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Mobility and portability are driving miniaturization of wireless communications interfaces, leading the increased interest in single-chip radios. Achieving this goal requires integration of filtering, frequency conversion, modulation and demodulation functions and typically involves trading off noise, power, linearity, frequency, gain and supply voltage. Higher quality factor and lower insertion loss are critical to easing these trade-offs. CMOS micromachining offers the ability to integrate a variety of components with high quality factor and low insertion loss with CMOS RF transistors, and is therefore increasingly becoming important for radio designers.
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Full paper not available from outside CMU
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