Issue link: https://iconnect007.uberflip.com/i/509724
4 The PCB Design Magazine • May 2015 Controlled Impedance Design by Barry Olney The Do's and Don'ts of Signal Routing for Controlled Impedance by Mark Thompson Impedance Control, Revisited by Martyn Gaudion Controlled impedance PCBs are becoming more common now, especially in high-speed appli- cations. Designing these boards can be particularly challenging. This month our expert contrib- utors Barry Olney of In-Circuit Design, Martyn Gaudion of Polar Instruments, and Mark Thomp- son of Prototron Circuits focus on the ins and outs of controlled impedance design. 10 18 24 FeatureD Content May 2015 this Issue: Controlled ImpedanCe