The IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I) publishes regular papers in areas of relevance to the IEEE Circuits and Systems Society, namely the theory, analysis, design, and practical implementation of circuits, and the application of circuit techniques to systems and signal processing. The topics of interest covered include: 1. Analog, Digital and Mixed Signal Circuits and Systems, 2. Nonlinear Circuits and Systems, 3. Circuits and Systems for Communications, 4. Power Electronics and Systems, 5. Software for Analog and Digital Circuits and Systems, 6. Control aspects of Circuits and Systems.