**** CX340 CURVES Composite DHT ***************************************** * Created on 04/21/2017 17:59 using paint_kit.jar 2.9 * www.dmitrynizh.com/tubeparams_image.htm * Plate Curves image file: CX340 curves.png * Data source link: www.bartola.co.uk/valves * * Traced and model developed by Ale Moglia valves@bartola.co.uk * www.bartola.co.uk/valves * (c) 2017 Ale Moglia * * * NOTE: Capacitances are not included - not available in data sheet *---------------------------------------------------------------------------------- .SUBCKT DHT_CX340 1 2 3 4 ; P G K1 K2 + PARAMS: CCG=1P CGP=1P CCP=1P RFIL=20 + MU=31.5 KG1=13320 KP=298 KVB=252 VCT=-0.662 EX=1.57 RGI=2000 * Vp_MAX=200 Ip_MAX=0.5 Vg_step=0.5 Vg_start=-1 Vg_count=11 * Rp=4000 Vg_ac=55 P_max=1 Vg_qui=-48 Vp_qui=300 * X_MIN=62 Y_MIN=52 X_SIZE=460 Y_SIZE=418 FSZ_X=1089 FSZ_Y=666 XYGrid=false * showLoadLine=n showIp=y isDHT=y isPP=n isAsymPP=n showDissipLimit=y * showIg1=n gridLevel2=n isInputSnapped=n * XYProjections=n harmonicPlot=n harmonics=y *---------------------------------------------------------------------------------- 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 *$