Introduction to the Special Issue on the 2019 IEEE European Solid-State Circuits Conference (ESSCIRC)

This Special Issue of the IEEE Solid-State Circuits Letters is dedicated to the selected best papers from the 2019 IEEE European Solid-State Circuits Conference (ESSCIRC) that took place on September 23–26, 2019, in Kraków, Poland. This issue covers papers from all tracks. They are introduced in the following paragraphs.