Mixed Signal Simulation in Ngspice

Example of SystemVerilog and SPICE in Ngspice https://analogicus.com/aic2025/2024/1... Tutorial at http://analogicus.com/jnw_sv_sky130a/ Repository at https://github.com/wulffern/jnw_sv_sk... Assumes knowledge of https://analogicus.com/aic2025/2025/0... 00:00 Introduction 00:40 Digital simulation 05:00 Analog simulation 07:37 Mixed signal simulation 09:20 Demo start 11:00 Analog Schematic 12:33 Digital code 12:40 Compile digital code 15:40 Include into ngspice 19:48 Testbench 21:53 Set right digital levels 22:16 Run simulation 24:56 Look at waveforms