loose-electron
Senior Fellow
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Best Design Tool = Capable Designers
Posts: 1638
San Diego California
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Time domain responses of the voltage at the filter will show both zeta (damping) and Wo (loop bw)
Get the simulation in steady state mode, and then apply a phase or frequency step to the input and watch the charge pump and phase detector do their thing.
You may want to develop behavioral modesl of the whole loop, it speeds the simulation process up.
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