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RF CMOS switch design methodologies for multiband transceiver applications


Thangasamy, Veeraiyah and Thiruchelvam, Vinesh and Hashim, Shaiful Jahari and Kamsani, Noor Ain (2017) RF CMOS switch design methodologies for multiband transceiver applications. Pertanika Journal of Science & Technology, 25 (spec. Feb.). pp. 29-36. ISSN 0128-7680; ESSN: 2231-8526


Multimode multiband connectivity has become a de-facto requirement for smartphones with 3G WCDMA/4G LTE applications. In transceivers, multiband operation is achieved by selecting an output from two or more signal path targeting for a specific frequency range in parallel or by using switched capacitor/inductor. In this paper, design methodology of 280nm CMOS switch is presented. Design optimization of RF CMOS switch is presented which is deciding proper selection of CMOS transistor parameters and switch size as per external circuit parameters. The CMOS switch of a 5-transistor stack with W/L=1200µm/280nm provides insertion loss < 0.6dB and isolation loss >14dB. The switches designed when implemented in a multiband power amplifier (PA) exhibits 36dB gain at 1900MHz high-band and 34.5dB gain at 900MHz low-band with 27.5dBm peak power at both bands. The switch design methodologies presented in this paper should be of use in designing various blocks in emerging multiband transceiver applications.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Publisher: Universiti Putra Malaysia Press
Keywords: CMOS RF switch; Insertion loss; Isolation loss; Multiband power amplifier; Long term evolution (LTE)
Depositing User: Nabilah Mustapa
Date Deposited: 30 Jun 2017 09:52
Last Modified: 05 Jul 2017 03:28
URI: http://psasir.upm.edu.my/id/eprint/55896
Statistic Details: View Download Statistic

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