10-08-2015, 07:03 PM
Does the CRT really not have an internal graticule? You have to go back quite a long way to find Tek scopes using an external graticule.
I wonder if the probes are loading the signals. Easy way to check is to stick a 2nd probe on the same point and see if the waveform changes significantly.
I wonder if the probes are loading the signals. Easy way to check is to stick a 2nd probe on the same point and see if the waveform changes significantly.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv
