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A 223-\(\mu W\) single-to-differential RF mixer with 8.6dBm IIP3 using current-bleeding and body-effect for sub-6 GHz 5G applications

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Abstract

As the 5G era beckons in the world of communication and information technology, there is a surge in demand for battery-operated, mobile wireless devices. These wireless devices which are part of the Internet-of-Things (IoT) framework are required to process data with at most accuracy. With sub-6 GHz 5G networks, the IoT systems must be able to withstand large interferers in order to maintain the fidelity of the message signal. Therefore, the linearity of the analog circuits is inevitably crucial for 5G networks. Thus, analog circuits with high linearity at reduced power consumption is the present-day challenge for implementing battery-powered 5G applications. To address the growing market demand for battery-powered wireless devices, this work proposes an ultra-low-power RF mixer with enhanced linearity suitable for sub-6 GHz 5G applications. The post-layout simulations indicate an IIP3 of 8.63dBm while the conversion gain and double-sideband noise figure (DSB-NF) are 9.5 dB and 12.26 dB respectively at 2.4 GHz. The proposed mixer sources 223.3 \(\mu\)A from a 1 V power supply. The proposed circuit is characterized by process-voltage-temperature variations, random process and device mismatches, and also for local oscillator feedthrough.

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Data sharing not applicable to this article as no datasets were generated or analysed during the current study.

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Acknowledgements

The authors would like to thank the Ministry of Electronics and Information Technology (MeiTy), Govt. of India for supporting this research work under the Visvesvaraya PhD scheme with Grant No. VIS-PHD-1708.

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Authors and Affiliations

  1. NIT, Tiruchirappalli, India

    S. Chrisben Gladson, P. Siva Prasad & Bhaskar Manickam

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  1. S. Chrisben Gladson
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  2. P. Siva Prasad
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  3. Bhaskar Manickam
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Correspondence to S. Chrisben Gladson.

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Gladson, S.C., Prasad, P.S. & Manickam, B. A 223-\(\mu W\) single-to-differential RF mixer with 8.6dBm IIP3 using current-bleeding and body-effect for sub-6 GHz 5G applications. Analog Integr Circ Sig Process 109, 571–583 (2021). https://doi.org/10.1007/s10470-021-01942-8

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