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ADL5336 AGC detector bandwidth

Question asked by Abarber on Feb 6, 2013
Latest reply on Feb 8, 2013 by jdobler

Hi,

I'm planning on using the ADL5336 for an AGC funtion but the AGC settling time needs to be on the order of a few microseconds.

The datasheet shows that the VGA's gain response time is ~ 100nsec but there is little data on the detector's response time.

The datasheet appnote shows a .1uF averaging cap on the DTO1 & DTO2 detector outputs. The question is: what is the detector's response time as a function of the cap value  or more specifically, what is the fastest response time achievable & the associated cap value?.

 

Thanks , Andy

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