Antennas

Antennas transmit or receive radio waves

Assemblies, modules[edit]

Multiple electronic components assembled in a device that is in itself used as a component

Prototyping aids[edit]

Electromechanical[edit]

A quartz crystal (left) and a crystal oscillator

Piezoelectric devices, crystals, resonators[edit]

Passive components that use piezoelectric effect:

  • Components that use the effect to generate or filter high frequencies
    • Crystal – a ceramic crystal used to generate precise frequencies (See the Modules class below for complete oscillators)
    • Ceramic resonator – Is a ceramic crystal used to generate semi-precise frequencies
    • Ceramic filter – Is a ceramic crystal used to filter a band of frequencies such as in radio receivers
    • surface acoustic wave (SAW) filters
  • Components that use the effect as mechanical transducers.

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