Best not-LC-type oscillator @20MHz

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jugemu1234

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Hi there,

Apparently there are so many kinds of known oscillator structure that does not expect LC-tank. I'd like to ask you what fully on-chip oscillator topology you think best around a few tens of MHz in terms of jitter/power/area/psrr. RC oscillator? or n-stage ring oscillator? and Why?

Thanks for kind discussion in advance
 

Hi,
I think - for that isa ring oscillator invented...
K.
 


Some important specifications are missing:
*What kind of signal do you want ?
*Specific quality requirements?
*Any external frequency tuning/adjustment required?
 

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