MB7386-131

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• MB7386-131 Ultrasonic Receivers, Transmitters

  Application Field

  • MB7386-131 is a frequency shift receiver module mainly used in ultrasonic range measurement systems.
  • It can measure the distance by sending a signal pulse and receiving the reflection pulse.
  • MB7386-131 can be used in various fields such as security systems, navigation systems, and underwater exploration.

  Working Principle

  • MB7386-131 ultrasonic receivers, transmitters employ FSK (frequency shift keying) technique for transmiting and receiving ultrasonic signal.
  • When the transmitter sends out the ultrasonic waves, the ultrasonic waves are reflected to the receiver by obstacles or targets.
  • Then the receiver amplifies and filters the signal before it is fed to the comparator.
  • The comparator is used to detect whether the frequency shift in the RF signal is up or down.
  • The output signal from the comparator goes to the control signal interface to produce the control signal.
  • This control signal is then used to trigger alarms or activate other systems.

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