6BM8P

.SUBCKT 6BM8P A S G K
*
* Calculate contribution to cathode current
*
Eat     at      0       VALUE={0.636*ATAN(V(A,K)/15)}
Egs     gs      0       VALUE={LIMIT{V(S,K)/7+V(G,K)*1.3+V(A,K)/700,0,1E6}}
Egs2    gs2     0       VALUE={PWRS(V(gs),1.24)}
Ecath   cc      0       VALUE={V(gs2)*V(at)}
*
* Calculate anode current
*
Ga      A       K       VALUE={3.45E-3*V(cc)}
*
* Calculate screen current
*
Escrn   sc      0       VALUE={V(gs2)*(1.1-V(at))}
Gs      S       K       VALUE={3.7E-3*V(sc)*LIMIT{V(S,K),0,10}/10}
*
* Capacitances
*
Cg1     G       K       9.6p
Cak     A       K       9.3p
Cg1a    G       A       0.35p

.ENDS

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