Hackaday

Building Your Own DVB-S2 Receiver

Generally, a digital TV tuner is something you buy rather than something you make yourself. However, [Johann] has always been ...
Utah Public Radio

How NASA works with volunteers to track spacecraft

NASA is recruiting volunteers to help track the path of the Artemis II mission that is sending a crew to orbit the Moon.
Hackaday

Heart Rate Measurement Via WiFi, The DIY Way

A few weeks back, we reported on a research group that figured out how to measure heartrate using perturbations in WiFi signals. [Nick Bild] was interested in this so-called “Pulse-Fi” ...
IEEE

SiGe Transmitter and Receiver with Integrated Mixers and LO Chains for K/Ka Band Phased Array Systems

Abstract: This paper presents a Ka-band transmitter and a K-band receiver RFICs for SatCom Phased-Array Systems. The circuits are fabricated by using 130-nm SiGe:C BiCMOS technology. They share the ...