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A 3.1-4.8GHz two-stage LNA for Group-1 UWB applications featuring current reuse, resistive feedback, complete and high ESD protection design is reported. ESD-RFIC co-design technique was used to ensure whole-chip optimization. The design is implemented in a foundry 0.18μm RFCMOS. Measurement shows a gain of 13.2dB/14.0dB, excellent input reflection of -13.4dB/-17.5dB, noise figure (NF) of 5.11dB/4...
A 3.1-4.8GHz LNA for lower-band UWB transceiver front-end ICs designed in a commercial 0.18μm CMOS is presented. The LNA features current reuse, resistive feedback, complete and robust full-chip ESD protection. LNA circuits with and without ESD protection are compared to minimize ESD-induced LNA performance degradation. Experiment shows a gain of 13.2dB, excellent input reflection of -13.4dB, NF of...
We report an ultra-low-power low-cost Gaussian pulse generator for 3.1-10.6 GHz impulse-radio carrier-free ultra wideband (UWB) transceiver designed and fabricated in foundry logic 90 nm CMOS. A two-stage circuit topology is used to generate square waveform and Gaussian pulse waveform, respectively. Three digital controls are used to adjust delay time between the two generated square waves to realize...
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