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regarding ad8313 log detector


    I am using AD8313 in a log (RSSI) mode for detecting RF signal of mobile phones in a mobile prohibited zone, initially when there is no calling from the phone it gives output voltage of 0.6v or lesser than that, now when call is made it hardly changes the output from 0.6 to 0.65 or less, that to only as 1 pick pulse of very short duration, same thing happens when call gets ended. As per requirement if  mobile phone is present in a prohibited area, the output of ad8313 should be stable so that controller can convert it to precise digital value and take proper action.

Kindly suggest some tips to achieve my requirement.



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