why? most usb scopes suck and for $500 i can get a siglent or hacked rigol for same price that is standalone or network connected.. oh now i see "1Gs shared across all 4 channels" so its even worse...
I know. It's interesting how the chinese import scopes have really brought the point of entry for a good device that can even offer a SpecAn down.
I've seen more than one lab forgo the "big guys" stuff in favor of 3-4 Rigol devices instead.
The good part about USB scopes for me has been the software. Basically, protocol decoding capability and an endless buffer, and the display and controls on a laptop are nice.
digital decoding is probably the best thing for usb scopes as they are flexible for reprogramming the fpga inside to do whatever you want, which is probably the reason for pushing open source. But 4 channels split between 1G/s with 350mhz BW (nyquist theorem?) is.... not great at all for $500
Yeah not good resolution. The reason for the split across channels thing is they all share a single DAC (according to their specs. Wouldn't it be an ADC?), so they are using time division multiplexing in multi channel mode.
Depends what you need it for. I get away with using a Logic Analyzer sometimes, when I just want to snoop protocol data in flight. Sometimes that resoution would be good enough, sometimes not.
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