Resistance standards are incredibly useful, but like so many precision references they require regular calibration, ...

Radio telescopes are instruments that capture faint radio signals from space and convert them into images of celestial bodies ...

PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause ...

Abstract: The multimode thru-reflect–line (TRL) algorithm is widely used for on-wafer differential circuit calibration. This article presents the design and calibration of coplanar grounded waveguide ...