Design of Hybrid Bandpass Filter Chips with High Selectivity and Wideband Using IPD and FBAR Technology

<div>(a) The circuit schematic of the proposed hybrid BPF. (b) The simulated results of the ideal circuit (<svg height="11.8174pt" id="M5" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -8.6359 50.0598 11.8174" width="50.0598pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M541 160L512 170C485 116 462 88 439 67C411 41 376 35 318 35C272 35 238 37 224 48C207 61 205 85 212 121L290 533C305 611 308 615 391 622L397 650H139L133 622C217 615 221 612 206 533L126 118C111 41 103 34 23 26L17 0H474C489 31 528 124 541 160Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.294,3.132)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g><g transform="matrix(.013,0,0,-0.013,16.872,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,28.135,0)"><path d="M241 635C89 635 35 457 35 312C35 153 89 -12 240 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International Journal of RF and Microwave Computer-Aided Engineering

fig1

Figure 1

Figure 1: Design of Hybrid Bandpass Filter Chips with High Selectivity and Wideband Using IPD and FBAR Technology 