* eeschema netlist version 1.1 (spice format) creation date: wed jun 24 15:44:17 2015 .include half_adder.sub x1 1 2 3 4 half_adder * u1 a b 1 2 adc_bridge_2 * u2 3 4 sum cout dac_bridge_2 v1 a gnd dc 5 v2 b gnd dc 0 r1 gnd sum 1k r2 gnd cout 1k a1 [a b ] [1 2 ] u1 a2 [3 4 ] [sum cout ] u2 * Schematic Name: adc_bridge_2, NgSpice Name: adc_bridge .model u1 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 u2 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-03 100e-03 0e-03 * Control Statements .control run print allv > plot_data_v.txt print alli > plot_data_i.txt .endc .end