*Hysteresis Characteristics Vc 5 0 5 V1 11 0 1 V2 1 11 0 sin( 0 1 25MEG ) RB 1 2 .1k RC1 5 4 2k RE1 3 0 10 Q1 4 2 3 QNPN RC2 5 8 .2k RE2 7 0 10 Q2 8 6 7 QNPN R1 4 6 .1 C1 6 0 .1p R2 3 7 .01 .MODEL QNPN NPN() .TRAN .1n 100n 0 .PLOT TRAN v(8) v(4) v(1) .END .
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V_HT=R_E / ( R_E+R_C2 ) V_CC
V_LT=R_E / ( R_E+R_C1 ) V_CC
