1. Engineering Overview Automotive mmWave radar modules for advanced driver-assistance systems (ADAS) require precise RF signal propagation with minimal loss and stable impedance across multilayer PCBs. Trace density and high-frequency operation introduce challenges in maintaining signal integrity and crosstalk suppression. Megtron 7 PCBs, with Dk = 3.40 ±0.02 and Df = 0.0018 @ 10...




