Hi List,

I have a reasonably simple question.  I am currently routing an RF PCB which
uses a 1GHz DDS synthesiser.  The RF signals on the board are up to 400MHz
in frequency and obviously I must consider the impedance of any copper
tracks I lay.  What I am unsure of though is what impedance should I be
aiming for with these tracks.  Should it match the DDS outputs which are all
50ohm or should it be as low impedance as possible to reduce resistive
losses.  I eagerly await the lists omnipotent response.

Cheers,
Damien Cahill

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