Whats the Size of a Sample in digital logic analyzer?

[lokobob99]

Hello everybody, 

 

I'm currently using the Analog Discovery 2 and was wondering, if you could help me with a question:

The official specs of the Analog Discovery 2 list, that the Analog Discovery 2 has a Sample Rate of 100 MS/s. Now my task is to record a digital signal and send the data via sockets to a website. For that, I need to make calculations on the required bandwith.
Now for that I have to know, how big the size of one sample is. Is it 1 Bit (because digital signal can only be 1 or 0)? And what would be the size of an sample of an analog signal? 
Thanks in advance!

Kind regards, 
 

[attila]

Hi @lokobob99

For AD2 digital-in (Logic Analyzer) captures are transferred over USB as 16bit samples (16 DIOs) or 2x16 if data compression or noise capture is enabled.
The API has options to return these as 8,16 or 32 bit samples.
In your implementation you can probably forward the samples even at 1bit/sample if you want.