Coax Line driver for pulse train generation

[psuedo]

Hi,

I wish to drive a 50 ohm terminated coax cable from the pulse train I generate with a daq counter/timer.  My understanding is this board is limited to around 25 mA of drive current, which is not enough.  Can you recommend any chips or preferably an 'eval' board I can buy to serve this purpose?  Does NI sell anything?  Thanks.

[Henrik_Volkers]

Probably a 74HC(T)'140 or '244 with parralleled outputs? 

Some more information about timing and output level needed would help.

Or

http://www.pulseresearchlab.com/products/linedrivers/prl-444/prl-444_main.htm

I would give a '244 a try..