{"id":1021,"date":"2013-01-07T20:03:40","date_gmt":"2013-01-07T20:03:40","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/?p=1021"},"modified":"2013-01-07T20:03:40","modified_gmt":"2013-01-07T20:03:40","slug":"4p1l-spice-model-updated","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2013\/01\/07\/4p1l-spice-model-updated\/","title":{"rendered":"4P1L SPICE model updated"},"content":{"rendered":"

Dmitry Nizh<\/a> kindly worked out the 4P1L triode<\/a> SPICE model using his great tool:<\/p>\n

\"4P1L_triode_match\"<\/a><\/p>\n

 <\/p>\n

Here is Dimtry’s model:<\/p>\n

** 4P1L_TRIODE ************************************************************<\/p>\n

* Created on Mon Jan 07 07:31:48 PST 2013 using tube.model.finder.PaintKIT
\n* URL: http:\/\/www.bartola.co.uk\/valves\/valve-curves\/4p1l\/
\n*————————————————–
\n.SUBCKT TRIODE_4P1L_TRIODE 1 2 3 ; P G K ;
\n+ PARAMS: CCG=8P CGP=7P CCP=9P RGI=2000
\n+ MU=8.232 EX=1.3719 KG1=851.25 KP=108.0 KVB=528.0 VCT=-1.0 ; Vp_MAX=450.0 Ip_MAX=0.08 Vg_step=5.0
\n*————————————————–
\nE1 7 0 VALUE={V(1,3)\/KP*LOG(1+EXP(KP*(1\/MU+(VCT+V(2,3))\/SQRT(KVB+V(1,3)*V(1,3)))))}
\nRE1 7 0 1G
\nG1 1 3 VALUE={(PWR(V(7),EX)+PWRS(V(7),EX))\/KG1}
\nRCP 1 3 1G ; TO AVOID FLOATING NODES
\nC1 2 3 {CCG} ; CATHODE-GRID
\nC2 2 1 {CGP} ; GRID=PLATE
\nC3 1 3 {CCP} ; CATHODE-PLATE
\nD3 5 3 DX ; FOR GRID CURRENT
\nR1 2 5 {RGI} ; FOR GRID CURRENT
\n.MODEL DX D(IS=1N RS=1 CJO=10PF TT=1N)
\n.ENDS
\n*$<\/p>\n","protected":false},"excerpt":{"rendered":"

Dmitry Nizh kindly worked out the 4P1L triode SPICE model using his great tool:   Here is Dimtry’s model: ** 4P1L_TRIODE ************************************************************ * Created on Mon Jan 07 07:31:48 PST 2013 using tube.model.finder.PaintKIT * URL: http:\/\/www.bartola.co.uk\/valves\/valve-curves\/4p1l\/ *————————————————– .SUBCKT TRIODE_4P1L_TRIODE 1 2 3 ; P G K ; + PARAMS: CCG=8P CGP=7P CCP=9P RGI=2000 + MU=8.232 … Continue reading “4P1L SPICE model updated”<\/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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[12,24,5],"tags":[782,289,110,109,290],"class_list":["post-1021","post","type-post","status-publish","format-standard","hentry","category-dht-valves","category-valve-curve-tracer","category-valves","tag-4p1l","tag-4p1l-spice-model","tag-4p1l-triode-curves","tag-4p1l-triode-mode","tag-dmitry-spice-model"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-gt","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/1021","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=1021"}],"version-history":[{"count":1,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/1021\/revisions"}],"predecessor-version":[{"id":1023,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/1021\/revisions\/1023"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=1021"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=1021"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=1021"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}