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http://dx.doi.org/10.5573/ieie.2016.53.10.027

LNA with Chopper Stabilization Technique Using Sample and Hold Circuit  

Park, Youngmin (College of Electrical and Computer Engineering, Chungbuk National University)
Nam, Minho (College of Electrical and Computer Engineering, Chungbuk National University)
Cho, Kyoungrok (College of Electrical and Computer Engineering, Chungbuk National University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.53, no.10, 2016 , pp. 27-33 More about this Journal
Abstract
This paper proposes a Low Noise Amplifier (LNA) with chopper stabilization technique with a sample-hold circuit. Chopper stabilization technique is effective in terms of reducing low frequency offset and flicker noise. Conventional chopper amplifier has a disadvantage in area because of using Low Pass Filter (LPF) for remove chopping spike. The proposed chopper amplifier employed sample and hold technique to decrease chopping spike instead of LPF that improves 36% in voltage damping and 11% in area.
Keywords
chopper amplifier; chopper stabilization; 1/f noise; low pass filter; sample and hold;
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Times Cited By KSCI : 2  (Citation Analysis)
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