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A novel circuit structure of a common-gate single-stage low-noise amplifier (LNA) has been proposed in this work. The LNA has been designed for Ku-Band (12 to 18 GHz) applications using the TSMC 0.18-μm CMOS process. New analytical expressions have been derived for the noise factor of a common-gate LNA. A minimum noise figure (NF) of 4.86 dB and a maximum S21 of 10.55 dB has been obtained for the...
A low-power high-resolution oversampled 4-bit delta-sigma modulator is designed in this paper. The 2nd-order multi-bit modulator can achieve 14-bit resolution of 24 kHz signal bandwidth when oversampling rate of 128 is used. Fully differential switched capacitor is used to accomplish the modulator. The quantizer is made by a 17-level flash analog-to-digital converter. Dynamic element matching technique...
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