4 MASK NMOS PDK: Overview and Xschem simulation

This is not a tutorial per se; it is an overview of why we want to create a PDK for our in-house 4-mask process. Some Links: 2mask PDK doc:https://docs.google.com/document/d/1a... Github 4mask spice files: https://github.com/ElisaParent/Intro-... Tiny Tape out VM for magic and Xschem: https://github.com/TinyTapeout/analog... MOSBius Linked in Post: https://www.linkedin.com/posts/matt-v...