The book is widely used in the field of RF and microwave engineering, and it's considered a classic textbook. However, I couldn't find a free PDF version of the book that's readily available online.
: Professor Razavi has numerous lectures available on platforms like YouTube that cover core concepts found in the book. RF microelectronics = She pin wei dian zi / monograph rf microelectronics behzad razavi pdf free
Below is an essay looking into the significance and core themes of this seminal work in electrical engineering. The book is widely used in the field