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The IEEE 802.11b and Bluetooth standards are two of the major driving forces of the short-range wireless communications market. Their co-existence in both home and office environments, grows constantly. As a result, a highly integrated and power efficient radio for both standards becomes an essential component for electronic products. A dual-mode(More)
In this paper, an approach to map the Bluetooth and 802.11b standards specifications into an architecture and specifications for the building blocks of a dual-mode direct conversion receiver is proposed. The design procedure focuses on optimizing the performance in each operating mode while attaining an efficient dual-standard solution. The impact of the(More)
A fully integrated direct conversion receiver, supporting both Bluetooth and 802.11b standards, is implemented using IBM 0.25 /spl mu/m BiCMOS technology. The RF front-end is shared between both standards while the baseband blocks are programmable for each receiving mode. All the components of the receiver from the LNA to the ADC are integrated using 19(More)
Radio Frequency Circuits for Wireless Receiver Front-ends. (August 2004) Chunyu Xin, B.S., Nankai University, China; M.S., Nankai University, China Chair of Advisory Committee: Dr. Edgar Sánchez-Sinencio The beginning of the 21st century sees great development and demands on wireless communication technologies. Wireless technologies, either based on a cable(More)
Design considerations for a distributed amplifier as a low-noise front-end block are discussed. Noise analysis for the distributed amplifier with real transmission lines is shown in detail. The analysis for gain and noise figure is verified with simulation results from a 5-stage distributed amplifier implemented in a 0.18 /spl mu/m CMOS process.
Electron-hole pair separation efficiency and adsorption performance of photocatalysts to CO2 are the two key factors affecting the performance of photocatalytic CO2 reduction with H2O. Distinct from conventional promoter addition, this study proposed a novel approach to address these two issues by tuning the own surface features of semiconductor(More)
This paper presents a monolithic low-IF Bluetooth receiver. The highlights of the receiver include a low-power active complex filter with a non-conventional tuning scheme and a high performance mixed-mode GFSK demodulator. The chip was fabricated on a 6.25 mm/sup 2/ die using TSMC 0.35 /spl mu/m standard CMOS process. -82 dBm sensitivity at 1e-3 BER, -10(More)
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