Filtered-sample-and-hold


Posted on Mar 10, 2013

Itis often required that a signal be filtered prior to sampling. This can be accomplished with only one device. Use any of the inverting and noninverting filters that can be built with op amps.


Filtered-sample-and-hold
Click here to download the full size of the above Circuit.

However, it is necessary that the sampling switch be closed for a sufficient time for the filter to settle when active filter types are connected around the device.




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