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A Si 1.8 GHz RLC filter with tunable center frequency and quality factor

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4 Author(s)
Pipilos, S. ; Div. of Comput. Sci., Nat. Tech. Univ. of Athens, Greece ; Tsividis, Y. ; Fenk, J. ; Papananos, Y.

A second-order active bandpass filter using integrated inductors was implemented in Si bipolar technology. The filter uses special techniques to make the quality factor and the center frequency tunable. For a nominal center frequency of 1.8 GHz and a quality factor of 35, the filter has 1 dB compression dynamic range of 40 dB, and draws 8.7 mA from a 2.8 V supply

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:31 ,  Issue: 10 )