Multilevel monolithic inductors in silicon technology

Abstract
Multilevel monolithic inductors implemented in a standard BiCMOS technology are presented. Use of top metal layers shunted with vias provides Q values approaching 10 at 2.4 GHz and above 6 at 900 MHz for a 2 nH inductor. There is no modification to the conventional wiring metallurgy and no need for extra processing steps.

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