[Paper]A Low-Voltage Low-Power Wide-Range CMOS Variable Gain Amplifier

gmc832002 · 发表于 2006-9-14 21:22:39

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Abstract—In this paper, a compact low-power (LP) low-voltage (LV) metal–oxide–semiconductor-only (MOS-only) variable gain amplifier (VGA) is introduced. This amplifier based on complementary MOS (CMOS) transistors operating in strong inversion is composed of a pseudo-exponential current-to-voltage converter, analog multiplier, and output stage. The gain of the amplifier is controlled exponentially by a novel wide-range pseudoexponential current-to-voltage converter implemented with two back-to-back connected current mirrors exhibiting superb exponential characteristic. Also, a new LV/LP composite transistor is introduced to increase the input dynamic range of the multiplier. The amplifier is fabricated using a 2-m MOSIS n-well process, and its simulation and measurement results are shown in detail.

fanjx · 发表于 2006-9-15 01:14:57

再顶一下

GodofSun · 发表于 2006-11-10 19:29:31

支持一个！！

tianjun33 · 发表于 2007-11-18 11:38:44

thanks

linxiulong · 发表于 2007-11-18 17:09:16

柯明道ESD简洁版

donnie · 发表于 2008-3-5 12:48:46

看看再说.

jz00zj · 发表于 2008-3-5 13:25:40

ding thanks

donnie · 发表于 2008-3-8 14:57:21

看看吧

luoyih · 发表于 2008-7-9 14:48:45

thanks

luoyih · 发表于 2008-7-9 14:51:00

[Paper]A Low-Voltage Low-Power Wide-Range CMOS Variable Gain Amplifier

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