Abstract:This work illustrates the design of the cell-based variable-gain amplifier (VGA) with less power consumption and improved noise margin. The variable gain amplifier is incorporated into the current wireless front-end modules. The body-bias technique in the n channel MOSFET (n-MOS) devices greatly aided in the power reduction of the cells. The device characteristics were fine-tuned to get better gain and bandwidth and reduced the supply voltage. This technique ultimately reduced the number of cell stages require… Show more
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