MB7138-511

Series:	XL-TrashSonar-WR
Packaging:	Bulk
Part Status:	Active
Frequency:	42kHz
Voltage - Rated:	3.2 V ~ 5.5 V
Beam Angle:	23°
Operating Temperature:	-40°C ~ 65°C (TA)

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Ultrasonic receivers and transmitters are essential components of acoustic communication systems. The MB7138-511 is a combined receiver and transmitter component for ultrasonic acoustic communication. It works effectively for communication in medical and industrial applications.The MB7138-511 consists of a crystal oscillator, amplifier, DAC (Digital to Analog Converter), encoder, mixer, baseband filter, power amplifier, gain control circuitry, LED indicator and a variety of interface connectors. The working principle of the MB7138-511 is based on the digital transmission of analog-modulated signals via ultrasound. The analog signal is modulated in the range of some 20 KHz to 150 KHz and is generated by the DAC component with the analog voltage modulation range of 0.5 to 32V. The encoder then samples the digital signal for modulation and converts to PPM (Pulse Position Modulation) format for transmission. The PPM signal is then combined with a carrier signal that is produced by the mixer and sent through the power amplifier.The receiver component of the MB7138-511 is responsible for detecting the modulated signal from the transmitter and converting it back to its analog form. It consists of a mixer, baseband filter, amplifier, ADC (Analog to Digital Converter) and a variety of connectors and controls. The receiver amplifies the signal in the range of some 20 KHz to 150 KHz and passes it through the baseband filter to extract the original analog signal. The ADC then samples the analog signal and converts it to digital form so that it can be decoded.The MB7138-511 is suitable for a wide range of applications, including medical ultrasound imaging systems, industrial ultrasonic detectors, and robotic control systems. It is highly reliable and provides good transmission and reception of signals even in difficult acoustic environments. The MB7138-511 also enables data transmission up to 16.384 Mbps and offers various control features such as auto-gain control and power level control. In summary, the MB7138-511 is a reliable combined receiver and transmitter for ultrasonic acoustic communication that is suitable for a wide range of medical and industrial applications. It is a high-performance, low-power solution that offers accurate transmission and reception of signals, even in difficult acoustic environments. The device also offers a wide range of control features for data transmission and acquisition.

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