Qualcomm Incorporated

Alborz Jooyaie

Shervin Moloudi

A balun is disclosed that includes a main tank circuit, and at least one auxiliary tank circuit. The main tank circuit includes a primary winding and a secondary winding. The auxiliary tank circuit, which includes an auxiliary winding magnetically coupled to the primary and secondary windings and terminated in a capacitor, is electrically isolated from the main tank circuit and from an output port of the balun. The frequency responses of the main tank circuit and the auxiliary tank circuit may combine to result in a composite frequency response that is wider than the frequency response of the main tank circuit. The auxiliary tank circuit may be formed within an interior area of the primary and secondary windings of the main tank circuit.

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Irvine, CA, United States of America

Alborz Jooyaie