Signal Integrity PCB Design - Extended Professional Edition is a practical engineering guide for designing robust high-speed PCBs with predictable electrical performance. This extended edition develops signal integrity from the physical behavior of PCB interconnects through practical stackup design, controlled impedance, return-path management, crosstalk reduction, via transitions, high-speed interfaces, simulation, measurement, and debugging. The book focuses on understanding why high-speed PCB structures behave as they do, then translating that understanding into practical design decisions. You will learn how to: Understand rise time, bandwidth, transmission lines, reflections, and impedance Design stackups for controlled single-ended and differential impedance Manage return-current paths and reference-plane transitions Reduce near-end and far-end crosstalk Analyze vias, stubs, connectors, and PCB discontinuities Route and review DDR, PCI Express, SerDes, USB, Ethernet, and clock networks Understand the interaction between Signal Integrity and Power Integrity Work with S-parameters and frequency-domain channel behavior Interpret eye diagrams, jitter, insertion loss, and return loss Use TDR and VNA measurements to correlate simulation with hardware Identify common-mode conversion and EMI-related signal-integrity problems Develop practical PCB design-review and debugging workflowsThe Extended Professional Edition goes beyond the shorter introductory version by adding deeper treatment of real PCB structures, design trade-offs, high-speed interfaces, simulation techniques, measurement methods, practical examples, and engineering verification. Special attention is given to the relationship between:Geometry → Electromagnetic Behavior → Measurement → PCB PerformanceThe book also includes practical case studies, design-review methods, troubleshooting guidance, and engineering checklists that help translate signal-integrity theory into repeatable PCB design practice. Rather than treating signal integrity as a collection of isolated routing rules, this book presents it as a complete engineering process:Requirements → Stackup → Impedance → Routing → Return Paths → Transitions → Simulation → Measurement → ValidationWho This Book Is ForIdeal for PCB designers, electronics engineers, hardware engineers, signal-integrity engineers, RF engineers, FPGA designers, advanced students, and professionals working with high-speed digital systems. Whether you are designing a relatively simple controlled-impedance interface or a complex multilayer PCB containing DDR, PCIe, SerDes, USB, Ethernet, clocks, and mixed-signal circuitry, the objective remains the same:Create a physical interconnect whose electromagnetic behavior is understood, controlled, and verified. Part of the PCB Engineering Mastery Series, this volume complements the books dedicated to advanced PCB design, stackup engineering, EMC/EMI, RF, power electronics, manufacturing, and troubleshooting. Understand the signal path. Control the electromagnetic geometry. Verify the real hardware. Design better high-speed PCBs.