Intended to accompany Adel Sedra and KC. Smith's 4th edition of "Microelectronic Circuits", this text includes hundreds of extra problems and solutions of varying degrees of difficulty for student review. The solutions are completely worked-out to facilitate self-study. K.C. Smith supports additional problem-solving tips on their website. This book is intended for undergraduate students of Microelectronics, adopters of the text "Microelectronic Circuits, 4th edition".