News-FHD-professional manufacturer of acoustic components

patch buzzer describes passive buzzer in the use of the process of sound class fault problem?

2020-10-20

If the passive buzzer does not sound before installation, this is definitely a quality problem of the buzzer itself, just contact the manufacturer directly.

SMD buzzer buzzer drive circuit problem?

2020-10-12

The buzzer is an electronic buzzer with an integrated structure. Its power comes from DC voltage. Widely used in computers, printers, copiers, alarms, electronic toys, automotive electronics, telephones, timers and other electronic products audio equipment. The buzzer drive circuit generally consists of the following parts: a transistor, a buzzer, a freewheeling diode and a power filter capacitor.

SMD buzzer describes several common fault causes of instrument types?

2020-10-09

This may be due to the excessive power of the soldering iron used during the soldering process (20 to 30w soldering iron is recommended) or the time is too long (it is recommended to use a soldering point within 3 seconds), causing the pins of the buzzer and the solder of the coil The spot is melted by heat.

SMD buzzer foot position function distinction knowledge introduction?

2020-10-09

SMD buzzer is the use of rich resources of audio and mechanical system design information technology development and a high-performance ceramic composite materials for the development of SMD buzzer, suitable for electronic control equipment thin and high-density design enterprise products.

How to choose SMD buzzer?

2020-10-09

There are many kinds of SMD buzzers with different specifications. We need to know several main parameters (voltage, current, drive development mode, size, fixed working mode of connection). Of course, more importantly, the sound we want to obtain (sound pressure size, frequency level).

what are the classification of pin buzzer buzzer introduction?

2020-09-30

The electromagnetic type buzzer mainly uses the characteristics of an energized conductor to generate a magnetic field, and uses a fixed permanent magnet and an energized conductor to generate a magnetic force to push an eardrum fixed on a coil. Due to the different sound principles of the two buzzers, the piezoelectric structure is simple and durable, but the tone is single, which is suitable for alarms and other equipment. Electromagnetic due to good sound quality, so more for voice, music and other equipment.

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