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 Ultrasonic transmitter / receiver and Toggler		  New Topic  Reply to Topic
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Patritech
New Member

Canada
4 Posts
Posted - Jul 27 2009 :  11:17:54 AM  Show Profile  Visit Patritech's Homepage  Reply with Quote
Hi everyone.
I created a neat ultrasonic transducer circuit that transmits, then receives and toggles a bit after every transmission. The values for some of the passive components can be tweaked with ease for easy compatibility with your own projects. I use two DPU1640AOH12C 40kHz 105dB transducers for transmitting and receiving. If you're interested in having a look at the document I set up, please feel free.
Follow this link:
www.electroniclessons.com/ultrasonictransducer.wps.doc
I hope you find it interesting and useful. I cheated with the receiver circuit by using op-amps. I've used discrete class A amplifiers in the past, and they work much better. However, this configuration is much easier to work with.
Thanks=)
Sincerely,
Patrick


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Patritech

audioguru
Nobel Prize Winner

Canada
4218 Posts
Posted - Jul 27 2009 :  4:31:50 PM  Show Profile  Reply with Quote
I wish the schematics were PNG file type so I can see them.
Now the schematics are buried inside a Word Document and I see only small parts of them.
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mrgone
Nobel Prize Winner

USA
1176 Posts
Posted - Aug 01 2009 :  3:19:04 PM  Show Profile  Reply with Quote
I see everything just fine. Very nice work Patrick!

Thanks :)
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