cavity resonator

cavity resonator

noun Electronics.
See under resonator ( def 4a ).
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resonator

[rez-uh-ney-ter]
noun
1.
anything that resonates.
2.
an appliance for increasing sound by resonance.
3.
an instrument for detecting the presence of a particular frequency by means of resonance.
4.
Electronics.
a.
a hollow enclosure (cavity resonator) made of conducting material of such dimensions that electromagnetic radiation of a certain frequency will resonate.
b.
any circuit having this frequency characteristic.

Origin:
1865–70; resonate + -or2

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
cavity resonator
 
n
electronics resonant cavity, Also called: rhumbatron a conducting surface enclosing a space in which an oscillating electromagnetic field can be maintained, the dimensions of the cavity determining the resonant frequency of the oscillations. It is used in microwave devices for frequencies exceeding 300 megahertz

resonator (ˈrɛzəˌneɪtə)
 
n
any body or system that displays resonance, esp a tuned electrical circuit or a conducting cavity in which microwaves are generated by a resonant current

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