D. Harame, X. Wang, B. Jagannathan, J. Perkarik, J. Watts, D. Sheridan, P. Cottrell, D. Greenberg, G. Freeman, K. Newton, M. Graf, E. Mina, A. Joseph, J. Dunn
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Semiconductor technology choices for ultrawide-band (UWB) systems
UWB 3.1-10.6 GHz frequency and bandwidth impose stringent performance demands of technology. The standard specifications, system architecture, frequency planning, and circuit topology have a major influence on the technology choice. Two technology choices are RFCMOS and SiGe BiCMOS. RFCMOS strongly increases speed and density with scaling, but analog parameters and layout are a concern. RFCMOS designs also require additional devices, sophisticated models and design kits over digital CMOS. SiGe HBTS have fewer device design tradeoffs due to bandgap-engineered vertical transport. Initial systems are system in a package. The low cost favors CMOS.
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