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Using the AD8334 Evaluation Board

Question asked by daescandon on Mar 19, 2014
Latest reply on Mar 31, 2014 by iamPhil

I'm having a problem using the AD8334. I'm using the board as is to make sure it works per the datasheet. Here is what my problem is:

 

I only measure the 2.5VDC bias; my input sine wave 25MHz signal that is 10mVpk-pk, comes from an Agilent signal generator. The output of the generator is 50ohm terminated. I don't have a differential drobe to measure the VO1, so I just used a single ended scope probe. Again, I measure the DC bias at each channel, but no AC signal. The input to the scope is set at high impedance.

 

Any suggestion on what I may be doing wrong with the board.

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