Importance

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Abstract

A noise filter has a substrate having main surfaces on opposite sides thereof and of a material capable of electrically isolating elements on the surfaces thereof, an input electrode on one main surface of the substrate, an output electrode on the one main surface of the substrate and spaced from the input electrode, an intermediate electrode on the one main surface of the substrate and having one end spaced from the input electrode and the other end spaced from the output electrode, the intermediate electrode having a reentering angle portion at a position along the length thereof between the input electrode and the output electrode, an inductance element connected between the input electrode and the end of the intermediate electrode spaced therefrom an a further inductance element connected between the output electrode and the end of the intermediate electrode spaced therefrom, a ground electrode on a main side of the substrate adjacent the reentering angle portion, and a capacitor between the reentering angle portion and the ground electrode.

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First Claim