Acronym · Photonics, MEMS & Sensors
BAW (Bulk Acoustic Wave)
A filter or resonator technology in which an acoustic wave propagates through the thickness of a piezoelectric film sandwiched between electrodes. It gives steep skirts and low loss at high frequencies, above where surface wave devices fade.
- Also known as
- FBAR, SMR
- Type
- Acronym
- Domain
- Photonics, MEMS & Sensors, MEMS
Notes
Dominates high-band cellular and Wi-Fi filters; Broadcom and Qorvo are the principal suppliers.
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