%0 Journal Article %T A differential automatic gain control circuit with two-stage 10 to 50 dB tuning range VGAs %A Wang, Wenbo %A Mao, Luhong %A Xiao, Xindong %A Zhang, Shilin %A Xie, Sheng %J Journal of Semiconductors %V 34 %N 2 %P 6 %@ 1674-4926 %D 2013-02-01 %~ DeepDyve