Chinese 6300B spice models.
Code:
**** 6300B ******************************************
* Created on 06/14/2025 21:04 using paint_kit.jar 3.1
* www.dmitrynizh.com/tubeparams_image.htm
* Plate Curves image file: 6300B.jpg
* Data source link:
*----------------------------------------------------------------------------------
.SUBCKT TRIODE_6300B 1 2 3 ; Plate Grid Cathode
+ PARAMS: CCG=3P CGP=1.4P CCP=1.9P RGI=2000
+ MU=3.654 KG1=1920 KP=36 KVB=1.144E-4 VCT=4.883E-6 EX=1.498
* Vp_MAX=560 Ip_MAX=340 Vg_step=10 Vg_start=0 Vg_count=13
* Rp=4000 Vg_ac=55 P_max=55 Vg_qui=-48 Vp_qui=300
* X_MIN=90 Y_MIN=63 X_SIZE=607 Y_SIZE=299 FSZ_X=1224 FSZ_Y=600 XYGrid=false
* showLoadLine=n showIp=y isDHT=n isPP=n isAsymPP=n showDissipLimit=y
* showIg1=n gridLevel2=n isInputSnapped=n
* XYProjections=n harmonicPlot=n dissipPlot=n
*----------------------------------------------------------------------------------
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 ; TO AVOID FLOATING NODES
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 ; POSITIVE GRID CURRENT
R1 2 5 {RGI} ; POSITIVE GRID CURRENT
.MODEL DX D(IS=1N RS=1 CJO=10PF TT=1N)
.ENDS
*$Attachments
Chinese 52B spice models.
Code:
**** 52B ******************************************
* Created on 06/15/2025 17:07 using paint_kit.jar 3.1
* www.dmitrynizh.com/tubeparams_image.htm
* Plate Curves image file: 52B.jpg
* Data source link:
*----------------------------------------------------------------------------------
.SUBCKT TRIODE_52B 1 2 3 ; Plate Grid Cathode
+ PARAMS: CCG=3P CGP=1.4P CCP=1.9P RGI=2020
+ MU=4.069 KG1=1970.64 KP=27.71 KVB=5.834E-5 VCT=2.442E-7 EX=1.498
* Vp_MAX=600 Ip_MAX=380 Vg_step=10 Vg_start=0 Vg_count=13
* Rp=4000 Vg_ac=55 P_max=75 Vg_qui=-48 Vp_qui=300
* X_MIN=120 Y_MIN=105 X_SIZE=479 Y_SIZE=297 FSZ_X=1262 FSZ_Y=900 XYGrid=false
* showLoadLine=n showIp=y isDHT=n isPP=n isAsymPP=n showDissipLimit=y
* showIg1=n gridLevel2=n isInputSnapped=n
* XYProjections=n harmonicPlot=n dissipPlot=n
*----------------------------------------------------------------------------------
E1 7 0 VALUE={V(1,3)/KP*LOG(1+EXP(KP*(1/MU+(VCT+V(2,3))/SQRT(KVB+V(1,3)*V(1,3)))))}
RE1 7 0 1G ; TO AVOID FLOATING NODES
G1 1 3 VALUE={(PWR(V(7),EX)+PWRS(V(7),EX))/KG1}
RCP 1 3 1G ; TO AVOID FLOATING NODES
C1 2 3 {CCG} ; CATHODE-GRID
C2 2 1 {CGP} ; GRID=PLATE
C3 1 3 {CCP} ; CATHODE-PLATE
D3 5 3 DX ; POSITIVE GRID CURRENT
R1 2 5 {RGI} ; POSITIVE GRID CURRENT
.MODEL DX D(IS=1N RS=1 CJO=10PF TT=1N)
.ENDS
*$Attachments
E2d model.
Code:
**** E2D ******************************************
* Created on 06/24/2025 20:38 using paint_kip.jar
* www.dmitrynizh.com/tubeparams_image.htm
* Plate Curves image file: E2d.JPG
* Data source link: <plate curves URL>
*----------------------------------------------------------------------------------
.SUBCKT E2D P G2 G K ; LTSpice tetrode.asy pinout
* .SUBCKT E2D P G K G2 ; Koren Pentode Pspice pinout
+ PARAMS: MU=23.17 KG1=838.42 KP=91.9 KVB=5.918E-4 VCT=0.1205 EX=1.386 KG2=4536 KNEE=10.32 KVC=2.57
+ KLAM=1.455E-7 KLAMG=4.407E-4 KNEE2=5.576 KNEX=59.62 KNK=-3.819 KNG=0.001333 KNPL=11.98 KNSL=86.24 KNPR=51.34 KNSR=63.8
+ CCG=0P CGP=0.3P CCP=0P RGI=2000.0
* Vp_MAX=500 Ip_MAX=120 Vg_step=1 Vg_start=0 Vg_count=11
* X_MIN=90 Y_MIN=101 X_SIZE=769 Y_SIZE=746 FSZ_X=1392 FSZ_Y=945 XYGrid=false
* Rp=1400 Vg_ac=20 P_max=10 Vg_qui=-5 Vp_qui=300
* showLoadLine=n showIp=y isDHP=n isPP=n isAsymPP=n isUL=n showDissipLimit=y
* showIg1=n isInputSnapped=y addLocalNFB=n
* XYProjections=n harmonicPlot=y dissipPlot=n
* UL=0.43 EG2=250 gridLevel2=n addKink=y isTanhKnee=y advSigmoid=n
*----------------------------------------------------------------------------------
RE1 7 0 1G ; DUMMY SO NODE 7 HAS 2 CONNECTIONS
E1 7 0 VALUE= ; E1 BREAKS UP LONG EQUATION FOR G1.
+{V(G2,K)/KP*LOG(1+EXP((1/MU+(VCT+V(G,K))/SQRT(KVB+V(G2,K)*V(G2,K)))*KP))}
RE2 6 0 1G ; DUMMY SO NODE 6 HAS 2 CONNECTIONS
E2 6 0 VALUE={(PWR(V(7),EX)+PWRS(V(7),EX))} ; Kg1 times KIT current
RE21 21 0 1
E21 21 0 VALUE={V(6)/KG1*ATAN((V(P,K)+KNEX)/KNEE)*TANH(V(P,K)/KNEE2)} ; Ip with knee but no slope and no kink
RE22 22 0 1 ; E22: kink curr deviation for plate
E22 22 0 VALUE={V(21)*LIMIT(KNK-V(G,K)*KNG,0,0.3)*(-ATAN((V(P,K)-KNPL)/KNSL)+ATAN((V(P,K)-KNPR)/KNSR))}
G1 P K VALUE={V(21)*(1+KLAMG*V(P,K))+KLAM*V(P,K) + V(22)}
* Alexander Gurskii screen current, see audioXpress 2/2011, with slope and kink added
RE43 43 K 1G ; Dummy
E43 43 G2 VALUE={0} ; Dummy
G2 43 K VALUE={V(6)/KG2*(KVC-ATAN((V(P,K)+KNEX)/KNEE)*TANH(V(P,K)/KNEE2))/(1+KLAMG*V(P,K))-V(22)}
RCP P K 1G ; FOR CONVERGENCE
C1 K G {CCG} ; CATHODE-GRID 1
C2 G P {CGP} ; GRID 1-PLATE
C3 K P {CCP} ; CATHODE-PLATE
R1 G 5 {RGI} ; FOR GRID CURRENT
D3 5 K DX ; FOR GRID CURRENT }
.MODEL DX D(IS=1N RS=1 CJO=10PF TT=1N)
.ENDS