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AD698 operation

Question asked by frank.greenslade on Aug 5, 2013
Latest reply on Aug 14, 2013 by Ryan_Curran

Hi all,

 

I am using the AD698 and getting familiar with its operation.

I have set the excitation up at 10kHz 15Vrms and then use a voltage divider to drop the level to about 2Vrms before it feeds into the B channel.

 

When I check the BFILT1 pin with an oscilliscope I only see -12.6V dc.

 

I expected to see the 2VRMS signal rectified.

 

Can anybody explain what I should see and why I would be getting the -12.6 vdc?

 

kind regards

Frank Greenslade

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