****************** * Pentode and Beam Tetrode models by Norman Koren ****************** ****************** .SUBCKT EF80 1 2 3 4 ; A G2 G1 C (Pentode) * Philips data sheet AKA 6BX6 * library format: LTSpice 05-Feb-2009 X1 1 2 3 4 PENTODE2 MU=49.11 EX=1.420 KG1=667.0 KG2=4500 KP=375.96 KVB=42.9 VCT=0.50 RGI=2000 CCG=4.5p CPG1=0.6p CCP=5.6p ; .ENDS EF80 ****************** .SUBCKT EF83 1 2 3 4 ; A G2 G1 C (Pentode) * Philips data sheet * library format: LTSpice 30-May-2008 X1 1 2 3 4 PENTODE1 MU=12.01 EX=1.350 KG1=2830.0 KG2=4500 KP=35.24 KVB=39.1 VCT=0.00 RGI=2000 CCG=4.5p CPG1=0.6p CCP=5.6p ; .ENDS EF83 ****************** .SUBCKT EF85 1 2 3 4 ; A G2 G1 C (Pentode) * La RadioTechique * library format: LTSpice 30-May-2008 X1 1 2 3 4 PENTODE2 MU=22.39 EX=1.350 KG1=974.2 KG2=4500 KP=160.84 KVB=40.9 VCT=0.00 RGI=2000 CCG=4.5p CPG1=0.6p CCP=5.6p ; .ENDS EF85 ****************** .SUBCKT EF86 1 2 3 4 ; A G2 G1 C (Pentode) * Philips data sheet AKA 6CF8 and 6267 Z729 EF806 * library format: LTSpice 02-Jun-2008 X1 1 2 3 4 PENTODE1 MU=34.90 EX=1.350 KG1=2648.1 KG2=4500 KP=222.06 KVB=4.7 VCT=0.00 RGI=2000 CCG=4.3p CPG1=0.6p CCP=5.1p ; .ENDS EF86 ****************** .SUBCKT EF89 1 2 3 4 ; A G2 G1 C (Pentode) * La Radiotechnique AKA 6DA6 * library format: LTSpice 30-May-2008 X1 1 2 3 4 PENTODE1 MU=30.52 EX=1.350 KG1=926.7 KG2=4500 KP=39.49 KVB=23.6 VCT=0.00 RGI=2000 CCG=5.5p CPG1=0.0p CCP=5.1p ; .ENDS EF89 ****************** .SUBCKT 6CA7 1 2 3 4 ; A G2 G1 C (Pentode) AKA EL34 * Mullard X1 1 2 3 4 EL34 ; call the el34 .ENDS 6CA7 ****************** .SUBCKT EL34 1 2 3 4 ; P G1 C G2 (Pentode) * Mullard Data Book Apr 1962 * library format: PSPICE 21-Sep-2008 X1 1 2 3 4 PENTODE1 MU=12.02 EX=1.169 KG1=353.9 KG2=4500 KP=61.11 KVB=29.9 VCT=0.00 RGI=1000 CCG=15.0p CPG1=1.0p CCP=8.0p ; .ENDS EL34 ****************** .SUBCKT 6BQ5 1 2 3 4 ; A G2 G1 C (Beam Tetrode) * Mullard Data Sheet AKA 7189 EL84 N709 * library format: LTSpice 02-Jun-2008 X1 1 2 3 4 PENTODE1 MU=21.29 EX=1.240 KG1=401.7 KG2=4500 KP=111.04 KVB=17.9 VCT=0.00 RGI=1000 CCG=10.0p CPG1=0.6p CCP=5.1p ; .ENDS 6BQ5 ****************** .SUBCKT 6L6GB 1 2 3 4 ; A G2 G1 C (Beam Tetrode) * Sylvania X1 1 2 3 4 PENTODE MU=8.77 EX=1.265 KG1=1210.3 KP=47.50 KG2=4500 KVB=11.6 VCT=0.00 CCG=14P CPG1=.85P CCP=12P RGI=1K .ENDS 6L6GB ****************** .SUBCKT 6L6GC 1 2 3 4 ; A G2 G1 C (Beam Tetrode) * GE Data sheet * library format: LTSpice 07-Oct-2008 X1 1 2 3 4 PENTODE1 MU=9.88 EX=1.442 KG1=1686.6 KG2=4500 KP=30.98 KVB=19.4 VCT=0.00 RGI=1000 CCG=10.0p CPG1=0.6p CCP=6.5p ; .ENDS 6L6GC ****************** .SUBCKT 6L6WGT 1 2 3 4 ; A G2 G1 C (Beam Tetrode) * same as 6L6GB X1 1 2 3 4 PENTODE MU=8.77 EX=1.265 KG1=1210.3 KP=47.50 KG2=4500 KVB=11.6 VCT=0.00 CCG=14P CPG1=.85P CCP=12P RGI=1K .ENDS 6L6WGT ****************** .SUBCKT EL84 1 2 3 4 ; A G2 G1 C (Beam Tetrode) * Mullard Data Sheet AKA 7189 6BQ5 N709 * library format: LTSpice 02-Jun-2008 X1 1 2 3 4 PENTODE1 MU=21.29 EX=1.240 KG1=401.7 KG2=4500 KP=111.04 KVB=17.9 VCT=0.00 RGI=1000 CCG=10.0p CPG1=0.6p CCP=5.1p ; .ENDS EL84 ****************** .SUBCKT