Yonghoon Song

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—This paper presents a fast received signal strength indicator (RSSI) circuit for wireless communication application. The proposed circuit is developed using power detectors and an analog-to-digital converter to achieve a fast settling time. The power detector is consisted of a novel logarithmic variable gain amplifier (VGA), a peak detector, and a(More)
SUMMARY This paper presents a time amplifier design that improves time resolution using an inverter chain delay in SR latches. Compared with the conventional design, the proposed time amplifier has better characteristics such as higher gain, wide range, and small die size. It is implemented using 0.13 μm standard CMOS technology and the experimental results(More)
– This paper proposes class-E power amplifier including negative capacitance to optimize shunt drain capacitance. The negative capacitance improves efficiency, compensates for surplus shunt drain capacitance resulting from parasitic capacitance, and is implemented without an external circuit. A cascode single-ended class-E RF power amplifier including(More)
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