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Sun Jun 8 15:46:57 EDT 2014

BNC-T to two scopes: don't use 10x probes

I have both a cheap digital Rigol DS1052E and an old analog scope
hooked up to the same probes, probing high impedance points in an
analog synth circuit.

Obvious in retrospect, but when you do this, don't use the probe in
10x mode!  It will divide against 500k instead of 1M and so reduce the
gain to .5/(9+0.5) instead of 1/10, and seemingly distort the waveform
to boot.






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