I am using a DAQ device, which is said to be capable of 400kS/s maximum, and therefore 50kS/s per channel when using all 8 channels. This is listed in the manual of the 1608fs plus DAQ
So I connected a function generator, and I'm sending a square wave of 25kHz, following nyquist theorem, to all 8 channels.
I thought at 50Ks/s sample rate I'll see the square wave in the software, but even at 10kHz from function generator I am not seeing a square wave. I am seeing a square wave more and more as I lessen the frequency, but I'd expect a square wave at 25kHz and below if its capable of the sampling it specifies that it is, am I wrong to expect that? Is it not capable of what it says it can do?