- Joined Mar 19, 2019
I've been getting some rather noisy signals and lots of advice about it. But... First is a 1kHz signal @ 100mV connected by coax from my sig gen to the scope. Nice and clean. Next is the same signal connected by scope probe to mini grabbers on coax. I tried all of my 6 various probes at both 1X and 10X and all 4 of my coax to mini grabber cables and got the exact same thing. So I can only conclude this is an outside EMI causing it. My question is, is this normal and the best I can expect or is there any way to attenuate the noise. I did build the Faraday box because of this but right now it's driving me even nuttier than usual.