Ceramic filter

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A ceramic filter is a device made of ceramics, used for some form of filtering or separation process. It may refer to either


'Filtering' is the process of separating a signal by frequency, see electronic filter

  • Ceramic resonator, a piezoelectric ceramic element that has a narrow response to a particular frequency
  • Crystal filter, a similar device, using quartz crystals
  • SAW filter, a ceramic filter using a surface acoustic wave, rather than bulk material effects