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A 1.2-GHz bandwidth variable gain amplifier with continuous dB-linear control in 65nm CMOS
2014
2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS)
In this paper, a wideband variable gain amplifier (VGA) is designed in 65nm CMOS technology. The proposed VGA is composed of two cascading variable gain cells. Each gain cell employs a simple single-stage pseudoexponential topology to realize continuous decibel in linear gain control and low power consumption. Two cascading cells realize a VGA with more than 50dB decibel in linear gain tuning range and 1.2-GHz -3dB bandwidth. The proposed wideband VGA consumes about 1.2mA current from a single
doi:10.1109/ursigass.2014.6929458
fatcat:4hfqpyuiqvac5ad42nio3ql7ja