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Question re: ADCLK905 demo board

Question asked by KE5FX on Apr 23, 2015
Latest reply on May 24, 2015 by KE5FX

The Gerbers for the EVAL-ADCLK905 board show 17-mil traces for the 50-ohm lines going to and from the chip, and the Gerbers call for RO4003C material.  The traces on the actual board, though, are about 8 mils wide.  That makes me think the RO4003C layers are 4 mils thick, but RO4003C doesn't seem to be offered in 4 mils (although RO4350B is.)  Can you clarify the actual layer stackup that was used to fab this board?  Did your board house switch to RO4350B?

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