{"id":201,"date":"2015-01-31T10:59:43","date_gmt":"2015-01-31T09:59:43","guid":{"rendered":"http:\/\/dc2wk.schwab-intra.net\/?page_id=201"},"modified":"2015-01-31T12:28:54","modified_gmt":"2015-01-31T11:28:54","slug":"digital-watt-swrmeter-up-to-100-watts","status":"publish","type":"page","link":"https:\/\/dc2wk.schwab-intra.net\/?page_id=201","title":{"rendered":"Digital Watt- SWRmeter up to 100 Watts"},"content":{"rendered":"<p>I was interest on the Technics to build a digital Watt meter. I find a interesting schematic in the Internet from DL6GL. He share the Atmel program too.<br \/>\nSo I take a Atmel Chip and a 2 Lines Display to try to build one.<\/p>\n<p>Thanks to DL6GL for sharing this !<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2649.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-205\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2649-300x200.jpg\" alt=\"IMG_2649\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2649-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2649-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2649.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThe finish Watt meter after start up<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2661.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-204\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2661-300x200.jpg\" alt=\"IMG_2661\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2661-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2661-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2661.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThis is my self made measuring bridge<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2660.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-203\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2660-300x200.jpg\" alt=\"IMG_2660\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2660-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2660-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2660.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>The\u00a0measuring bridge in a case<\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2652.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-202\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2652-300x200.jpg\" alt=\"IMG_2652\" width=\"300\" height=\"200\" srcset=\"https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2652-300x200.jpg 300w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2652-1024x683.jpg 1024w, https:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/IMG_2652.jpg 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nA test with the FT-817<\/p>\n<p>The watt meter works good, but it only usable up to 100 watts. I think you can use it for higher ranges, if you make the circuit board better then I.<\/p>\n<p>Here is the manual to build the measuring bridge from\u00a0DL4JAL:\u00a0<a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/messkopf.pdf\">messkopf<\/a><\/p>\n<p><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/SWRMeter-leaded-Schematic.tif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-207\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/SWRMeter-leaded-Schematic.tif\" alt=\"SWRMeter leaded Schematic\" width=\"1\" height=\"1\" \/><\/a><a href=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/SWRMeter-leaded-Schematic.bmp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-210\" src=\"http:\/\/dc2wk.schwab-intra.net\/wp-content\/uploads\/2015\/01\/SWRMeter-leaded-Schematic.bmp\" alt=\"SWRMeter leaded Schematic\" width=\"7016\" height=\"4961\" \/><\/a>Here is the Schematics from DL6GL<\/p>\n<p>Get the complete files from\u00a0<a title=\"The Link to DL6GL Website\" href=\"http:\/\/dl6gl.de\/\" target=\"_blank\">http:\/\/dl6gl.de\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was interest on the Technics to build a digital Watt meter. I find a interesting schematic in the Internet from DL6GL. He share the Atmel program too. So I take a Atmel Chip and a 2 Lines Display to &hellip; <a href=\"https:\/\/dc2wk.schwab-intra.net\/?page_id=201\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/pages\/201"}],"collection":[{"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=201"}],"version-history":[{"count":4,"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/pages\/201\/revisions"}],"predecessor-version":[{"id":209,"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=\/wp\/v2\/pages\/201\/revisions\/209"}],"wp:attachment":[{"href":"https:\/\/dc2wk.schwab-intra.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}