>\n<p> Our book: &#8220;SolderSmoke &#8212; Global Adventures in Wireless Electronics&#8221; <a href=\"http:\/\/soldersmoke.com\/book.htm\">http:\/\/soldersmoke.com\/book.htm<\/a> Our coffee mugs, T-Shirts, bumper stickers: <a href=\"http:\/\/www.cafepress.com\/SolderSmoke\">http:\/\/www.cafepress.com\/SolderSmoke<\/a> Our Book Store: <a href=\"http:\/\/astore.amazon.com\/contracross-20\">http:\/\/astore.amazon.com\/contracross-20<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>OK, so now that I have the MOXON in the air, my thoughts are turning to amplifiers and a possible winter project. Hey, even QRP guru Doug DeMaw conceded that every once in a while a fellow needs a few more db. And the sunspot count will be dropping. On the BITX group there has &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2014\/07\/24\/wa7mlhs-rd16hhf-amplifier\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;WA7MLH&#8217;s RD16HHF Amplifier&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":5328,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84,7,77,353],"tags":[],"class_list":["post-5327","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amplifier-theory","category-demaw-doug","category-ssdra","category-wa7mlh"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/5327","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=5327"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/5327\/revisions"}],"predecessor-version":[{"id":5329,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/5327\/revisions\/5329"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media\/5328"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=5327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=5327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=5327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}