KT66 1 2 3 4 ; A G2 G1 C (Beam Tetrode) * M-O Valve Co AKA Genalex * library format: LTSpice 21-Sep-2008 X1 1 2 3 4 PENTODE1 MU=11.68 EX=1.197 KG1=510.9 KG2=4500 KP=34.89 KVB=22.3 VCT=0.00 RGI=1000 CCG=16.0p CPG1=2.3p CCP=10.0p ; .ENDS KT66 ****************** .SUBCKT KT77 1 2 3 4 ; A G2 G1 C (Beam Tetrode) * The M-O Valve Co AKA Genalex * library format: LTSpice 19-Sep-2008 X1 1 2 3 4 PENTODE1 MU=12.49 EX=1.487 KG1=1058.5 KG2=4500 KP=56.64 KVB=19.4 VCT=0.00 RGI=1000 CCG=16.5p CPG1=1.0p CCP=9.0p ; .ENDS KT77 ****************** .SUBCKT KT88 1 2 3 4 ; A G2 G1 C (Beam Tetrode) * The M-O Valve Co AKA Genalex * library format: LTSpice 19-Sep-2008 X1 1 2 3 4 PENTODE1 MU=12.38 EX=1.246 KG1=340.4 KG2=4500 KP=26.48 KVB=36.5 VCT=0.00 RGI=1000 CCG=14.0p CPG1=0.8p CCP=12.0p ; .ENDS KT88 ****************** .SUBCKT EL509 1 2 3 4 ; A G2 G1 C (Beam Tetrode) * Svetlana's Data sheet AKA 6KG6, 6P45S * library format: LTSpice 29-May-2008 X1 1 2 3 4 PENTODE1 MU=8.08 EX=1.350 KG1=263.9 KG2=4500 KP=11.68 KVB=42.1 VCT=0.00 RGI=1000 CCG=10.0p CPG1=3.0p CCP=6.5p ; .ENDS EL509 ****************** .SUBCKT PENTODE 1 2 3 4 ; A G2 G1 C RE1 7 0 1MEG ; DUMMY SO NODE 7 HAS 2 CONNECTIONS E1 7 0 VALUE={V(2,4)/KP*LOG(1+EXP((1/MU+V(3,4)/V(2,4))*KP))} ; E1 BREAKS UP LONG EQUATION FOR G1. G1 1 4 VALUE={(PWR(V(7),EX)+PWRS(V(7),EX))/KG1*ATAN(V(1,4)/KVB)} G2 2 4 VALUE={(EXP(EX*(LOG((V(2,4)/MU)+V(3,4)))))/KG2} * G2 2 4 VALUE={PWR(V(2,4)/MU+V(3,4),EX)/KG2} RCP 1 4 1G ; FOR CONVERGENCE A - C C1 3 4 {CCG} ; CATHODE-GRID 1 C - G1 C2 1 3 {CPG1} ; GRID 1-PLATE G1 - A C3 1 4 {CCP} ; CATHODE-PLATE A - C R1 3 5 {RGI} ; FOR GRID CURRENT G1 - 5 D3 5 4 DX ; FOR GRID CURRENT 5 - C .ENDS PENTODE ****************** .SUBCKT PENTODE1 1 2 3 4 ; A G2 G1 C RE1 7 0 1MEG ; DUMMY SO NODE 7 HAS 2 CONNECTIONS E1 7 0 VALUE={V(2,4)/KP*LOG(1+EXP((1/MU+V(3,4)/V(2,4))*KP))} ; E1 BREAKS UP LONG EQUATION FOR G1. G1 1 4 VALUE={(PWR(V(7),EX)+PWRS(V(7),EX))/KG1*ATAN(V(1,4)/KVB)} G2 2 4 VALUE={(EXP(EX*(LOG((V(2,4)/MU)+V(3,4)))))/KG2} * G2 2 4 VALUE={PWR(V(2,4)/MU+V(3,4),EX)/KG2} RCP 1 4 1G ; FOR CONVERGENCE A - C C1 3 4 {CCG} ; CATHODE-GRID 1 C - G1 C2 1 3 {CPG1} ; GRID 1-PLATE G1 - A C3 1 4 {CCP} ; CATHODE-PLATE A - C R1 3 5 {RGI} ; FOR GRID CURRENT G1 - 5 D3 5 4 DX ; FOR GRID CURRENT 5 - C .ENDS PENTODE1 ****************** .SUBCKT PENTODE2 1 2 3 4 ; A G2 G1 C RE1 7 0 1MEG ; DUMMY SO NODE 7 HAS 2 CONNECTIONS E1 7 0 VALUE={V(2,4)/KP*LOG(1+EXP((1/MU+V(3,4)/V(2,4))*KP))} ; E1 BREAKS UP LONG EQUATION FOR G1. * G1 1 4 VALUE={(PWR(V(7),EX)+PWRS(V(7),EX))/KG1*ATAN(V(1,4)/KVB)} G1 1 4 VALUE={pi/2*(PWR(V(7),EX)+PWRS(V(7),EX))/KG1*(1-exp(-2*V(1,4)/(pi*KVB)))} G2 2 4 VALUE={(EXP(EX*(LOG((V(2,4)/MU)+V(3,4)))))/KG2} * G2 2 4 VALUE={PWR(V(2,4)/MU+V(3,4),EX)/KG2} RCP 1 4 1G ; FOR CONVERGENCE A - C C1 3 4 {CCG} ; CATHODE-GRID 1 C - G1 C2 1 3 {CPG1} ; GRID 1-PLATE G1 - A C3 1 4 {CCP} ; CATHODE-PLATE A - C R1 3 5 {RGI} ; FOR GRID CURRENT G1 - 5 D3 5 4 DX ; FOR GRID CURRENT 5 - C .ENDS PENTODE2 ****************** .MODEL DX D(IS=1N RS=1 CJO=10PF TT=1N) ; diode used by the Pentode models