Excellent demonstration of the rise and fall times and the affect of circuit changes ... I wondered if anyone used scopes any more !! On 10 Sep 2019 at 14:35, Jeffrey D Angus wrote: > > -- > Jeff-1.0 > wa6fwi > http://www.foxsmercantile.com > > > > --- > This email has been checked for viruses by AVG. > https://www.avg.com >