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self-bias PLL vs ICO PLL (Read 2412 times)
newic
Senior Member
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Posts: 138
self-bias PLL vs ICO PLL
Mar 21
st
, 2012, 8:14pm
self biased PLL is widely used but the jitter performance is not that good if compare to ICO type PLL (better PSRR). Is it true and why?
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raja.cedt
Senior Fellow
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Posts: 1516
Germany
Re: self-bias PLL vs ICO PLL
Reply #1 -
Mar 22
nd
, 2012, 1:17am
what do you mean by ICO? is it current controlled oscillator. If so you are wrong because self bias pll is based on CCO (may be some people cal this is regulator based vco).
Thanks,
Raj.
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newic
Senior Member
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Posts: 138
Re: self-bias PLL vs ICO PLL
Reply #2 -
Mar 29
th
, 2012, 6:58pm
yes, comparing to CCO type, which is regulator based VCO.
what are the pros & cons on this regulator based VCO?
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