i am no trying to drvie the Fuji Faldic W AC servo, input is 24 volt (built in optoisolation on servo driver), parallel port is 5 volt TTL
How to convert the 5 volt TTL to 24 Volt for high speed pulse input (100KHz)
can i just use ULN2803?
Any sugestion?

Please

regards
Ardona
Indonesia

The ULN2803 should work OK, I know the ULN2001 has 1us turn on/off time , I have also used the 2N7000 where the signals are just a couple or so.
Nosmo.