{"id":238,"date":"2012-06-09T13:58:32","date_gmt":"2012-06-09T13:58:32","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/?p=238"},"modified":"2012-06-09T14:08:24","modified_gmt":"2012-06-09T14:08:24","slug":"curve-tracer-finalised","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2012\/06\/09\/curve-tracer-finalised\/","title":{"rendered":"Curve tracer finalised"},"content":{"rendered":"<p>After a long process, here it is. The curve tracer is finalised. It includes the following features:<\/p>\n<p><strong>Valve curve tracer<\/strong><\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" class=\"ngg-singlepic ngg-none\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/gallery\/curve-tracer_1\/img_2995.jpg?w=840\" alt=\"img_2995\" \/><\/p>\n<ul>\n<li>Sockets: 4 pin, 5 pin, 7 pin, octal, loctal, 9 and compactron (10 and 12 pins)<\/li>\n<li>Anode sweep: 0-330V<\/li>\n<li>Anode current: 100mA (max)<\/li>\n<li>Grid step generator: 8 steps, 0 to -80V and 0 to -5V steps<\/li>\n<li>Grid output for calibration<\/li>\n<li>Oscilloscope: X (x10 attenuation) and Y<\/li>\n<li>Y amplifier:<\/li>\n<ul>\n<li>x1\/x10 differential amplifier<\/li>\n<li>1\u03a9 \/ 10\u03a9 sense resistor<\/li>\n<li>Polarity inversion optional<\/li>\n<li>Image sync adjust (coarse and fine)<\/li>\n<\/ul>\n<\/ul>\n<p><strong>Valve transconductance tester &amp; THD meter<\/strong><\/p>\n<ul>\n<li>Anode current CCS 0-100mA (0.1mA resolution)<\/li>\n<li>Anode voltage 0-600V (1V resolution)<\/li>\n<li>Grid bias: 0 to -80V (0.1V resolution)<\/li>\n<li>Transconductance meter:<\/li>\n<ul>\n<li>0-2,000\u00a0\u03bcmho scale (1 \u03bcmho resolution)<\/li>\n<li>2,000 &#8211; 40,000 \u03bcmho scale (100\u00a0\u03bcmho resolution)<\/li>\n<li>Input test signal: 100mVrms @1kHz<\/li>\n<\/ul>\n<li>\u00a0THD meter:<\/li>\n<ul>\n<li>Soundcard I\/O BNC connectors<\/li>\n<li>CCS load or external load<\/li>\n<\/ul>\n<\/ul>\n<p><span class=\"Apple-style-span\" style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"ngg-singlepic ngg-none\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/gallery\/curve-tracer_1\/img_3000.jpg?w=840\" alt=\"img_3000\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After a long process, here it is. The curve tracer is finalised. It includes the following features: Valve curve tracer Sockets: 4 pin, 5 pin, 7 pin, octal, loctal, 9 and compactron (10 and 12 pins) Anode sweep: 0-330V Anode current: 100mA (max) Grid step generator: 8 steps, 0 to -80V and 0 to -5V &hellip; <a href=\"https:\/\/www.bartola.co.uk\/valves\/2012\/06\/09\/curve-tracer-finalised\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Curve tracer finalised&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[67,24,38],"tags":[784,43,41,25,781,39],"class_list":["post-238","post","type-post","status-publish","format-standard","hentry","category-thd","category-valve-curve-tracer","category-valve-tester","tag-thd","tag-transconductance","tag-transconductance-tester","tag-tube-curve-tracer","tag-valve-curve-tracer","tag-valve-tester-2"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-3Q","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/comments?post=238"}],"version-history":[{"count":6,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/238\/revisions"}],"predecessor-version":[{"id":241,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/238\/revisions\/241"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}