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Posted on 08-08-2010 by microbuzzer

Buzzer resonant frequency of the piezoelectric actuator
Piezoelectric buzzer as the audio signal generator has a wide range of applications, because they are low power, voice clear and penetrating. Buzzer drive circuit or from an external drive circuit requirements oscillations in the resonant frequency of the piezoelectric element. Piezoelectric elements in its resonance frequency to provide [...]

Tags: Buzzer, Piezoelectric, resonant frequency
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Posted on 19-07-2010 by microbuzzer

Speaker resonant frequency
Impedance curve of the impedance of the speaker unit reaches its maximum when the first frequency corresponding to the speaker unit is called the resonant frequency or resonant frequency, called fo.
To facilitate understanding, the speaker of the vibration system can be that Cone, voice coil and the dust cover as a certain [...]

Tags: resonant frequency, speaker
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