Hackaday (unofficial) April 22, 2024 9:00pm Ancient Cable Modem Reveals Its RF Secrets #retrocomputing #reverseengineering #cable #demodulation #modem #nabu #oqpsk #quadrature #rf #videotext #hackaday posted by pod_feeder_v2 Ancient Cable Modem Reveals Its RF Secrets Most reverse engineering projects we see around here have some sort of practical endpoint in mind. Usually, but not always. Reverse-engineering a 40-year-old cable modem probably serves no practica…
Hackaday (unofficial) February 11, 2023 4:00am JFET Stands in For Triode in This Infinite Impedance Detector #radiohacks #am #demodulation #detector #if #jfet #rf #thermionicemission #triode #hackaday posted by pod_feeder_v2 JFET Stands In For Triode In This Infinite Impedance Detector An “Infinite Impedance Detector” might sound a little like something that [Zaphod Beeblebrox] would use to zip around the galaxy. It’s not, of course, but it is an interesting and…