{"id":16748,"date":"2026-03-26T20:14:18","date_gmt":"2026-03-26T14:44:18","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=16748"},"modified":"2026-03-26T20:14:20","modified_gmt":"2026-03-26T14:44:20","slug":"setting-gate-bias-in-irf510-of-easy-bitx","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/setting-gate-bias-in-irf510-of-easy-bitx\/","title":{"rendered":"Setting Gate Bias in IRF510 of Easy BITX"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/xWeVY7vUc4A?si=QqR4fCSEnmn0sy5y\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n<p class=\"wp-block-paragraph\">\u2022Still no output detected at the dummy load with LED indicators or when connected to external power meter and antenna!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022LCD display showed increase in \u2018S Meter\u2019 readings during modulation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Unanswered Questions<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.Is the extra current drain during modulation in pre-IRF510 stages?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.If IRF510 is not functioning, how did total circuit current drain increase when gate bias voltage was increased from zero to just below 4V?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u2022Still no output detected at the dummy load with LED indicators or when connected to external power meter and antenna! \u2022LCD display showed increase in \u2018S Meter\u2019 readings during modulation. Unanswered Questions 1.Is the extra current drain during modulation in pre-IRF510 stages? 2.If IRF510 is not functioning, how did total circuit current drain increase when [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16749,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-16748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amateur-radio-ham-radio"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Setting Gate Bias in IRF510 of Easy BITX - Johnson&#039;s Techworld<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/techworld\/setting-gate-bias-in-irf510-of-easy-bitx\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Setting Gate Bias in IRF510 of Easy BITX - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"\u2022Still no output detected at the dummy load with LED indicators or when connected to external power meter and antenna! \u2022LCD display showed increase in \u2018S Meter\u2019 readings during modulation. 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