Between sources and victims of received RFI are four primary RFI paths. Each requires understanding and applying different mitigation approaches. Read more
Category: Radio Frequency Interference
Residential RFI Antenna All Around You
Household wiring is a near perfect residential RFI antenna. It combines conducted and radiated paths to drown out your shortwave receiver. Read more
How EMI Filters Work – Check the Details
You can learn a lot about how RFI is conducted by studying how EMI filters work. Let’s check one out in detail. Read more
Broadband RFI Spectrum and Transmission Paths
We listen to our radios in a broadband RFI spectrum conducted and radiated all around us. Read more
RFI Transmission Paths – How Does It Get Into My Receiver?
Your house and neighborhood are full of RFI transmission paths. It’s time to understand these better as we fight the effects of interference on our radio hobbies. Read more
Beamforming Comparison – Analog versus Digital
My experimental beamforming comparison shows that both analog and digital approaches work well and provide roughly the same results. See my video. Read more
Digital Phasing Reduces Radio Frequency Interference
Watch digital phasing reduce local noise and interference using Spatial Interference Filtering Techniques. It really works! Read more
Shack Noise Floor – Spring Cleaning
At least once a year, you should do a complete cleanup to make sure you have not introduced new sources of RFI in the radio shack. Here’s how to sweep the shack noise floor. Read more
AFE822x Coherent RFI Filtering Performance
My AFE822x coherent RFI filtering goal has been accomplished. Every SDR should be capable of spatial interference filtering techniques. Read more
Fix Monitor RFI in your Radio Shack
Here are some tips you can use to fix monitor RFI in your radio room. I hope these will work for you. Read more