Jenn-Hwan Tarng

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—A two-stage 3.1-to 10.6-GHz ultrawideband CMOS low-noise amplifier (LNA) is presented. In our design, a parallel resistance–capacitance shunt feedback with a source in-ductance is proposed to obtain broadband input matching and to reduce the noise level effectively; furthermore, a parallel inductance–capacitance network at drain is drawn to further(More)
A novel design for a high-speed divide-by-3/4 counter is presented. The proposed design reduces not only the critical path delay but also the feedback path delay, hence it can increase the operating speed. With this divide-by-3/4 counter, a divide-by-127/128 dual-modulus prescaler (DMP), implemented in 0.18 µm CMOS technology, shows a maximum operating(More)
Four cDNA clones homologous with a murine prostaglandin E2 receptor have been isolated from a rabbit kidney cortex cDNA library. These cDNAs encode related proteins that differ only in their COOH-terminal sequences. Southern blot analysis of rabbit genomic DNA indicates that these receptor cDNAs represent alternatively spliced variants derived from a single(More)
—A multipath-clustering phenomenon, which is caused by the fact that scatterers tend to group together in realistic environments, has a significant impact on the channel capacity. For a band-limited system, due to the limitation of the signal time resolution, observable multipath-clustering is affected not only by propagation environments but also by the(More)
Large-scale video surveillance systems typically deploy many video cameras over a wide area and display video streams on separate screens. Operators of this kind of systems have difficulties perceiving the whole pictures of intermixed views and are prone to losing track of targets. This paper presents a surveillance system which integrates videos from(More)
This paper presents the methodology of implementations and performance measurements of our mobile ad-hoc network (MANET) platforms. The work is prompted by the lack of published results concerning the issues associated with the implementation of MANET facilities on actual wireless networks, as opposed to results of simulation experiments. Our MANET is(More)