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AD9649 input transformer

Question asked by YanLeb on Oct 1, 2012
Latest reply on Oct 2, 2012 by DougI

Hi all,

In the clock input options section of the datasheet of the AD9649 ADC, the recommended transformer is a mini-circuit ADT1-1WT which has a 75 ohms input impedance while the matching impedance seems to be 50 ohms. Is it ok with this transformer? Can we use this transformer also at the frontend in a transformer coupled application or should I use the 50 ohms equivalent?