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analog PLL and digital PLL
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chacha



Joined: 10 Oct 2006
Posts: 86
Helped: 1
Post01 Feb 2007 6:12   

analog PLL and digital PLL
What is main difference between analog PLL and digital PLL??
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Post01 Feb 2007 6:12   

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Btrend



Joined: 26 Dec 2003
Posts: 424
Helped: 55
Post01 Feb 2007 9:30   

Re: analog PLL and digital PLL
analog PLL : lower jitter value , easy to construct fully differential VCO to increase PSRR.
digital PLL : larger jitter value, hard to remove common mode noise (low PSRR)
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wonbef



Joined: 13 Oct 2004
Posts: 191
Helped: 3
Location: Nanshan, Shenzhen
Post02 Feb 2007 9:34   

analog PLL and digital PLL
classify by used pd/pfd
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khouly



Joined: 20 Oct 2003
Posts: 2479
Helped: 343
Location: EGYPT
Post02 Feb 2007 12:47   

Re: analog PLL and digital PLL
it mainly based on the PFD , if it's Mixer u can say it is analog PLL , the digital PLL use the PFD based digital circuits

khouly
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