Mitsuru Harada

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This paper describes circuit techniques for a 1-V operation Bluetooth PF transceiver in 0.2-/spl mu/m CMOS/SOI. Folded LC-tuned and folded transistor-current-source circuits achieve 1-V operation of the RF transceiver. Tuning circuits and a bias generation circuit for robust transceiver operation are explained.
We propose a "wide area ubiquitous network" as a highly economical and convenient wireless system for providing a wide variety of services. Its basic feature is "wide coverage using ultra low power consumption terminals," and its specific target is a "5-km cell radius using 10-mW transmission power terminals run on ten--year life batteries." In this paper(More)