IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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Inductance-Tuned LC-VCO for Reconfigurable RF Circuit Design
Yoshiaki YoshiharaHirotaka SugawaraHiroyuki ItoKenichi OkadaKazuya Masu
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2004 Volume 1 Issue 7 Pages 156-159

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Abstract

This paper presents a wide tuning range LC-VCO using an on-chip variable inductor to extend tuning range. The VCO was fabricated using 0.35µm CMOS process. The tuning range was found to be 37.8% without degradation of phase noise by inductance tuning. Wide tunable VCO with an on-chip variable inductor is one of the key circuits of reconfigurable RF circuit.

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© 2004 by The Institute of Electronics, Information and Communication Engineers
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