{"id":16382,"date":"2026-01-22T11:21:48","date_gmt":"2026-01-22T05:51:48","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=16382"},"modified":"2026-01-22T11:21:50","modified_gmt":"2026-01-22T05:51:50","slug":"vu2evq-hf-%e0%b4%b2%e0%b5%80%e0%b4%a8%e0%b4%bf%e0%b4%af%e0%b5%bc-%e0%b4%86%e0%b4%82%e0%b4%aa%e0%b5%8d%e0%b4%b2%e0%b4%bf%e0%b4%ab%e0%b5%88%e0%b5%bc-%e0%b4%ac%e0%b5%8b%e0%b5%bc%e0%b4%a1%e0%b5%8d","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/vu2evq-hf-%e0%b4%b2%e0%b5%80%e0%b4%a8%e0%b4%bf%e0%b4%af%e0%b5%bc-%e0%b4%86%e0%b4%82%e0%b4%aa%e0%b5%8d%e0%b4%b2%e0%b4%bf%e0%b4%ab%e0%b5%88%e0%b5%bc-%e0%b4%ac%e0%b5%8b%e0%b5%bc%e0%b4%a1%e0%b5%8d\/","title":{"rendered":"VU2EVQ HF \u0d32\u0d40\u0d28\u0d3f\u0d2f\u0d7c \u0d06\u0d02\u0d2a\u0d4d\u0d32\u0d3f\u0d2b\u0d48\u0d7c \u0d2c\u0d4b\u0d7c\u0d21\u0d4d \u0d12\u0d28\u0d4d\u0d28\u0d4d \u0d2a\u0d30\u0d3f\u0d1a\u0d2f\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d3e\u0d02"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/lpdxs1SX8wU?si=HSRNjPShPkxi9HwG\" 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\">VU2EVQ Linear HF Linear Amplifier is useful in combination with uBITX QRP radio. Will give about 100W output on 40m and lower bands. About 40W output expected on 20m. Not recommended for higher bands as the high input capacitance of the final MOSFETs IRFP150 makes them ineffective at higher bands. VU2GTX has successfully combined two boards to get output of about 200W on 40m, with good on air signals. All components are locally available. Needs change of Low Pass Filter for different bands. Can work on 80m with different LPF.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>VU2EVQ Linear HF Linear Amplifier is useful in combination with uBITX QRP radio. Will give about 100W output on 40m and lower bands. About 40W output expected on 20m. Not recommended for higher bands as the high input capacitance of the final MOSFETs IRFP150 makes them ineffective at higher bands. VU2GTX has successfully combined two [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16383,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-16382","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>VU2EVQ HF \u0d32\u0d40\u0d28\u0d3f\u0d2f\u0d7c \u0d06\u0d02\u0d2a\u0d4d\u0d32\u0d3f\u0d2b\u0d48\u0d7c \u0d2c\u0d4b\u0d7c\u0d21\u0d4d \u0d12\u0d28\u0d4d\u0d28\u0d4d \u0d2a\u0d30\u0d3f\u0d1a\u0d2f\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d3e\u0d02 - 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\/vu2evq-hf-\u0d32\u0d40\u0d28\u0d3f\u0d2f\u0d7c-\u0d06\u0d02\u0d2a\u0d4d\u0d32\u0d3f\u0d2b\u0d48\u0d7c-\u0d2c\u0d4b\u0d7c\u0d21\u0d4d\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"VU2EVQ HF \u0d32\u0d40\u0d28\u0d3f\u0d2f\u0d7c \u0d06\u0d02\u0d2a\u0d4d\u0d32\u0d3f\u0d2b\u0d48\u0d7c \u0d2c\u0d4b\u0d7c\u0d21\u0d4d \u0d12\u0d28\u0d4d\u0d28\u0d4d \u0d2a\u0d30\u0d3f\u0d1a\u0d2f\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d3e\u0d02 - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"VU2EVQ Linear HF Linear Amplifier is useful in combination with uBITX QRP radio. Will give about 100W output on 40m and lower bands. About 40W output expected on 20m. Not recommended for higher bands as the high input capacitance of the final MOSFETs IRFP150 makes them ineffective at higher bands. VU2GTX has successfully combined two [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/techworld\/vu2evq-hf-\u0d32\u0d40\u0d28\u0d3f\u0d2f\u0d7c-\u0d06\u0d02\u0d2a\u0d4d\u0d32\u0d3f\u0d2b\u0d48\u0d7c-\u0d2c\u0d4b\u0d7c\u0d21\u0d4d\/\" \/>\n<meta property=\"og:site_name\" content=\"Johnson&#039;s Techworld\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-22T05:51:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-22T05:51:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2026\/01\/VU2EVQ-HF-\u0d32\u0d40\u0d28\u0d3f\u0d2f\u0d7c-\u0d06\u0d02\u0d2a\u0d4d\u0d32\u0d3f\u0d2b\u0d48\u0d7c-\u0d2c\u0d4b\u0d7c\u0d21\u0d4d-\u0d12\u0d28\u0d4d\u0d28\u0d4d-\u0d2a\u0d30\u0d3f\u0d1a\u0d2f\u0d2a\u0d4d\u0d2a\u0d46\u0d1f\u0d3e\u0d02.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"678\" \/>\n\t<meta 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