Acronym · Photonics, MEMS & Sensors
SAW (Surface Acoustic Wave)
A filter technology using interdigitated electrodes on a piezoelectric substrate to launch and receive an acoustic wave travelling along the surface. It is cheap and compact but loses performance above roughly 2.5 GHz and over temperature.
- Also known as
- TC-SAW, Temperature-compensated SAW
- Type
- Acronym
- Domain
- Photonics, MEMS & Sensors, MEMS
Notes
Still the volume choice for low-band cellular filters, with temperature-compensated variants closing part of the gap to BAW.
Related terms
- BAW
- RF front end
- Lithium niobate
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