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high-frequency substrate - KKPCB

Hybrid Stackup and Miniaturized RF Design with PTFE PCBs in Next-Generation 5G Base Stations

1. Engineering Overview   Next-generation 5G base stations require high-density, miniaturized RF front-end modules with low insertion loss, precise impedance, and stable phase performance across mmWave bands (28–39 GHz).   PTFE PCB laminates, with Dk = 2.15 ± 0.02 and Df = 0.0009 @10GHz, provide superior dielectric consistency and thermal stability for tightly packed MIMO...

Dielectric Uniformity and Manufacturing Precision of PTFE PCBs for Aerospace Communication Equipment

1. Engineering Overview   Modern aerospace RF communication equipment, including satellite transceivers and spaceborne antenna modules, demands ultra-low-loss PTFE PCBs with tight dielectric uniformity and precise manufacturing tolerances. Small variations in Dk or CTE can lead to phase drift, impedance mismatch, and degraded link margin in Ku/Ka-band RF payloads.   PTFE PCB laminates, with Dk...