Keating & Bennett, llp
LC filter circuit and laminated type LC filter
Two LC resonance circuits, each including a parallel combination of an inductor and a capacitor and both magnetically coupled, are connected between an input terminal and an output terminal, and a parallel resonance trap circuit including a parallel combination of an inductor and a capacitor is connected in series between at least either the input terminal, the output terminal and the LC resonance circuit.
Murata Manufacturing Co., Ltd.
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Noboru Hiroshi
Kato Masuda