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A dual-band transformer-coupled notch filter mixer for 2.45-/5.2-GHz WLAN application

This paper presents a dual-band down-conversion mixer with image rejection feature using transformer-coupled notch filter for 2.45-/5.2-GHz WLAN application. A single center-tapped transformer is integrated to form two differential series inductor-capacitor (LC) resonators as a filter circuit to cre...

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Main Authors: Wong, Yoke Theng, Ramiah, Harikrishnan, Vitee, Nandini
Format: Article
Published: Springer Birkhauser 2021
Subjects:
TA Engineering (General). Civil engineering (General)
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.um.edu.my/27159/
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spelling my.um.eprints.271592022-04-12T06:56:26Z http://eprints.um.edu.my/27159/ A dual-band transformer-coupled notch filter mixer for 2.45-/5.2-GHz WLAN application Wong, Yoke Theng Ramiah, Harikrishnan Vitee, Nandini TA Engineering (General). Civil engineering (General) TK Electrical engineering. Electronics Nuclear engineering This paper presents a dual-band down-conversion mixer with image rejection feature using transformer-coupled notch filter for 2.45-/5.2-GHz WLAN application. A single center-tapped transformer is integrated to form two differential series inductor-capacitor (LC) resonators as a filter circuit to create attenuation at the image frequencies in eliminating the signal distortion caused by the image signals. Furthermore, an NMOS cross-coupled pair was adopted in the notch filter to improve the image rejection capability due to the presence of negative resistance. Simulated on a standard 130nm CMOS process, the proposed transformer-coupled notch filter mixer achieves a conversion gain of 15.3/10.7 dB, input-referred third-order interception point (IIP3) of - 6.8/- 2.0 dBm and a noise figure of 8.8/14.8 dB for an input RF of 2.45/5.2 GHz with an IF of 500 MHz. The notch filter mixer consumes 5.5 mW of power from a supply voltage of 1.2 V. Springer Birkhauser 2021-05 Article PeerReviewed Wong, Yoke Theng and Ramiah, Harikrishnan and Vitee, Nandini (2021) A dual-band transformer-coupled notch filter mixer for 2.45-/5.2-GHz WLAN application. Circuits Systems and Signal Processing, 40 (5). pp. 2159-2175. ISSN 0278-081X, DOI https://doi.org/10.1007/s00034-020-01579-4 <https://doi.org/10.1007/s00034-020-01579-4>. 10.1007/s00034-020-01579-4
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic TA Engineering (General). Civil engineering (General)
TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TA Engineering (General). Civil engineering (General)
TK Electrical engineering. Electronics Nuclear engineering
Wong, Yoke Theng
Ramiah, Harikrishnan
Vitee, Nandini
A dual-band transformer-coupled notch filter mixer for 2.45-/5.2-GHz WLAN application
description This paper presents a dual-band down-conversion mixer with image rejection feature using transformer-coupled notch filter for 2.45-/5.2-GHz WLAN application. A single center-tapped transformer is integrated to form two differential series inductor-capacitor (LC) resonators as a filter circuit to create attenuation at the image frequencies in eliminating the signal distortion caused by the image signals. Furthermore, an NMOS cross-coupled pair was adopted in the notch filter to improve the image rejection capability due to the presence of negative resistance. Simulated on a standard 130nm CMOS process, the proposed transformer-coupled notch filter mixer achieves a conversion gain of 15.3/10.7 dB, input-referred third-order interception point (IIP3) of - 6.8/- 2.0 dBm and a noise figure of 8.8/14.8 dB for an input RF of 2.45/5.2 GHz with an IF of 500 MHz. The notch filter mixer consumes 5.5 mW of power from a supply voltage of 1.2 V.
format Article
author Wong, Yoke Theng
Ramiah, Harikrishnan
Vitee, Nandini
author_facet Wong, Yoke Theng
Ramiah, Harikrishnan
Vitee, Nandini
author_sort Wong, Yoke Theng
title A dual-band transformer-coupled notch filter mixer for 2.45-/5.2-GHz WLAN application
title_short A dual-band transformer-coupled notch filter mixer for 2.45-/5.2-GHz WLAN application
title_full A dual-band transformer-coupled notch filter mixer for 2.45-/5.2-GHz WLAN application
title_fullStr A dual-band transformer-coupled notch filter mixer for 2.45-/5.2-GHz WLAN application
title_full_unstemmed A dual-band transformer-coupled notch filter mixer for 2.45-/5.2-GHz WLAN application
title_sort dual-band transformer-coupled notch filter mixer for 2.45-/5.2-ghz wlan application
publisher Springer Birkhauser
publishDate 2021
url http://eprints.um.edu.my/27159/
_version_ 1735409506901295104
score 13.211869

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