• May 21. 2025

How to Choose the Right PCB Substrate for High-Frequency Applications? (Rogers vs. FR4 Comparison) Introduction In today's rapidly advancing electronics industry, selecting the right printed circuit board (PCB) substrate material has become increasingly critical—especially for high-frequency applications. Whether you're designing cellular base stations, automotive radar systems, or satellite commu...

• May 21. 2025

Multilayer Stackup Design: Minimizing Crosstalk in High-Speed PCBs Introduction In high-speed PCB design, signal integrity is paramount. As data rates increase, crosstalk—unwanted electromagnetic coupling between traces—becomes a critical challenge. A well-optimized multilayer stackup is essential to minimize crosstalk while ensuring signal integrity, power delivery, and manufacturability. This ar...

• June 12. 2025

How to Choose Between RO4350B, PTFE, and Ceramic-Filled Substrates？ Introduction High-frequency PCBs are critical in modern RF and microwave applications, including 5G communications, radar systems, and satellite technology. Selecting the right substrate material is essential to ensure signal integrity, thermal stability, and manufacturability. Three of the most commonly used high-frequency PCB ma...

• July 04. 2025

Looking for Reliable PTFE PCBs? What makes F4BM PCB Stand Out? Brief introduction Wangling F4BM high frequency materials are PTFE glass fiber cloth copper clad laminates that combine glass fiber cloth,PTFE resin, andPTFE film through a meticulous manufacturing process. These F4BM series laminates offer improved electrical performance compared to F4B due to their wider range of dielectric...