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DCDC buck converter PSS/PSTB simulation for gain/phase margin check

william prince

I am newbie for spectreRF simulation. Anyone can help me check my simulation methodology correct or not? Thanks a lot.

I am going to run full schematic simulation (not veriloga model) 

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  • Andrew Beckett

    Yes, because your switching frequency is an integer multiple (16) of the PSS fundamental. You can fit a whole number of cycles of 1.1MHz into a cycle of 68.750kHz, which enables it to do the Fourier analysis of a periodic waveform.

    Regards,

    Andrew.

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  • Andrew Beckett

    Yes, because your switching frequency is an integer multiple (16) of the PSS fundamental. You can fit a whole number of cycles of 1.1MHz into a cycle of 68.750kHz, which enables it to do the Fourier analysis of a periodic waveform.

    Regards,

    Andrew.

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