空腔型薄膜体声波滤波器的关键技术进展
陶桂龙1,2(
), 支国伟2, 罗添友2, 欧阳佩东2, 衣新燕3, 李国强1,2,3()
), 支国伟2, 罗添友2, 欧阳佩东2, 衣新燕3, 李国强1,2,3()
Progress on Key Technologies of Cavity-structured Thin Film Bulk Acoustic Wave Filter
TAO Guilong1,2(), ZHI Guowei2, LUO Tianyou2, OUYANG Peidong2, YI Xinyan3, LI Guoqiang1,2,3()
), ZHI Guowei2, LUO Tianyou2, OUYANG Peidong2, YI Xinyan3, LI Guoqiang1,2,3()
图1. 基于L型结构的FBAR滤波器的工作原理
Fig. 1. Operating principle of the L-type FBAR filter
(a) Electrical characteristics of the idealized FBAR; (b) Fundamental unit of the L-type structure; (c) Transmission response
