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TPS54824: Phase margin and Gain margin measurement

Part Number: TPS54824

Dear Team,

Wish you have a good day!!

Let me know what the Start frequency/Stop frequency of the bode plot measure setting?

On my side, I usually set the Start frequency to 1KHz and the Stop frequency to 1Mhz.

Could the frequency span for the horizontal axis be set to 10Hz for the Start frequency and the Stop frequency to 1MHz?

The below measure waveform is setting a frequency span between 10Hz to 1MHz, just want to know if the phase waveform oscillation before 100Hz is normal?


Thank you.