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Automatic Gain Control (AGC) in Receivers - QSL.net
www.qsl.net• Automatic Gain Control (AGC) system is a closed-loop control system. ... The AGC loop is analyzed in terms of its closed‐loop gain (forward transfer function) and open‐loop gain. There is temperature compensation at the detector diode stage to compensate for diode ... NF, but by adding a delay diode in series with the AGC’s bias line ...