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L4534A Selftest - Overvoltage Protection test failed

Question asked by DBD on Dec 3, 2018
Latest reply on Dec 4, 2018 by tomc

Hi at all,

 

 

does anyone have detailed information about the Selftest of the L4534A Digitizer? How does the self test works?

The overvoltage protection test is sometmes failed, if the unit is in warm conditions (powerd for several hours),

in cold case, the test is okay.

Where is the internal calibration source laoceted? Is there one for each channel board or only one on the main

PCB.

 

Thanks and regards

Robert

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