Specifying controlled impedance is only half the job – you also need to verify it. This article explains what PCB impedance coupons are, how manufacturers use Time Domain Reflectometry (TDR) to measure them, how to read a TDR report and when it makes sense to request coupons and testing for your high‑speed and RF boards.
How PCB Manufacturers Use TDR and Coupons to Verify Controlled Impedance Read More »
In the world of PCB manufacturing, catching defects early can save you time and money. Enter the PCB Test Coupon—a small but mighty tool that acts like a quality checkpoint for your entire production run. At JHYPCB, we’ve relied on PCB Test Coupons for years to verify everything from trace widths to interlayer connections in our rigid, flexible, and rigid-flex PCBs. This guide explains what a PCB Test Coupon is, how to design one effectively, and the key tests it enables, like controlled impedance and IPC standards. Whether you’re prototyping a single-sided board or scaling up to turnkey assembly with SMT and THT, understanding PCB Test Coupons will help you build boards that perform flawlessly. Let’s dive in.
What is a PCB Test Coupon? Essential Guide for Reliable PCB Manufacturing Read More »
Discover 7 expert tips to evaluate PCB quality, including PCB traces, decoupling capacitors, and testing methods. Ensure reliable boards for your projects with this comprehensive guide from JHYPCB.
How to Judge PCB Quality: 7 Expert Tips for Reliable Boards Read More »
The quality control methods of printed circuit boards mainly include testing and inspection. PCB testing and inspection methods include Visual inspection, Multimeter testing, Destructive testing, etc.
