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AD9230 differential input curiosity

Question asked by SAVM on Aug 25, 2014
Latest reply on Aug 28, 2014 by SAVM

Hi All,

 

On page 21 of the AD9230 data sheet : http://www.analog.com/static/imported-files/data_sheets/AD9230.pdf

We read about the shunt capacitor used at the data + and - inputs of the AD9230.

All the termination schemes I've read about use a R value to terminate LVDS in this configuration.

Why do we use a capacitor here?

 

Thanks

 

Sam

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