If you’ve ever used an NE602 or similar IC to build a radio, you might have noticed that the datasheet has a “gilbert cell” mixer. What is that? [Electronics for the Inquisitive Experimenter] explains ...
Power Division has taken a major step toward improving customer service and operational efficiency through the large-scale rollout of smart meters across electricity distribution companies (DISCOs) in ...
National Astronomical Observatories, Chinese Academy of Sciences, A20 Datun Road, Chaoyang District, Beijing 100012, China Key Laboratory for Radio Astronomy, Chinese Academy of Sciences, Nanjing ...