MULTI-LAYER FILTER

摘要

PURPOSE: A multi-layer filter is provided to reduce a size of a circuit by performing a design in consideration of parasitic effect of an inductor and a capacitor. CONSTITUTION: A multi-layer filter includes a resonator, upper and lower ground units(20a,20b), an input electrode(21a), and an output electrode(21b). The resonator is formed by stacking a plurality of dielectric sheets and includes an inducer and a capacitor. The upper and lower ground units are positioned on an upper side and a lower side of the resonator. The input electrode and the output electrode are formed on one of the upper and lower ground units. An input signal inputted through the input electrode is outputted to the output electrode through the inducer, the capacitor, and the stub of each dielectric sheet.