NDLI: A fully-integrated reconfigurable dual-band transceiver for short range wireless communication in 180nm CMOS

Content Provider	IEEE Xplore Digital Library
Author	Xiaobao Yu Meng Wei Yun Yin Ying Song Siyang Han Qiongbing Liu Zongming Jin Xiliang Liu Zhihua Wang Baoyong Chi
Copyright Year	2014
Description	Author affiliation: Tsinghua Nat. Lab. for Inf. Sci. & Technol., Tsinghua Univ., Beijing, China (Xiaobao Yu; Meng Wei; Yun Yin; Ying Song; Siyang Han; Qiongbing Liu; Zongming Jin; Xiliang Liu; Zhihua Wang; Baoyong Chi)
Abstract	A fully-integrated reconfigurable dual-band transceiver (TRX) is presented for short range wireless communication. The TRX has two independent RF front-ends for each band with a shared analog baseband to achieve optimum power and cost. In Sub-GHz (760-960MHz) band, the maximum 75dBc $3^{rd}$ harmonic rejection ratio (HRR) is achieved by inserting a RFA with notch filtering. In 2.4GHz band, a single-ended-to-differential (S2D) RFA with phase and gain error compensation is proposed. By optimizing two bands separately, the RX achieves a NF of 5.1dB and 4.2dB, respectively. A Σ-Δ fractional-N PLL with two switchable Class-C VCOs is employed to provide the LOs. Moreover, the multi-mode CMOS PAs are integrated, which achieve the measured output P1dB (OP1dB) of 16.3dBm and 14.8dBm with 25% PAE for Sub-GHz and 2.4GHz bands. Furthermore, to optimize the PA's back-off efficiency, the power-control loop is proposed to detect the input signal PAPR in real time and flexibly reconfigure the PA's operation modes. With this proposed technique, the PAE in Sub-GHz band is improved by ×3.24 and ×1.41 at 9dB and 3dB back-off powers. In 2.4GHz band, the PAE is improved by ×2.17 at 6dB back-off power. The measured results have demonstrated that this presented transceiver has achieved comparable or even better performance in terms of noise, HRR, OP1dB and power efficiency compared with the-state-of-the-arts.
Starting Page	257
Ending Page	260
File Size	2004558
Page Count	4
File Format	PDF
ISBN	9781479940905
e-ISBN	9781479940899
DOI	10.1109/ASSCC.2014.7008909
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-11-10
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transceivers Power harmonic filters Harmonic analysis Impedance matching Power generation CMOS integrated circuits Radio frequency
Content Type	Text
Resource Type	Article

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