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Help me to transmit echo sound through ultrasonic transducer

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bing2005

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Ultrasonic problem!

When i want to transmit echo sound through ultrasonic transducer, did the ultrasonic device acts like a switch to turn ON and OFF to generate the pulse and convert to sound wave?
Thanks a lot.
 

IanP

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Re: Ultrasonic problem!

Ultrasonic transducer works like a "microphone" for reception and as a "speaker" for transmission and in the latter case you have to drive it(transducer) with an ulltrasound wave in order to transmit it(wave) ..
Some devices may have ultrasonic transducer and generator/driver built into one enclosure ..
 

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