{"id":8320,"date":"2020-03-31T22:06:05","date_gmt":"2020-03-31T21:06:05","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/2020\/03\/31\/3-versions-of-the-gyrator-board\/"},"modified":"2020-03-31T22:06:05","modified_gmt":"2020-03-31T21:06:05","slug":"3-versions-of-the-gyrator-board","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2020\/03\/31\/3-versions-of-the-gyrator-board\/","title":{"rendered":"3 versions of the gyrator board"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"840\" height=\"468\" data-attachment-id=\"8319\" data-permalink=\"https:\/\/www.bartola.co.uk\/valves\/2020\/03\/31\/3-versions-of-the-gyrator-board\/img_0284\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?fit=2560%2C1424&amp;ssl=1\" data-orig-size=\"2560,1424\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPad Pro (11-inch)&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1585678935&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;3&quot;,&quot;iso&quot;:&quot;125&quot;,&quot;shutter_speed&quot;:&quot;0.016666666666667&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"img_0284\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?fit=840%2C468&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284.jpg?resize=840%2C468&#038;ssl=1\" alt=\"\" class=\"wp-image-8319\" srcset=\"https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?resize=1024%2C570&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?resize=768%2C427&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?resize=1536%2C854&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?resize=2048%2C1139&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?resize=1200%2C667&amp;ssl=1 1200w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?w=1680&amp;ssl=1 1680w, https:\/\/i0.wp.com\/www.bartola.co.uk\/valves\/wp-content\/uploads\/2020\/03\/img_0284-scaled.jpg?w=2520&amp;ssl=1 2520w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><figcaption>Three hybrid mu-follower (aka gyrator) board generations<\/figcaption><\/figure>\n\n\n\n<p>From left to right: 1) Standard Rev08 PCB with full flexibility of FET and TH components. 2) Rev 1.0s board with SMD except Rmu, protection drain resistor and LED as well as space for any nice big PIO capacitor. 3) the smallest version of all, all SMD except Rmu, film cap and standard TO-220 top FET and multiturn trimmer.<\/p>\n\n\n\n<p>Very  happy with the results in the board development. It does take more time and precision (you will need a microscope) to work with the MELF resistors and the SMD components in general. However, it\u2019s worth the trouble if you\u2019re looking to reduce the footprint.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>From left to right: 1) Standard Rev08 PCB with full flexibility of FET and TH components. 2) Rev 1.0s board with SMD except Rmu, protection drain resistor and LED as well as space for any nice big PIO capacitor. 3) the smallest version of all, all SMD except Rmu, film cap and standard TO-220 top &hellip; <a href=\"https:\/\/www.bartola.co.uk\/valves\/2020\/03\/31\/3-versions-of-the-gyrator-board\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;3 versions of the gyrator board&#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_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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5],"tags":[864,903,777,982,44,875,652,850,1300],"class_list":["post-8320","post","type-post","status-publish","format-standard","hentry","category-valves","tag-bartola-gyrator","tag-bartola-gyrator-pcb","tag-bf862","tag-bsh111bk","tag-gyrator","tag-gyrator-pcb","tag-hybrid-mu-follower","tag-ixtp08n100d","tag-smd"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-2ac","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/8320","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=8320"}],"version-history":[{"count":0,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/8320\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=8320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=8320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=8320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}