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High-Frequency PCBs for RF Applications: Materials, Manufacturing, and Design

High-frequency PCBs (Printed Circuit Boards) are critical components in modern wireless communication systems. They handle RF (Radio Frequency) signals that range from 300 MHz to 300 GHz, a spectrum used by technologies like 5G, IoT devices, radar systems, and satellite communications. These signals need to travel long distances without losing power or clarity, which is where high-frequency PCBs play...

EPIG vs ENIG vs ENEPIG for RF, microwave, high-speed and fine-pitch PCB designs

For standard SMT PCBs, surface finish is often selected for solderability, storage life and cost. But for RF, microwave, high-speed PCB, HDI, fine-pitch, radar, satellite communication, 5G RF and defense communication PCBs, surface finish can become part of the electrical performance discussion. The key question is not simply: Which gold finish is better? The better...