? ? ? ? An analog AM bandwidth of 1KHz would be sufficient for tracking down utility power noise sources which typically generate 100 or 120 Hz fundamentals along with a few harmonics. The amplitude significant harmonics typically fall below 1 KHz. A real time, linear analog amplitude response output for connection of an external scope may be the most practical way to support hydro related RFI source searching. Maybe a filtered PWM output active during zero scan mode might be worth considering. The pocket size scopes which I discovered advertised online have significant trace storage and PC USB interface features. Some interesting models are priced within the $50-$100 range, IMHO not too bad of a financial burden for those serious about using the tinySA for tracking down RFI sources.
Tom, VA7TA
