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Subject: Re: ultrasonic transducer

Date: 02/20/01 at 7:56 AM
Posted by: Dean Huster
E-mail: dhuster@pb.k12.mo.us
Message Posted:

In Reply to: ultrasonic transducer posted by Josef C. Tran on 02/17/01 at 1:41 AM:

Most ultrasonic transducers (transmitter/receiver combinations) that you buy from places such as Digi-Key are resonant at 40KHz and that's the frequency at which you must drive them. Make sure that's where your circuits are operating.


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