Abstract
Investigation of Characteristics of Dual-band Ladder-type Surface Acoustic Wave for High-power Durability Duplexer
Highlights
The use of mobile devices has widely affected society given the progress of technology
surface acoustic wave (SAW) devices developed for radio frequency identification (RFID) have been widely used in barcodes, electric wallets, and electronic charging.[10,11] With the many sensor and RF applications, the SAW filter is expected to be used in wireless sensor systems
Most of the duplexer structures are composed of ladder-type and double-mode SAW (DMS) filters.[12,13] The laddertype SAW filters are composed of numerous SAW resonators that are in serial and parallel arrangements and integrated on a single chip
Summary
The use of mobile devices has widely affected society given the progress of technology. Most of the duplexer structures are composed of ladder-type and double-mode SAW (DMS) filters.[12,13] The laddertype SAW filters are composed of numerous SAW resonators that are in serial and parallel arrangements and integrated on a single chip. They exhibit lower insertion losses and higher power capabilities than the DMS structure filters. The simulation of the SAW filter revealed the combination of the Mason equivalent circuit and RLC models with high-accuracy frequency characteristics. We simulated a dual-band SAW filter in identical ladder-type structures for high power durability and wireless sensing application
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