Introduction to Wireless Communication Circuits (River Publishers Series in Circuits and Systems) delves into the cutting-edge developments in wireless communication technology over the past decade, revolutionizing human interaction through advanced RF and Microwave circuits design. Focused on essential RF-level circuits used in wireless communications, this second edition explores Oscillators, Modulation and Demodulation techniques, Mixers, and RF and Power Amplifier Circuits. The book presents topics in a structured sequence, offering thorough analysis and practical insights with numerous solved examples. Each chapter concludes with related problem sets to reinforce understanding, making it an invaluable resource for students and professionals alike.