{"id":16625,"date":"2026-02-28T12:11:31","date_gmt":"2026-02-28T06:41:31","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=16625"},"modified":"2026-02-28T12:11:32","modified_gmt":"2026-02-28T06:41:32","slug":"easy-bitx-winding-toko-band-pass-filter-coils","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/easy-bitx-winding-toko-band-pass-filter-coils\/","title":{"rendered":"Easy BITX: Winding TOKO Band Pass Filter Coils"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6UtFS4i6NNA?si=t87QG6nNRWprTkmF\" 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\">TOKO Band Pass Filter Coils seemed a bit tough as I am beginning the hand winding of the coils in Easy BITX after completing the assembly of other components up to the final MOSFET IRF 510. Discussed with VU2EVQ on 40m and got the advice of winding similar number of turns in each groove of the TOKO bobin which has four grooves, <a href=\"https:\/\/amateurradiokits.in\/wp-content\/uploads\/2021\/09\/Easy-Bitx-Coils1.pdf\" type=\"link\" id=\"https:\/\/amateurradiokits.in\/wp-content\/uploads\/2021\/09\/Easy-Bitx-Coils1.pdf\">with 36 SWG enamelled copper wire<\/a>, depending on the total number of turns needed for each band as mentioned in the manual. VU2SWX shared a <a href=\"https:\/\/www.carnut.info\/star-parts\/pcbs\/toko-winding.htm\" type=\"link\" id=\"https:\/\/www.carnut.info\/star-parts\/pcbs\/toko-winding.htm\">web page by VK3PE<\/a> which gave useful tips for winding as well.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>TOKO Band Pass Filter Coils seemed a bit tough as I am beginning the hand winding of the coils in Easy BITX after completing the assembly of other components up to the final MOSFET IRF 510. Discussed with VU2EVQ on 40m and got the advice of winding similar number of turns in each groove of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16632,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-16625","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>Easy BITX: Winding TOKO Band Pass Filter Coils - 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\/easy-bitx-winding-toko-band-pass-filter-coils\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Easy BITX: Winding TOKO Band Pass Filter Coils - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"TOKO Band Pass Filter Coils seemed a bit tough as I am beginning the hand winding of the coils in Easy BITX after completing the assembly of other components up to the final MOSFET IRF 510. 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