PIEZOELECTRIC FILTER DEVICE

• Main Author: KODA NAOKI
• Format: Patent
• Language: English; Japanese
• Published: 04.07.2019
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS

To make it possible to cope with wide and narrow passbands by using a single piezoelectric filter.SOLUTION: Impedances of input and output sides of a 4-pole piezoelectric filter 2 in which two 2-pole piezoelectric filter elements are connected in cascade are made to be different by first and second...