Metamagnetics Introduces Surface-Mount Auto-Tune Filters to Mitigate EMI Interference

November 19, 2025 - Metamagnetics, Inc., a leader in adaptive RF technologies, has developed a Surface-Mount Auto-Tune Filter (AtF®-SM). Auto-tune Filters™ (AtFs) are a better alternative to limiters and filters. They provide a broadband, fast-response, simple solution that protects receivers from electromagnetic interference (EMI) and ensures that signals-of-interest are detected. These devices have a power threshold level which no one signal can exceed. If one or more signals exceeds the threshold, the Auto-tune Filter™ automatically limits it by attenuating the signal.

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