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to drive a capacitor, if we have a constant current source. that is good. ota acts constant current source., i.e, it's o/p i s current instead of voltage.
replica-biased circuit
Replica bias is used as bias for delayelements for VCO. It provide good stability over PVT such that freq. will not vary over PVT.
I have rms jitter specification for a pll. what actually this refers to?
Is this random jitter?
If we do the phase noise simulation and calculate jitter value, what jitter we get?
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