** VT-25************************************************************
* Created on Sat Jul 07 19:48:23 BST 2012 using tube.model.finder.PaintKIT
* model URL: http://www.bartola.co.uk/valves
*--------------------------------------------------
.SUBCKT TRIODE_VT-25 1 2 3 ; P G K ;  
+ PARAMS: CCG=4P  CGP=7P CCP=3P RGI=2000
+ MU=8.08 EX=1.3159 KG1=3045.0 KP=48.0 KVB=3216.0 VCT=-4.4 ; Vp_MAX=500.0 Ip_MAX=0.08 Vg_step=5.0
*--------------------------------------------------
E1 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)))))} 
RE1 7 0 1G 
G1 1 3 VALUE={(PWR(V(7),EX)+PWRS(V(7),EX))/KG1} 
RCP 1 3 1G   ; TO AVOID FLOATING NODES
C1 2 3 {CCG} ; CATHODE-GRID 
C2 2 1 {CGP} ; GRID=PLATE 
C3 1 3 {CCP} ; CATHODE-PLATE 
D3 5 3 DX ; FOR GRID CURRENT 
R1 2 5 {RGI} ; FOR GRID CURRENT 
.MODEL DX D(IS=1N RS=1 CJO=10PF TT=1N) 
.ENDS 
*$