Piezoelectric buzzer is a device to transmit signals to people and is widely used in household appliances, consumer products, automotive and industrial equipment. What is the sound generation mechanism of piezoelectric buzzer?
Buzzer is a common device in circuit design, widely used in industrial control, room monitoring, access control, computer and other electronic products as a warning sound device. Buzzer failures are usually as following.
The piezo element is usually as below picture. Some kinds of piezo elements are without welding cables. Both the buzzer and piezo element are the same type of component. So both are using triode to amplify the drive.
It is important to know some parameters like voltage, frequency dimensions and mounting method etc. when you choose the buzzer.
Today we will talk about what you should know when choosing the buzzer.
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