Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent
1998-09-28
2000-11-21
Pascal, Robert
Wave transmission lines and networks
Coupling networks
Electromechanical filter
310328, 310345, 310348, 310366, H03H 958, H03H 960
Patent
active
061509027
ABSTRACT:
A ladder filter includes an insulation substrate and a plurality of pattern electrodes provided on one major surface of the insulation substrate. A piezoelectric resonator which is a first series resonator, a piezoelectric resonator which is a first parallel resonator, a piezoelectric resonator which is a second parallel resonator and a piezoelectric resonator which is a second series resonator are arranged on the substrate in this order. External electrodes of these piezoelectric resonators are respectively bonded to the lands via a conductive bonding agent and are connected to pattern electrodes, respectively.
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Murata Manufacturing Co, Ltd
Pascal Robert
Summons Barbara
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