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In this paper we discuss a CMOS based wideband VGA configuration designed in 0.18 mum UMC process providing a gain of 21 dB and bandwidth of 360 MHz with control voltage range of 1.0 V to 1.6 V. The results of the design were verified through layout. Further, the design was modified to incorporate it in an AGC for Software radio applications. The design process resulted in two ultra wideband VGA designs...
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