The Challenge — Miniaturization vs. RF Integrity In the race toward smaller, lighter, and more integrated microwave systems, engineers face an unavoidable trade-off: how to pack more functionality—LNAs, filters, phase shifters, power amplifiers—into limited PCB real estate without compromising signal integrity or dielectric stability. Rogers Duroid 6010, with its high dielectric constant (Dk...
Why Cavity Resonance Is the Hidden Enemy in High-Dk RF Boards In high-frequency RF front-end modules—especially those operating beyond 20 GHz—engineers often encounter unexpected resonance spikes, gain ripple, and phase drift despite ideal simulations. The culprit is frequently cavity resonance—localized standing waves caused by dielectric thickness, copper enclosure geometry, or high-Dk material behavior. ...
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