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|Title:||A CMOS dB-linear VGA with pre-distortion compensation for wireless communication applications|
|Source:||Zheng, Y.,Yan, J.,Xu, Y.P. (2004). A CMOS dB-linear VGA with pre-distortion compensation for wireless communication applications. Proceedings - IEEE International Symposium on Circuits and Systems 1 : I813-I816. ScholarBank@NUS Repository.|
|Abstract:||This paper describes a CMOS dB-linear variable gain amplifier (VGA) that can provide a variable gain of 60dB while maintaining its 3 dB bandwidth greater than 10MHz. A novel exponential circuit is proposed to obtain the dB-linear control characteristics. The non-ideal effects on dB linearity are analyzed and the corresponding compensation methods are suggested. Simulation results based on 0.35-μm CMOS technology are presented to demonstrate the performance of the proposed dB-linear VGA.|
|Source Title:||Proceedings - IEEE International Symposium on Circuits and Systems|
|Appears in Collections:||Staff Publications|
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