IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
A balanced sub-harmonic mixer for EHF satellite communications
Zhengbin XuJie XuHongfu MengCheng Qian
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2018 Volume 15 Issue 22 Pages 20180931

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Abstract

In this letter, a balanced sub-harmonic mixer based on a dual-mode ring coupler is proposed for EHF satellite communications. Theoretical analysis is given to show that the proposed balanced sub-harmonic mixer has the ability to suppress the odd harmonics of LO and its mixed products. It can improve the poor spurious suppression performance commonly encountered with traditional sub-harmonic mixer. A balanced sub-harmonic mixer based on the proposed structure is designed and fabricated. Measurement results show the mixer achieves good performance in terms of conversion loss and spurious suppression.

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© 2018 by The Institute of Electronics, Information and Communication Engineers
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