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Xbee UART data line voltage drops

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Hi All,

I am using the Xbee 900 HP in API mode to transmit data wirelessly. Everything works however I am concerned as when i look at the RX and TX lines to the Xbee using my oscilloscope I notice there are voltage drops of about 1.5V after my transmit signal. this drop is not large enough to effect the functionality of my design however they are concerning with no explanation.

For images of the signal drops please refer to this link:
asked Nov 12, 2015 in DigiMesh Proprietary Mesh Networking by AnthonyPhan New to the Community (2 points)

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1 Answer

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I would suggest looking at your voltage regulator and making sure you have the proper level shifter's in place.
answered Nov 16, 2015 by mvut Veteran of the Digi Community (15,515 points)