What are the Filtering Differences Between SAWs and BAWs? (.PDF Download)

Acoustic waves may seem out of the useful range of RF/microwave designs, but such low-frequency waves are quite effective in higher-frequency systems. They form the foundation for surface-acoustic-wave (SAW) and bulk-acoustic-wave (BAW) resonators, filters, oscillators, and delay lines. Components based on these technologies have found their ways into many applications, from automotive navigation systems and smartphones to military radar systems...

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