Goal line tech uses low frequency radio or cameras to detect when a soccer goal has been scored. No more arguments about “was it in?” Read more
Tag: hamradio
Primary RFI Paths – A Mitigation Framework
Between sources and victims of received RFI are four primary RFI paths. Each requires understanding and applying different mitigation approaches. Read more
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
LTSpice FFT Spectrum Analyzer for Amplifiers
You can use an LTSpice FFT to check expected performance from an amplifier, and compare simulated results to the data sheet specifications. Read more
Third Party PCB Fabrication – My OSH Park Experience
My first experience with third party PCB fabrication was painless, reasonably priced and relatively fast. Oh, and they are much better than anything I could have done myself. Read more
Surface Mount Toner Transfer Experiments
My surface mount toner transfer experiments led me to move from using magazine pages to heavier photo paper stock to get better results. Take a look! Read more
Wideband Loop Base Amplifier Feeds Receiver
We complete the electronics requirements for our loop antenna design with a wideband loop base amplifier to match the transmission line to a receiver. Read more