Patent ID: 8823468
Filing Date: 2014-09-02
Classification: H03H

Abstract:
1. A multilayer filter comprising: a laminate including a plurality of dielectric layers stacked on each other; an unbalanced terminal; a first balanced terminal; a second balanced terminal; and a filter circuit; wherein a capacitor is connected between the first balanced terminal and the second balanced terminal; the capacitor includes a first capacitor including, as one of opposed electrodes thereof, a first inner-layer plate electrode electrically connected to a terminal electrode of the first balanced terminal and, as the other of the opposed electrodes of the first capacitor, a first floating electrode not connected to a ground, and a second capacitor including, as one of opposed electrodes thereof, a second inner-layer plate electrode electrically connected to a terminal electrode of the second balanced terminal and, as the other of the opposed electrodes of the second capacitor, a second floating electrode not connected to the ground, the first capacitor and the second capacitor being connected in series; a first electrode group including the first inner-layer plate electrode and the first floating electrode and a second electrode group including the second inner-layer plate electrode and the second floating electrode are located on different ones of the plurality of dielectric layers; and the first electrode group and the second electrode group are arranged to be at least partially overlapped with each other, when looking at the laminate in a stacking direction thereof.