Question about trackpad design in Four-layer PCB.

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cross mob
Anonymous
Not applicable

 Hi, 

   

    I'm design a trackpad now. But I don't konw how to do with the GND layer, just left it as a blank plane or place hatch fill on it ?

   

   Thanks!

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2 Replies
Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

There is a remote control reference design kit which contains a trackpad. Will probably help you to look into the design-files or get hands on the kit.

   

 

   

Bob

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rola_264706
Level 8
Level 8
50 likes received 25 likes received 10 likes received

Check this capsense design guide. http://www.cypress.com/?docID=50746 and this document http://www.cypress.com/?docID=50002. Should give your answers.

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