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Active and Passive Electronic Components
Volume 21, Issue 1, Pages 43-52

Harmonic and Intermodulation Performance of Envelope Detectors

King Fahd University of Petroleum and Minerals, Box 203, Dhahran 31261, Saudi Arabia

Received 26 December 1997; Accepted 23 January 1998

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Analytical expressions are obtained for predicting the amplitudes of the harmonics and intermodulation products at the output of an envelope detector excited by a signal formed of a carrier plus a number of sidebands. These expressions are in terms of the ordinary Bessel functions with arguments dependent on the modulations indecies. Comparison between results obtained using the proposed technique and previously published results is performed to establish the accuracy of the proposed technique.