SAW Resonators
A SAW (Surface Acoustic Wave) resonator is a type of resonator, similar to a crystal that uses surface acoustic waves to generate a resonance in place of the waves traveling through the thickness of a crystal resonator. SAW resonators are commonly used in a variety of electronic applications such as car key fob transmitters where a cheap and compact circuit is needed above the frequency range achievable with a crystal.
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What is SAW resonator?
SAW resonators are made from a piezoelectric material, such as quartz
When an electrical signal is applied to the electrodes, it creates a surface acoustic wave that travels along the surface of the piezoelectric material within the resonator. The wave is then reflected back and forth between the electrodes, generating a standing wave pattern at resonance. This can be used to control the frequency of an oscillator circuit.
What are SAW resonators used for?
Due to their high stability, SAW resonators are used in various electronic applications, including:
- Oscillators: SAW resonators can be used to generate a specific frequency, which is essential in many communication systems,
- Overall, SAW resonators provide a reliable, and cost-effective solution for various VHF and UHF applications, making them an ideal solution for a wide selection of electronic products.
To find out more about SAW resonators or to enquire about a specific type of resonator, please contact one of our expert advisors today.