frequencies
How Radio Frequencies Actually Work: From Electrons to Your WiFi
Right now, as you’re reading this, your device is performing a feat that would seem like magic to anyone just a century ago. Your phone is negotiating with distant cell towers, your WiFi router is streaming high-resolution video, and if you’ve got any IoT devices, they’re whispering to each other using protocols like LoRa. All…
A beginner’s guide to power of IQ data and beauty of negative frequencies – Part 2
Introduction and editor’s note This is a two-part series where DI authors Damian and Phoenix Bonicatto explore the IQ signal representation and negative frequencies. Part 1 explains the commonly used SDR IQ signal representation and negative frequencies without the complexity of math. This final part (Part 2) presents a device that allows you to play…
A beginner’s guide to power of IQ data and beauty of negative frequencies – Part 1
Editor’s Note: This is a two-part series where DI authors Damian and Phoenix Bonicatto explore IQ signal representation and negative frequencies to ease the understanding and development of SDRs. Part 1 explains the commonly used SDR IQ signal representation and negative frequencies without the complexity of math. Part 2 (to be published) presents a device…