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Electromagnetic buzzer: What are the working principles of electromagnetic buzzer?

2021-02-07

The alternating current signal of the electromagnetic buzzer generates an alternating magnetic flux on the rod of the bracket through the wire wound on the bracket. The alternating magnetic flux is superimposed on the constant magnetic flux of the magnetic ring, so that the molybdenum sheet vibrates at a given frequency of the alternating current signal and cooperates with the resonant cavity to sound.

Electromagnetic buzzer: the difference between electromagnetic buzzer and piezoelectric buzzer and driving method

2021-01-14

Electromagnetic buzzer passive buzzer is a common pronunciation electronic equipment when designing electronic equipment. According to the principle, it can be divided into induction manual buzzer and piezoresistive manual buzzer. The common passive buzzer in the microcontroller development board and the experimental board is an inductive passive buzzer.

patch buzzer: buzzer application frequently asked questions about what?

2020-12-30

Patch buzzer buzzer is a kind of electronic device buzzer, which generally radiates the alarm sound of "beep, beep, beep". It is widely used in cars, communications, white electricity, diagnosis and treatment, intelligent security, intelligent, etc. As a pronunciation device in electronic equipment. As a special optocoupler circuit of piezoelectric buzzer with excellent performance and BTL output, the patch buzzer has accepted the newly upgraded core concept of the scheme and professional skills of processing technology.

patch buzzer: buzzer what are the differences?

2020-12-03

Patch buzzer buzzer can be divided into inductive buzzer and piezoresistive buzzer; Magnetic induction buzzer and piezoelectric buzzer are also subdivided into: digital power amplifier and passive buzzer; Difference between digital power amplifier and passive buzzer: detect whether the electricity is different (digital power amplifier alternating current, microwave sensor communication) is with driver route.

Patch buzzer: the cause of the buzzer noise

2020-12-01

The patch buzzer is mainly caused by various conditions in the buzzer. One is that there are dirty things in the buzzer or the pulse damper is disordered. The key to the dirty things is that iron powder and iron pin are inside the buzzer when the buzzer is assembled or produced and processed in the production line, thus causing noise. The disorder of the pulse damper means that the pulse damper of the buzzer is installed instead of sticking to the support frame, therefore, it is very likely that the strong external force will cause the pulse damper to run out of the point and cause noise.

Buzzer manufacturers: piezoelectric buzzer maintenance methods?

2020-11-03

Buzzer manufacturers piezoelectric buzzer, the key is composed of piezoelectric sheet, PCB components, chassis.

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