Electrophysiology - amplifier

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Albert24
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Electrophysiology - amplifier

Good morning,

I am begginign electrophysiologist. I need to perform recording from a nerve root, but I have only a DC-coupled amplifier. I have read somewhere that I can make it AC-coupled if I put a capacitor in series between the amplifier and my digidata. Can somebody suggest me which capacitor to use?
I would be very grateful for the advice.
Thank you in advance,

Albert24