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LM335: LM335AZ/NOPB

Andres Ortiz1
Prodigy 10 points
Part Number: LM335
Other Parts Discussed in Thread: LM235

I have an LM235 temperature sensor separated from the measuring device 5 meters.

When an RF is induced to the LM235, it measures wrong temperatures. I have tried to minimize the problem by putting capacitors on the sensor pins but I have not obtained any results.

Is there any way to reduce this problem?

  • 0
    TI__Guru* 91206 points

    Andres - 

    By chance could you share the frequency and level of the RF you are impressing upon your 5 meter cable? Also, if the RF is magnetic or electric field would be useful to know as well) - generally, if you know that there are radiated emissions in the application, you would then need to most likely shield the cable or shield the emitter or move the antenna, if its it directional in any way, or all three.