Abstract:This paper presents the new balanced SAW filters using fan-shaped IDTs with reduced insertion loss, a fractional bandwidth of 10-24% on 128ºYX LiNbO 3 Keywords-SAW; filter; fan-shaped; IDT; low loss . The fan-shaped threetransducer structure containing one input IDT and two output IDTs with the split electrodes is used in these filters. The constructional and topological optimization of the SAW filters is provided with a computer simulation using an δ-function model. The 255, 305 MHz samples of the SAW filters… Show more
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