2.4/5.7-GHz CMOS dual-band low-IF architecture using Weaver-Hartley image-rejection techniques

Chin-Chun Meng; Tzung Han Wu; Jin Siang Syu; Sheng Wen Yu; Kuan Chang Tsung; Ya Hui Teng

doi:10.1109/TMTT.2008.2012300

2.4/5.7-GHz CMOS dual-band low-IF architecture using Weaver-Hartley image-rejection techniques

Chin-Chun Meng^*, Tzung Han Wu, Jin Siang Syu, Sheng Wen Yu, Kuan Chang Tsung, Ya Hui Teng

^*Corresponding author for this work

National Chiao Tung University

Research output: Contribution to journal › Article

17 Scopus citations

Abstract

A 2.4/5.7-GHz dual-band Weaver-Hartley architecture, using 0.18-μm CMOS technology, is demonstrated in this paper. The 2.4-GHz signal is set to be the image signal when the desired signal is at 5.7 GHz, and vice versa. Since the Weaver and Hartley systems are combined into this architecture, the demonstrated architecture rejects not only the first image signal, but also the secondary image signal. The image-rejection ratios of the first image signal and the secondary image signal are better than 40 and 46 dB, respectively. In this paper, a diagrammatic explanation is employed to obtain the image-rejection mechanisms of the Weaver-Hartley architecture.

Original language	English
Article number	4773159
Pages (from-to)	552-561
Number of pages	10
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	57
Issue number	1
DOIs	https://doi.org/10.1109/TMTT.2008.2012300
State	Published - 1 Jan 2009

Keywords

Divider
Hartley architecture
Image rejection
Secondary image rejection
Weaver architecture

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10.1109/TMTT.2008.2012300

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Meng, C-C., Wu, T. H., Syu, J. S., Yu, S. W., Tsung, K. C., & Teng, Y. H. (2009). 2.4/5.7-GHz CMOS dual-band low-IF architecture using Weaver-Hartley image-rejection techniques. IEEE Transactions on Microwave Theory and Techniques, 57(1), 552-561. [4773159]. https://doi.org/10.1109/TMTT.2008.2012300

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abstract = "A 2.4/5.7-GHz dual-band Weaver-Hartley architecture, using 0.18-μm CMOS technology, is demonstrated in this paper. The 2.4-GHz signal is set to be the image signal when the desired signal is at 5.7 GHz, and vice versa. Since the Weaver and Hartley systems are combined into this architecture, the demonstrated architecture rejects not only the first image signal, but also the secondary image signal. The image-rejection ratios of the first image signal and the secondary image signal are better than 40 and 46 dB, respectively. In this paper, a diagrammatic explanation is employed to obtain the image-rejection mechanisms of the Weaver-Hartley architecture.",

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AU - Tsung, Kuan Chang

AU - Teng, Ya Hui

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