75ohm driver?

[|[| Philip Pilgrim |]|]

Mark Amundson wrote:
> 
> The 75 ohm is easy with standard logic. The tough part is the
> unmentioned trace inductance and capacitance of your wiring to the load.



Ok, the load is a 75ohm resistor at the end of a 2m to 3m length or
RG-59 cable. I guess the inductance is pretty much 0 but the capacitance
is 60 pf/m. So it's a total 150pf cap and 75ohm resistor at 48kHz.

Philip

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