Time to try some more analog devices for noise reduction and antenna phasing, starting with the RA0SMS X-Phase QRM Eliminator kit. Read more
Series: X-Phase QRM Eliminator
Simple circuit for reducing local RFI from RA0SMS and others.
Assembling My RA0SMS X-Phase QRM Eliminator
I finally got around to assembling my RA0SMS X-Phase QRM Eliminator kit which arrived from Russia last month. Here’s the story. Read more
Wiring My X-Phase RFI Fighter
Wiring my X-Phase QRM Eliminator kit was fairly easy, but here are a few things to keep in mind if you build one of these. Read more
X-Phase Performance on Shortwave
So, what’s the verdict on X-Phase performance for reducing RFI during shortwave listening? Pretty good, actually, for something so cheap and cheerful. Read more