Alarm Buzzer Loud Continuous Sound For Electronic Toys Black 23mm
Feature: \n 1. Mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell\n2. Multivibrator vibrates and outputs audio signal\n3. Impedance matcher drives piezoelectric buzzer sound\n4. Connected to rated power and the buzzer will sound continuously\n5. Can be controlled conveniently \n\nSpecification: \n\nDescription: \n\nBuzzer is an electronic sounder with integration structure. Using DC \npower, it is widely used on computers, printers, photocopiers, alarm, \nelectronic toys, automotive electronic equipment, telephone, timer and \nother electronic products. \n\nFeatures: \n\n1, Piezoelectric buzzer is mainly made up by \nmultivibrator, piezoelectric buzzer chip, impedance matching unit, \nresonator and shell.\n\n2, Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio signal.\n\n3, Impedance matcher drives piezoelectric buzzer sound.\n\n4, Connected to rated power a:
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