* /home/fossee/esim-workspace/fulladder/fulladder.cir .include full_adder.sub x1 net-_u6-pad4_ net-_u6-pad5_ net-_u6-pad6_ net-_u7-pad1_ net-_u7-pad2_ full_adder v1 in1 gnd dc 5 v2 in2 gnd dc 0 v3 cin gnd dc 5 r1 sum gnd 1k r2 cout gnd 1k * u2 in1 plot_v1 * u1 in2 plot_v1 * u3 cin plot_v1 * u4 sum plot_v1 * u5 cout plot_v1 * u6 in1 in2 cin net-_u6-pad4_ net-_u6-pad5_ net-_u6-pad6_ adc_bridge_3 * u7 net-_u7-pad1_ net-_u7-pad2_ sum cout dac_bridge_2 a1 [in1 in2 cin ] [net-_u6-pad4_ net-_u6-pad5_ net-_u6-pad6_ ] u6 a2 [net-_u7-pad1_ net-_u7-pad2_ ] [sum cout ] u7 * Schematic Name: adc_bridge_3, NgSpice Name: adc_bridge .model u6 adc_bridge(fall_delay=1.0e-9 in_high=2.0 rise_delay=1.0e-9 in_low=1.0 ) * Schematic Name: dac_bridge_2, NgSpice Name: dac_bridge .model u7 dac_bridge(out_undef=0.5 out_low=0.0 out_high=5.0 t_rise=1.0e-9 t_fall=1.0e-9 input_load=1.0e-12 ) .tran 10e-00 100e-00 0e-00 * Control Statements .control run print allv > plot_data_v.txt print alli > plot_data_i.txt plot v(in1) plot v(in2) plot v(cin) plot v(sum) plot v(cout) .endc .end