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Design >> Mixed-Signal Design >> How much do you overdesign?
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Message started by hyy95 on Jul 14^th, 2007, 12:04am

Title: How much do you overdesign?
Post by hyy95 on Jul 14^th, 2007, 12:04am

Hi,
I am designing a 10b S/H ckt right now. from the papers i read, most 10b adc chips can only get less than 60dB measured SNDR. My question is, how much SNDR, SFDR, THD... do i need from the simulation of a 10b S/H in order to get a not too bad measured result from a finished chip. Or a more general question, how much do you overdesign a circuit?

Thanks
Jerry

Title: Re: How much do you overdesign?
Post by hanm on Jul 26^th, 2007, 2:10am

I think this totally depend on your design skill. If you had considered all of main factor who decrease the performance. You need not much of margin.