Re: Grounding PCBs

Hello John, 

I always use 0.33 uF bypass caps. That's about the biggest 0603 that's
still cheap.


As long as it's not made from some boutique ceramic. Remember when all the high density caps suddenly became unobtanium in the 80's? IIRC this was caused by an accident at the only chemical plant that seemed to make the needed ceramic. Lots of Aspirin was consumed in them days.

I usually go for 0.1uF since even the contract assemblers in remote locations will have oodles of them. I never really found a huge difference in RF performance WRT to the smaller sizes, at least not for bypassing.

Regards, Joerg

http://www.analogconsultants.com
.

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