PCMag

Gamers Find That Nvidia's DLSS 4.5 Can Upscale 240p Pixel Junk, Make It Playable

Gamers have now upscaled Hellblade II: Senua's Saga from 720p to 4K with impressive clarity. Maybe not quite as good as ...
PCMag

Hands On With MSI's GeForce RTX 5090 32G Lightning Z: Is This the World's Most Extreme Graphics Card?

Only 1,300 will ever exist! From its massive copper cold plate to its full-surface LCD screen, this is the most overbuilt ...
IEEE

Microwave Radiometer Calibration Using Low-Noise Amplifier as Calibration Source

Abstract: We present a novel method for built-in noise and gain calibration of a total power radiometer using a low-noise amplifier (LNA) as the calibration source. A terminated LNA’s biasing is ...
IEEE

A 24–28-GHz Single-Chip GaN MMIC T/R Front-End Using Doherty Power Amplifier as Embedded Switches in Rx Mode

Abstract: This article presents a novel millimeter-wave (mm-wave) single-chip gallium nitride (GaN) monolithic microwave integrated circuit (MMIC) transmit–receive (T/R) front-end for 5G-NR FR2 ...