Hi,

I have created the netlist as below when I am trying to run it it is giving me segmentation fault error. Please let me know if there is any issue with my netlist as I cant see any syntax error.

FIVE INVERTER RING OSCILLATOR V1 n1 0 DC 2.0 .ic v(n8) = 0 MP1 n2 n8 n1 n1 MODP L=1.8u W=7.2u MN1 n2 n8 0 0 MODN L=1.8u W=3.6u MP2 n3 n2 n1 n1 MODP L=1.8u W=7.2u MN2 n3 n2 0 0 MODN L=1.8u W=3.6u MP3 n4 n3 n1 n1 MODP L=1.8u W=7.2u MN3 n4 n3 0 0 MODN L=1.8u W=3.6u MP4 n5 n4 n1 n1 MODP L=1.8u W=7.2u MN4 n5 n4 0 0 MODN L=1.8u W=3.6u *** adc *** adc1 [n5] [n6] adc ***Inverter**** inv1 n6 n7 inverter ***dac***** dac1 [n7] [n8] dac ***Models****** .model adc adc_bridge ( in_low =0.5 in_high =1.0 + rise_delay =1.0e-12 fall_delay =1.0e-12) .model dac dac_bridge(out_low = 0.5 out_high = 1.0 out_undef = 2.2 + input_load = 5.0e-12 t_rise = 50e-9 + t_fall = 20e-9) .model inverter d_inverter(rise_delay = 0.5e-9 fall_delay = 0.3e-9 + input_load = 0.5e-12) .model MODN NMOS .model MODP PMOS .END .CONTROL tran .1n 50n .ENDC