19-07-2020, 05:55 PM
I would do it with scope probe on the HT rail. Use AC coupling on the scope so you can increase the gain without the DC influencing the trace. Definitely use a x10 probe; although a scope input should be able to withstand normal HT rails it's better not to find out the hard way.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv








