SMT-0540-T-2-R Audio Products

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SMT-0540-T-2-R is an electronic buzzer which is widely used in electronics, electrical appliances, and alarm systems. Its application field in industrial and civilian areas is rather broad. It can be used as an indicator, alarm signal, timer, timer switch, and various sounder in electrical control equipment, communication devices, electronic watch, and so on.

The main working principle of SMT-0540-T-2-R is that the acousto-optical device will be turned on because of the AC signal, and then cause a series of interference with a certain frequency, which will convert the signal in an acoustic signal. After the signal is spread by sound and the energy conversion, it will reflect an alarm sound.

Generally speaking, the SMT-0540-T-2-R has three application characteristics: sound source, oscillation source and loudness control. In particular, its electrical components are relatively simple, consisting only basic component-related parts, and it is easy to assemble and install. Its anti-environmental interference ability is quite good. It can work stably for long distance and won’t be affected by dust, low temperature, vibration, or humidity.

The sound source of SMT-0540-T-2-R is composed of three parts: a power source, a buzzer oscillator and a volume output system. Through the adjustable amplitude of the audio output, the volume can be adjusted, and the frequency and amplitude can also be adjusted through the voltages provided by the power source.

The buzzer oscillator is the most important part of the sound source, which can utilize the piezoelectric ceramics as the transducer to realize sound output, power amplification and other functions. The oscillator is mainly composed of three parts, including buzzer circuit, buzzer vibratory system and power amplification system. The buzzer circuit is mainly used to mix the frequency and volume signals, while the buzzer vibratory system is mainly composed of a magnet, a vibrating rod and an induction coil.

The power amplification system of SMT-0540-T-2-R is mainly composed of two parts: a transistor circuit and a voltage-controlled capacitor. The transistor circuit is mainly used to amplify the current, while the voltage-controlled capacitor is mainly used to control the output voltage and then the output current. The power amplifier system can be adjusted through a variety of ways, such as changing the current, frequency, or output voltage.

In conclusion, SMT-0540-T-2-R is a highly efficient buzzer which can be widely used for industrial and civilian areas. It includes sound source, oscillation source and loudness control. Its power amplifier system and buzzer circuit can be easily adjusted to reach the desired alarm volume and frequency. Its strong anti-environmental interference ability makes it a great choice for alarm systems.

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