The fourth edition features coverage of cutting edge topics--more advanced CMOS device electronics to include short-channel effects, weak inversion and impact ionization. In this resourceful book find: * Coverage of state-of-the-art IC processes shows how modern integrated circuits are fabricated, including recent issues like heterojunction bipolar transistors, copper interconnect and low permittivity dielectric materials * Comprehensive and unified treatment of bipolar and CMOS circuits helps readers design real-world amplifiers in silicon.