1980’s Boomboxes

Terms like “wow & flutter”, “soft eject”, “high-speed dubbing”, “CrO2“, and “auto-reverse” are retired now, gone from today’s audio equipment lexicon. Some say that’s a good thing. I still have. read more…

RF Energy Exposure

Are you concerned that your Wi-Fi router is causing cancer? Worried that your smart electric meter is giving you headaches? There is a lot of pseudoscience, crazy theories, and false. read more…

FTRestore

The other evening, I decided it’d be a good idea to update my FT-991 with the latest firmware.Aside from this being a good idea generally, to keep up with the. read more…

Why 50 ohms?

Coaxial cables, antennas, amplifier inputs and outputs, typically have either a 50 ohm or 75 ohm characteristic impedance. Why? It all comes down to the characteristic impedance value for maximum. read more…

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About AD5GG
AD5GG works in the real world as an RF design engineer in the UHF (300 MHz - 6 GHz) range. Occasionally, he posts articles on this very site. Sometimes they're even worth reading.