Abstract
The design of a selectable performance front-end filter using acoustic surface waves (SAW) is discussed. Selectable performance is achieved using a finite impulse response (FIR) transversal filter topology. This topology, critical in obtaining selectable performance, is also inherently a limiting factor when implemented using SAW. The filter is constrained to a fixed set of delay times determined jointly by the wave velocity and the deposited metallization. The resulting performance limits filter parameters such as center frequency, passband bandwidth and shape factor.
| Original language | English |
|---|---|
| Pages (from-to) | 135-138 |
| Number of pages | 4 |
| Journal | Proceedings of the IEEE Ultrasonics Symposium |
| Volume | 1 |
| State | Published - 1997 |
| Event | Proceedings of the 1997 IEEE Ultrasonics Symposium. Part 1 (of 2) - Toronto, Can Duration: 5 Oct 1997 → 8 Oct 1997 |
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