NDLI: A 18 mW Tx, 22 mW Rx transceiver for 2.45 GHz IEEE 802.15.4 WPAN in 0.18-µm CMOS

Content Provider	IEEE Xplore Digital Library
Author	Raja, M.K. Xuesong Chen Yan Dan Lei Zhao Bin Ben Choi Yeung Yuan Xiaojun
Copyright Year	2010
Description	Author affiliation: Institute of Microelectronics, A∗STAR (Agency for Science, Technology and Research), Singapore (Raja, M.K.; Xuesong Chen; Yan Dan Lei; Zhao Bin; Ben Choi Yeung; Yuan Xiaojun)
Abstract	This paper demonstrates a highly integrated transceiver for 802.15.4, consuming a dc power of 18 mW and 22.3 mW in the Tx and Rx mode respectively. The g boosted LNA shares the dc current with mixer, complex filter uses transistorized biquads, Limiting Amplifier and RSSI chain uses two local loops to save dc power. In the Tx, 2-point direct FSK modulation using normal sized varactors are used in the PLL, which not only obviates the need for auto calibration but also saves dc power due to the absence of DAC. The low IF receiver achieves a sensitivity of −94 dBm, an over load point of −20 dBm adjacent and alternate channel rejections of 40 dB and 55 dB respectively and a linear RSSI range of 89 dB. The transmitter delivers an OQPSK modulated signal of 0 dBm, with an EVM of 7% and the output spectrum meets the mask requirements of 802.15.4, FCC & ETSI. Implemented in 0.18-µm CMOS, loop filter and the crystal resonator for the PLL are the only external components apart from the decoupling capacitors.
Starting Page	1
Ending Page	4
File Size	943162
Page Count	4
File Format	PDF
ISBN	9781424483006
e-ISBN	9781424482993
DOI	10.1109/ASSCC.2010.5716552
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transceivers Zigbee Modulation Resonator filters Sensitivity CMOS integrated circuits Calibration
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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