RFIC 2020 Guest Editorial

This Mini-Special Issue of the IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (TMTT) is comprised expanded articles from 2020 Radio Frequency Integrated Circuits Symposium (IEEE RFIC), held virtually on August 4–6, 2020, in response to worldwide COVID-19 pandemic. First, we are grateful organizers symposium, including steering and technical committees, as well sponsors symposium—it due their tremendous work that were able switch planned symposium at Los Angeles a rewarding engaging virtual instead. The part Microwave Week, combination with International (IMS), Automatic Techniques Group (ARFTG), Industry Exhibition, had more than 5000 registered participants.