It's time to restore the 11/45.
ard at p850ug1.demon.co.uk
Thu Feb 5 14:19:47 CST 2015
> That amounts to a differential (rather than single-ended) input, and I
> would consider that the _right_ way to do it. But, of course, that
> costs, and single-ended is plenty good enough for most purposes, so
> that's what most scopes do. :-(
Even when a 'scope has true differential inputs the common-mode range
may not be large enough to include mains.
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