||15th December 2012 02:33 PM
(LT)spice model for 6J7
Is there somebody who can supply me with a (LT)spice model of the pentode 6J7,
or where can I find a description on the internet? Browsing on the net myself did not give me any clue (for instance Duncan's pages or others).
Or, is it possible to modify an existing pentode model to get a workable model?
Thanks in advance,
||19th December 2012 08:34 AM
To use this model in LTSpice change all instances of ^ to **.
* Generic pentode model: 6J7
* Copyright 2003--2006 by Ayumi Nakabayashi, All rights reserved.
* Version 3.01, Generated on Wed Mar 22 17:20:43 2006
.SUBCKT 6J7 A G2 G1 K
BGG GG 0 V=V(G1,K)+0.75953915
BEP EP 0 V=URAMP(V(A,K))+1e-10
BEG EG 0 V=URAMP(V(G1,K))+1e-10
BEG2 EG2 0 V=URAMP(V(G2,K))+1e-10
BM1 M1 0 V=(0.0057490544*(URAMP(V(EG2)-1e-10)+1e-10))^-0.20145614
BM2 M2 0 V=(0.88159781*(URAMP(V(GG)+V(EG2)/20.595073)+1e-10))^1.7014561
BP P 0 V=0.00080605414*(URAMP(V(GG)+V(EG2)/23.361076)+1e-10)^1.5
BIK IK 0 V=U(V(GG))*V(P)+(1-U(V(GG)))*0.00053791349*V(M1)*V(M2)
BIG IG 0 V=0.00040302707*V(EG)^1.5*(V(EG)/(V(EP)+V(EG))*1.2+0.4)
BIK2 IK2 0 V=V(IK,IG)*(1-0.4*(EXP(-V(EP)/V(EG2)*15)-EXP(-15)))
BIG2T IG2T 0 V=V(IK2)*(0.82254609*(1-V(EP)/(V(EP)+10))^1.5+0.17745391)
BIK3 IK3 0 V=V(IK2)*(V(EP)+7400)/(V(EG2)+7400)
BIK4 IK4 0 V=V(IK3)-URAMP(V(IK3)-(0.00045533328*(V(EP)+URAMP(V(EG2,EP)))^1.5))
BIP IP 0 V=URAMP(V(IK4,IG2T)-URAMP(V(IK4,IG2T)-(0.00045533328*V(EP)^1.5)))
BIAK A K I=V(IP)+1e-10*V(A,K)
BIG2 G2 K I=URAMP(V(IK4,IP))
BIGK G1 K I=V(IG)
CGA G1 A 0.005p
CGK G1 K 4.2p
C12 G1 G2 2.8p
CAK A K 12p
||19th December 2012 08:51 AM
Thank you very much cogsncogs!
At first I was afraid that nobody could help me in this matter
due to a lack of response.
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