Wideband high dynamic range CMOS variable gain amplifier for low voltage and low power wireless applications |
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| Authors: | Kwon J.K. Kim K.D. Song W.C. Cho G.H. |
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| Affiliation: | Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea; |
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| Abstract: | A high frequency CMOS variable gain amplifier (VGA) employing a new gain stage cell is proposed. A design technique based on the proposed VGA enables enhancement of its operating frequency up to about 350 MHz with a gain control range of 84 dB. The power consumption of the VGA implemented using a 0.18 /spl mu/m CMOS standard process is about 3 mA at 1.8 V supply voltage. |
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