Controlled Impedance

/Tag: Controlled Impedance

mother board prototype pcb Assembly service

Technical description prototype pcb Assembly service Product type: 6 Layers Board Material: Fr4 S1000-2 TG170 Application filed: Electronics Equipment Layer/thickness: 6L/1.6mm Surface treatment: ENIG Line space/width: 0.10/0.10mm Minimum hole size: 0.25mm Technical Feature: Fine line, impedance control Components: As Bom list

PCB manufacturing-What Is Trace Impedance

In printed circuit boards, wires and traces are typically formed from copper because it is the least-resistant element apart from silver. Put an ohm meter over a trace and the DC resistance is almost negligible. The same cannot be said of AC impedance. Impedance, unlike resistance, is based on frequency. All wires and traces will generate at least some impedance to current flowing from any driver. While, usually, you must have a fairly fast rise time for your signals for trace impedance to become a problem, it’s important that you be aware that trace impedance exists and can become an [...]