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DPRG: Multiplexing sonars

Subject: DPRG: Multiplexing sonars
From: Ed Koffeman koffeman at airmail.net
Date: Fri Sep 17 11:56:31 CDT 1999

>> multiplexing the tranducers from the single control board. Ideas on

Reed relays are fairly small.  You still need some drivers, but only
single-ended, and you need a diode across the coil.  You can probably find
one in a good semi company catalog.  Even that Texas something company might
have some.

It would still be cheaper than multiple sonar boards, and they probably
don't operate very reliably at the same time anyway.

Ed Koffeman


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