- http://www.owon.co.uk/pdsSeries.asp  :
25MHz~100MHz Bandwidth
 Up to 500MS/s real time sample rate
 Max.6000 record length for each channel
8 bits  **** The Resolution is Too Low!!! *****


http://www.rigolna.com/products_ds1000.aspx
1102C/1102CD  100MHz
400 MSa/s, 200 MSa/s (Logic Analyzer)
8 bits *** The resolution is Too Low!!! ****
>> Both worse than cheap 20MHz Analogue Scope.

An analogue scope really only takes up more Depth on bench.

The USB ones are mostly useless, even when they do work on Linux.


Go for 400 to 500 Msps / 100MHz  at least 10bits.   Digital needs much
more speed/accuracy to equal  an analogue scope.


These scopes are barely better than toys.

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