MB7389-700

Series:	HRXL-MaxSonar-WR
Packaging:	Bulk
Part Status:	Active
Frequency:	42kHz
Voltage - Rated:	2.8 V ~ 5.5 V
Beam Angle:	23°
Operating Temperature:	-40°C ~ 65°C (TA)

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MB7389-700 Ultrasonic Receivers, Transmitters

The MB7389-700 is an ultrasonic receiver, transmitter, and transceiver developed by Murata Manufacturing Company. This versatile component is primarily used for acoustic applications, such as the transmission of sound waves over long distances, sound amplification, and production of sound waves. It can also be used in other applications, such as for distance measurement and detecting motions.The MB7389-700 is composed of several components, which include a PFM driver IC, a PWM driver IC, an amplifier transistor, an output transistor, and an oscillator. The PFM driver IC is responsible for driving the PWM driver, and the resulting PFM waveform drives the amplifier transistor. The amplifier transistor in turn amplifies the voltage and sends it to the output transistor that has been configured as an analog switch. The output transistor then pulse-width modulates the signal and sends it to the oscillator as an input signal.The output of the oscillator is then used to generate the ultrasonic waves. The frequency of the ultrasonic waves can be controlled by adjusting the oscillator frequency. The output waveform is also adjustable, allowing the user to choose between a sine wave, a square wave, or a pulse waveform for different applications.The MB7389-700 also has a built-in temperature compensating circuit. This circuit helps to ensure that the output signal remains within the operating temperature range of 0 to 70 degrees Celsius. Additionally, the device can be configured to operate safely at electric potentials as high as 60 volts.The MB7389-700 is an ideal device for applications that require long-distance sound transmission or other ultrasonic applications. Its configuration makes it simple to use and customize, and its broad range of operating temperatures and voltage ensures it is well-suited for a variety of applications.

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