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Re: DLL
Hi,
You topic happened to be my graduation design,but pity I still learn little about it.
Here are some documents I think is helpful.
Hope you'll benefit too!
:D
When I use HSPICE,it direct indicate the "saturation","cut off","linear".
But when come to spectre it is region 1,2,3
Then what are they stand for respectively?
These are all parasitic capacitances in the real physical chips.
Just think about the characteristic of capacitance: if the voltage applyed changes,the amount of charge will changes.
Then on the opposite ,if the amount of charge will change with the applied voltage there is a equivalent capacitance.
The schemetic is attached below.
The aim is as follows:for a given period clock signal with any duty cycle,the Integrator will translate it into DC(with little ripple) voltage proportional to the period.(I'm not sure is it the so called frequency-to-voltage converter).
Besides,the clock...
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