*----------------------------------------------------------------------- * Filename: 6bm8p.inc 03/03/99 V1 * Simulator: PSpice * Device type: Power pentode * Device model: 6BM8/ECL82 * * Author: Duncan Munro * Date: 3/3/99 * Copyright: (C)1999-2000 Duncan Amplification * * * The following parameters are not modelled: * * (1) Heater * (2) Grid current * * Please note that this model is provided "as is" and * no warranty is provided in respect of its suitability * for any application. * * This model is provided for educational and non-profit use. * * Email queries to postmaster@duncanamps.com * * Pins A Anode * S Screen * G Grid * K Cathode * *----------------------------------------------------------------------- .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