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This paper presents a wireless sensor system for monitoring human respiratory activities. The sensor is composed of a fully-integrated CMOS impulse radar chip and a DSP platform that is used for human respiratory feature extraction. The proposed and implemented radar chip was fabricated using in the TSMC 65nm CMOS technology. It can achieve the 1.5mm scanning resolution over the 15m scanning range...
Variability introduced by intrinsic parameter fluctuations has a great impact on the mismatch performance of nominally identical transistors. We have studied the impact of extreme device variability on the mismatch performance of a differential amplifier by developing an analytical model validated against a detailed 35 nm gate-length MOSFET model set. A novel source compensation concept for minimizing...
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