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Published 2010 | Published
Book Section - Chapter Open

A rail-to-rail input receiver employing successive regeneration and adaptive cancellation of intermodulation products

Abstract

A direct conversion receiver is demonstrated which operates in the presence of a rail-to-rail (+12.4dBm) out-of-band blocker and a -16.3dBm blocker, where the ICP1 is +12.5dBm and the uncorrected extrapolated IIP3 is +33.5dBm. IM distortion is adaptively cancelled via feedforward loops which are digitally expanded to reproduce higher order nonlinear reference terms. Cancellation improves input-referred total IM distortion by over 24dB, resulting in an extrapolated IIP3 of +45.3dBm.

Additional Information

© 2010 IEEE. Issue Date: 23-25 May 2010. Date of Current Version: 03 June 2010. The authors thank UMC for chip fabrication and H. Mani for assembly assistance. This work was supported by the Lee Center for Advanced Networking.

Attached Files

Published - Keehr2010p132662008_Ieee_Radio_Frequency_Integrated_Circuits_Symposium_Vols_1_And_2.pdf

Files

Keehr2010p132662008_Ieee_Radio_Frequency_Integrated_Circuits_Symposium_Vols_1_And_2.pdf

Additional details

Created:
August 21, 2023
Modified:
January 13, 2024