IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Analysis on high-order intermodulation of frequency multipliers with harmonic injection
Youngcheol ParkSung-Yong Son
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JOURNAL FREE ACCESS

2008 Volume 5 Issue 15 Pages 568-573

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Abstract

For the successful transmission of complex signals through frequency multipliers, high order analysis of IMD responses for a frequency tripler is performed and the optimum solutions for the harmonic injection technique is presented to suppress the high order IMDs in the 3rd zone. From the 7th order analysis, optimum injection was found to suppress IMDs in the 3rd harmonic zone and their optimum phases are shown to be apart by 180 degrees due to the even-ordered Volterra products of the injection. The measurement results showed IMD suppression better than 30dB, which is consistent with the analysis and the simulated results.

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© 2008 by The Institute of Electronics, Information and Communication Engineers
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