Deloptes  wrote:
> bob prohaska wrote:
>
> > If there are other USB oscilloscope options worth looking at
> > please post. I don't specifically need RF performance, but if
> > it's available it's worth a look.
>
> look at SDR software defined radio. Especially receivers are ~20,- US$ range

It is worth understanding what frequency range you're interested in.
Soundcards are typically 20Hz-20kHz.
SDR often has a limited bandwidth and doesn't go below ~30MHz.

Often for oscilloscope purposes you're interested in DC, which is outside
the range of this hardware.  Soundcards may go that low, or maybe it can if
you remove a series capacitor.

Theo

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