Industry News-FHD-professional manufacturer of acoustic components

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.

Buzzer manufacturer: two applicable methods of piezoelectric buzzer

2020-11-02

Buzzer manufacturers piezoelectric buzzer and unique buzzer is not the same, piezoelectric buzzer whether from the characteristics, into the category or the price above all have the advantages can not be compared.

The driving principle of electromagnetic buzzer?

2020-10-26

The electromagnetic buzzer I .e. the principle of current flow through the solenoid, the field diaphragm solenoid drives the sound. Therefore, it is necessary to determine the current power. The current of the microcontroller output voltage is small, and the TTL level output from the drive system of the monolithic buzzer requires a large circuit. The S51 enhanced MCU is implemented by a buzzer driver board and an amplifier transistor C8550.

SMD buzzer introduces the structure of electromagnetic buzzer knowledge?

2020-10-25

Iron core: mainly divided into two kinds of processing technology: stamping and die casting. The material is an iron-nickel coating. The reason for choosing iron is that the magnetic permeability is better, and nickel plating is added to achieve the purpose of rust prevention. The core buzzer is mainly used as a support for PCB, magnetic permeability and gap control actions, so the height and dimensional accuracy of the core are high, and the overall tolerance is controlled within ± 0.01mm.

SMD buzzer introduces the correct use of electromagnetic buzzer method?

2020-10-22

There are many types of buzzers on the market, but different types of buzzers have different prices and quality. If you want to buy a high-quality electromagnetic buzzer, you need to choose a suitable buzzer, which is the problem of use.

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