ADICON Support Forum Applied Digital, Inc.
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#23543 - 06/01/13 04:39 PM dropping 12Voutput down
Hemant Gupta Offline
newbie


Registered: 09/03/12
Posts: 4
I would like to connect my Audio detection module from Xantech to my Secu-16 to detect when my record player is on.

I am using this Xantech module to detect audio along with their CBCSM1 block that outputs 12V when it detects audio.

Apparently this is too much voltage for the Secu16. What's the best way to drop this down to a useful voltage?

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#23544 - 06/02/13 04:29 PM Re: dropping 12Voutput down [Re: Hemant Gupta]
Guy Lavoie Administrator Offline
Beyond All Hope
*****

Registered: 12/21/02
Posts: 6548
Loc: Montreal, QC, Canada
You could divide the output voltage with two resistors to make it 0 or about +5 volts. Put a 2.2k resistor (or two 1k resistors in series) in series with a 1k. Connect:

- The output of the Xantech sensor to the free end of 2.2k,

- The junction of the 2.2k and the 1k to the SECU16 input you want to use,

- The free end of the 1k resistor to both the input common of the SECU16 and to the negative output of the Xantech sensor.

You should now be able to detect the output of the Xantech sensor as an analog value.
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