otocoupler inputs

Thread Starter

edmundopt

Joined May 4, 2011
60
hello
I have the preovious version schematic posted in another thread, but since now the schematic is based on a app note it should be ok.
I'm now poiting the board design.
Any mistakes into the input part ? Source will 12volts, DC switched power supplly.
I really would like some sugestions:
remove islands from the copper fill ?
copper fill, connect it to some bus or earth gnd ?
the spacing is 60th(inches) on the inputs increase ?

on the output I will try to get C2,C3,C4,C5 near C0 to get that ground loop minimized.
 

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