What does your setup look like?

[rugomol]

HDMI noise

1090 MHz interference from HDMI adapter?

I wonder if there is significant difference in TV technology. Mine is an older, 720p plasma. I recently installed a 15 MHz bandpass filter on the antenna closer to TV. But before that, I don’t remember it being affected by TV. Now that I start to understand viedehopf’s graphs1090, these effects can be quantified. In this plot, noise rose 10 dB after plug on, depressing usable dynamic range from 30 dB to 15 dB. [piaware-graphs1090] The “shield up” point was when I used paper clips to con…