Originally published at: https://www.protoexpress.com/blog/how-to-design-and-build-a-hybrid-pcb-stackup/
A hybrid stack-up construction enhances your PCB’s performance and cost-effectiveness by combining different materials or technologies. It helps you achieve customized electrical, thermal, and mechanical properties for your circuit board design. Using this technique, you can combine both analog (RF) and digital circuits onto a single board. Typically, a hybrid RF board can have an operational frequency ranging from 2-5 GHz. Beyond this, opt for a pure stack-up with low-loss laminates. Highlights: To build a hybrid stack-up: Combine materials with different Dk to achieve optimized electrical, thermal, and mechanical performance. Use specialized materials only on selected layers to reduce signal…