Vacuum Tube SPICE Models

[qiuchun63]

Chinese 6300B spice models.

**** 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
*$

 

[qiuchun63]

Chinese 52B spice models.

**** 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
*$