* thanks to Duncan Munro, Norman Koren * by kahlo (kahlo@gmx.de) April 2008 * for noncommercial use ONLY * Connections:Plate * | Grid * | | Cathode * | | | .SUBCKT ECC88 1 2 3 + PARAMS: MU=31.86 EX=1.3864 KG1=125.86 KP=239.39 KVB=495.839 + RGI=2000 + CCG=6P CGP=1.4P CCP=0.18P E1 7 0 VALUE={V(1,3)/KP*LOG(1+EXP(KP*(1/MU+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))/(2*KG1)} RCP 1 3 1G ; TO AVOID FLOATING NODES IN MU-FOLLOWER 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 ECC88