The Arts of VLSI Circuit Design - Symmetry Approaches toward Zero PVT SensitivityThis is one of a book in a VLSI circuit design book series Dr. Hongjiang Song published under the VLSI signal processing circuit techniques. This text covers various state of the arts circuit design techniques based on VLSI symmetry principles. These methods offer inherently low PVT sensitivity for VLSI analog circuit design with superior scalability and performance.