3-pin resonator for microcontroller

Thread Starter

South

Joined Apr 7, 2017
28
Hi

I am designing a PCB for a 40-pin microcontroller and having trouble with the design of the traces for the 3-pin ceramic resonator.

I remember from somewhere it needs a backing earth plane but as to the details I can't seem to find them?

I use Sprint Layout preferably to design my PCBs.

Any helpful comments?

South
 

Thread Starter

South

Joined Apr 7, 2017
28
Well yes a little

But my two problems now are, which way round is the leaded ceramic resonator, and secondly, what are the dimensions of the back-plane and the traces?

South
 

Marley

Joined Apr 4, 2016
489
Is it a 2-pin or 3 pin ceramic resonator?
If 3-pin, the centre pin is ground. The other 2 pins can be connected any way.
Keep the resonator as close as possible to the MC. Ground plane usually not required.
 
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