NI-6581 I/O capacitance

[marc8470]

Hello,

I'd like to know the capacitance of all I/O of the NI-6581 adapter module  (for the lines  P0.<0..7>  P1.<0..7> P2.<0..7> ...)

The Ni-6581 specification guide inform us only about Power rail capacitance... (50µF per rail)

thanks

[YannC]

Hi,

Why do you want to know the I/O lines capacitance of the NI-6581?

Regards

[marc8470]

Hi,

       I'd like to know the capacitance of NI-6581 I/O because I want to use an amplifier which the current gain is depending (among others) of the capacitance of the input line.

Regards

[YannC]

Hi,

the impedance of an output line is 50 Ω. I think the capacitance is negligible in regard to the output impedance.

Can you give me the part number of this amplifier.

Thanks 

Regards