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Posted on 18-05-2009 by microbuzzer

Piezoelectric buzzer as the audio signal generator has a wide range of uses, low power consumption as they are, sound clarity and penetration. External buzzer drive circuit or drive circuit requirements of oscillation in the resonant frequency of piezoelectric components. Piezoelectric element at its resonant frequency to provide the maximum output sound pressure. However, a [...]

Tags: Buzzer, drive, Piezoelectric, Resonance frequency
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Posted on 18-05-2009 by microbuzzer

This is used in the lift button on a circuit through the hardware circuit to achieve the buzzer background about the driver as follows:
1. Due to the limited space available in the circuit can only choose SMD passive buzzer  (original height-saving considerations, the high active), which implies the need for oscillation circuit, he can work.
2. [...]

Tags: Buzzer, circuit, drive, Passive
Posted in TECHNOLOGY | Comments (0)