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Old 21st September 2004, 05:19 PM   #1
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Default Spice Model 6CW4

Hello,

I seek Spice Model for nuvistor 6CW4

I found a Pspice Model but it is not compatible with ISIS...

http://digilander.libero.it/paeng/triode_models.htm

thx
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Old 22nd September 2004, 12:25 AM   #2
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Does ISIS use Berkley 3f4 spice? If so, I know a man who writes 3f4 spice tube models
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Old 22nd September 2004, 08:27 AM   #3
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yes isis use Berkley 3f4 spice model
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Old 22nd September 2004, 09:19 AM   #4
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'k, I'll give him a shout
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Old 22nd September 2004, 09:23 AM   #5
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Merci
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Old 23rd September 2004, 01:54 AM   #6
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Here it is, custom made courtesy Robert Casey, WA2ISE

Quote:
*Vacuum Tube nuvistor .SUBCKT X6CW4a A G K

* ANODE MODEL

BLIM LI 0 V=(URAMP((V(A)-V(K))))* 0.0037
BGG GG 0 V=((V(G)-V(K))*1.05)--0.14
BRP1 RP1 0 V=URAMP(-V(GG)* 0.09869 )
BRP2 RP2 0 V=V(RP1)-URAMP(V(RP1)-0.999)
BRPF RP 0 V=(1-V(RP2)^ 1 )+URAMP(V(GG))* 0.1
BGR GR 0 V=URAMP(V(GG))-URAMP(-(V(GG)*(1+V(GG)* 0.012937 )))
BEM EM 0 V=URAMP(V(A)-V(K)+V(GR)* 50.093 )
BEP EP 0 V=(V(EM)^ 1.53 )*V(RP)* 0.00001563
BEL1 EL1 0 V=URAMP(V(EP))
BEL EL 0 V=V(EL1)-URAMP(V(EL1)-V(LI))
BLD LD 0 V=URAMP(V(EP)-V(LI))
BAK A K I=V(EL)

* GRID MODEL

BGF GF 0 V=(URAMP(V(G)-V(K)--0.5 )^1.5)* 0.00012
BG G K I=V(GF)+V(LD)

* CAPS

CAK A K 0.00000000000018
CGK G K 0.0000000000043
CGA G A 0.00000000000092

.ENDS X6CW4a
A page with lots of 3f4 models is here:

http://home.netcom.com/~wb2jia/tubes/spice.txt

These are "drop in and go" for Circuit maker and Circuit Maker Student, but should function on all 3f4 based spice.
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Old 23rd September 2004, 09:10 AM   #7
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YESSSS !!!!!!
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