MB7389-100

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Ultrasonic receivers, transmitters are devices designed to send and receive acoustic signals at ultrasonic frequencies. These frequencies are higher than the audible range and are usually between 20 kHz and 500 kHz. The MB7389-100 is a type of receiver-transmitter that operates within this frequency range. This article will provide an overview of the MB7389-100, its application field and working principle.

The MB7389-100 is a multi-channel ultrasonic receiver-transmitter module designed for use in automotive navigation or audio systems. It is designed to operate between 10 kHz - 200 kHz, making it suitable for applications that require a wide frequency range. The comprehensive design of the module allows for different control parameters such as gain, frequency and phase to be adjusted. The module also includes built-in signal processing logic that simplifies integration and reduces cost. Additionally, the module is equipped with an integrated amplifier that eliminates the need for external amplification.

The MB7389-100 can be used for a variety of applications such as acoustic obstacle avoidance, object detection, and range measuremnet. It can be used in navigation systems to detect obstacles that may otherwise be too small to be seen via traditional imaging means. The MB7389-100 can also be used for rangefinding applications, measuring the distance between two objects with high accuracy and resolution. Additionally, it can be used to detect objects and report their location in complex environments. This makes the MB7389-100 suitable for a variety of automotive navigation applications.

The MB7389-100 uses an acousto-optic technique to generate and receive signals. This technique involves the use of an acousto-optic modulator (AOM) to generate an acoustic signal of the desired ultrasound frequency. The acoustic signal propagates through the medium and is reflected off the object or obstacles in its path. The reflected signal is then received by an optically-coupled microphone and passed through a low-noise amplifier for further processing. The signal is then decoded and transmitted to the processing unit.

In summary, the MB7389-100 is a multi-channel ultrasonic receiver-transmitter module designed for use in automotive navigation and audio applications. It is equipped with integrated signal processing logic, amplifiers and acousto-optic modulators, allowing it to generate and receive signals within the 10 kHz - 200 kHz frequency range. Additionally, the MB7389-100 can be used for acoustic obstacle avoidance, object detection and range measurement, making it suitable for a variety of automotive navigation applications.

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