If you've never heard of a 'DAC' before, you might be surprised to hear that you most likely use one everyday. DAC stands for digital-to-analogue converter and any device that delivers digital sound – ...

Abstract: This article presents a new transceiver configuration based on the low-noise power amplifier (LNPA) approach targeting the reduction in size and the overall biasing complexity. In such ...

Abstract: A physically unclonable function (PUF) circuit extracts unique identification data from device variability, and it is an important technology for authentication and cryptographic key ...

Gr-leo is a GNU Radio Out-of-Tree module [1] that simulates the telecommunication channel between orbiting satellites and Ground Stations. Telecommunication systems are affected by a plethora of ...

Hear the Fresh Air program for Jan 16, 2026 ...

Foster was just 12 years old when she starred in the 1976 film. "What luck to have been part of that, our golden age of cinema in the '70s," she says. Her latest film is Vie Privée (A Private Life).