Abstract
This papers deals with implementation of software algorithm of an AGC technique having wide dynamic control range in burst communication. The proposed AGC mechanism consists of a microcontroller with built in ADC, pre & post attenuators, VGA and a RMS detector. Typically, RMS detectors are available with limited dynamic control range of 50–55 dB i.e., either from −10 to −60dBm or −30 to −80dBm. In this work, the dynamic range of such RMS detector has been widened by making an efficient use of pre attenuator. Dynamic range of 80dBis achieved using the proposed technique.
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