Leonard Shao

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A concurrent multi-band low-noise amplifier (LNA) for both WLAN and WiMAX applications covering 2.4–2.7 GHz, 3.3– 3.8GHz and 5.1–5.9GHz is mainly investigated. The proposed LNA consists of two cascaded common-source stages and employs steppedimpedance transformers and series and shunt feedback techniques to obtain good return loss, low noise and high(More)
This work targets low-power portable electronic applications with PV power harvesting. A bidirectional dc-dc converter is required to interface the battery with the load and PV module. A new current-mode scheme is applied to the single-inductor three-port converter, where the peak and valley inductor current are controlled by two separate digital regulation(More)
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