SAW Filters are electromechanical devices commonly used in radio frequency applications. Electrical signals are converted
a mechanical wave in a device constructed of a piezoelectric crytal or cermaic; this wave is delayed as it propagates a across
the device, before being converted back to an electrical signal by further electrodes.
The delayed outputs are recombined to produce a direct analong implementation of a finite impulse reponse filter.
This hybrid filtering technique is also found in an analog sampled filter. SAW filters are limited to frequencies up to 3GHz.
SAW Filters are electromechanical devices commonly used in radio frequency applications. Electrical signals are converted
a mechanical wave in a device constructed of a piezoelectric crytal or cermaic; this wave is delayed as it propagates a across
the device, before being converted back to an electrical signal by further electrodes.
The delayed outputs are recombined to produce a direct analong implementation of a finite impulse reponse filter.
This hybrid filtering technique is also found in an analog sampled filter. SAW filters are limited to frequencies up to 3GHz.
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