**** EML300B TRIODE CURVES Composite DHT ***************************************** * Created on 02/10/2019 10:23 using paint_kit.jar 3.1 * www.dmitrynizh.com/tubeparams_image.htm * Plate Curves image file: EML300B-436D triode curves.jpg * Data source link: * * Curves traced and model by Ale Moglia (c) 2019 * For personal use only * * www.bartola.co.uk/valves * * Capacitances from WE datasheet *---------------------------------------------------------------------------------- .SUBCKT DHT_EML300B TRIODE CURVES 1 2 3 4 ; P G K1 K2 + PARAMS: CCG=9P CGP=15P CCP=4.3P RFIL=3.85 + MU=3.906 KG1=1680 KP=58 KVB=213 VCT=-3.123 EX=1.47 RGI=2000 * Vp_MAX=700 Ip_MAX=250 Vg_step=10 Vg_start=0 Vg_count=15 * Rp=4000 Vg_ac=55 P_max=36 Vg_qui=-48 Vp_qui=300 * X_MIN=90 Y_MIN=37 X_SIZE=543 Y_SIZE=525 FSZ_X=1123 FSZ_Y=670 XYGrid=false * showLoadLine=n showIp=y isDHT=y isPP=n isAsymPP=n showDissipLimit=y * showIg1=n gridLevel2=n isInputSnapped=n * XYProjections=n harmonicPlot=n dissipPlot=n *---------------------------------------------------------------------------------- RFIL_LEFT 3 31 {RFIL/4} RFIL_RIGHT 4 41 {RFIL/4} RFIL_MIDDLE1 31 34 {RFIL/4} RFIL_MIDDLE2 34 41 {RFIL/4} E11 32 0 VALUE={V(1,31)/KP*LOG(1+EXP(KP*(1/MU+V(2,31)/SQRT(KVB+V(1,31)*V(1,31)))))} E12 42 0 VALUE={V(1,41)/KP*LOG(1+EXP(KP*(1/MU+V(2,41)/SQRT(KVB+V(1,41)*V(1,41)))))} RE11 32 0 1G RE12 42 0 1G G11 1 31 VALUE={(PWR(V(32),EX)+PWRS(V(32),EX))/(2*KG1)} G12 1 41 VALUE={(PWR(V(42),EX)+PWRS(V(42),EX))/(2*KG1)} RCP1 1 34 1G C1 2 34 {CCG} ; CATHODE-GRID C2 2 1 {CGP} ; GRID=PLATE C3 1 34 {CCP} ; CATHODE-PLATE D3 5 3 DX ; FOR GRID CURRENT D4 6 4 DX ; FOR GRID CURRENT RG1 2 5 {2*RGI} ; FOR GRID CURRENT RG2 2 6 {2*RGI} ; FOR GRID CURRENT .MODEL DX D(IS=1N RS=1 CJO=10PF TT=1N) .ENDS *$