How To Specify A Custom SAW Filter

Because of the special qualities of SAW devices, it is not helpful to think in terms of standard responses such as Butterworth or Chebyshev. Instead, it is better to specify the basic requirements directly. It has to be remembered that there are many types of SAW filters, so a particular requirement will often be met by only one or two types. On the other hand, the existence of many types gives attractive options to the designers.