Transitioning from Maxwell’s Equations to lumped circuit models.
The book is structured to guide learners from basic circuit laws to complex digital systems through several critical "abstractions": Key Focus Areas
Using MOSFETs as switches and amplifiers; large-signal and small-signal models.
Foundations of Analog and Digital Electronic Circuits - Elsevier
Some institutions provide access to the PDF for their students or as part of open educational initiatives, such as the University of Oregon's electronics notes which cover similar foundational topics.
The "Op-Amp" abstraction and its applications in analog computing. Why This Book is Unique