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Digital Signal Generator

Digital Signal Generator

This question is answered
Kamal Joshi
Posted by Kamal Joshi
on Mar 01 2012 14:09 PM
Prodigy80 points

Hello All,

I have a sensor (File Attached) that gives me a digital signal with high (12 V) and low (0 V).  However, my Digital Input module (File Attached) can only go up to 5 V.  Thus, I need to somehow convert the signal coming from the sensor into 5 V.

Following is what I have right now

I am using ULN2004A to convert a high signal from the sensor (12 V) to a low signal of 0 V and a low signal (0 V) from the sensor to 5 V using a pull-up resistor. The schematic is attached below.

What I am interested in is if there is a better and easier way to achieve what I am doing here.

Please Advise.

Thanks,

Kamal Joshi

3771.GTN1A111.pdf

8741.NI 9401 - Operating Instructions and Specifications.pdf

 0207.uln2003a.pdf

Level Shifter levels 5V Logic Level Logic Level Translator logic level shifter Sensor 12V High Level UNL2004A Low Level
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  • Chris Cockrill
    Posted by Chris Cockrill
    on Mar 01 2012 14:47 PM
    Verified Answer
    Verified by Kamal Joshi
    Mastermind33210 points

    This part would do it. Set Vdd to 5V and the input could be 12V.

    CD4050B

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  • Kamal Joshi
    Posted by Kamal Joshi
    on Mar 02 2012 14:02 PM
    Prodigy80 points

    Thanks a lot for your reply Chris.

    Is there a TINA - TI model that I can experiment this part with ?

    Thanks Again,

    Kamal Joshi

    TINA TINA-TI
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  • Chris Cockrill
    Posted by Chris Cockrill
    on Mar 02 2012 14:25 PM
    Mastermind33210 points

    Unfortunately we do not have models for any of the parts we purchases from Harris Semi. anything that begins with a CD. We did not get the data needed to creat models in the purchase.

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