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AD9277 AAF question

Question asked by PaulPerrault Employee on Oct 20, 2014
Latest reply on Nov 20, 2014 by PaulPerrault

Hi there,

 

I'm using the AD9277 in an ultrasound application and am wondering about the AAF limitation.  It looks like the AD9277 has a 387 kHz lower frequency limit (page 32 of the datasheet here - http://www.analog.com/static/imported-files/data_sheets/AD9277.pdf#page=32) within the high-pass of the AAF.  Can anyone comment on whether this frequency can be reduced by reducing the sample clock frequency, as in below 8 MHz?

 

Thanks!

-Paul

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