I am looking for a PC based function generator (at least two outputs) that can generate continuous square waves (of course) but great added capabilities could be:
a. Ability to release a "burst" of pulses (i.e. defined number)
b. Ability to program a shifting range of frequencies

Any suggestions?

By the way, for a PC based scope, I think I will get the DSO-2090 from Hantek which looks to be quite OK (and I read good reviews).

 

Just to share that I have found this one:

http://www.vellemanusa.com/us/enu/product/view/?id=523616

But if anyone has any suggestions please post them still

 

An Arduino could do this. But how about more specs? How fast for example.
Lady Ada has been working on ideas for this, check out her site.