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A Bandwidth and Frequency Calibration Method for OOK UWB-IR Transmitter with High Energy Efficiency

Micro-nano Electronic System & Integrated Circuits Center, University of Science and Technology of China, Hefei, Anhui 230027, P. R. China

E-mail Address: diaosxi@ustc.edu.cn

Corresponding author.

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Fujiang Lin

Micro-nano Electronic System & Integrated Circuits Center, University of Science and Technology of China, Hefei, Anhui 230027, P. R. China

E-mail Address: linfj@ustc.edu.cn

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Yuanjin Zheng

School of Electrical and Electronic Engineering, Nanyang Technological University, Block S2.2-B2-46, 50 Nanyang Avenue, Singapore City 639798, Singapore

E-mail Address: yjzheng@ntu.edu.sg

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https://doi.org/10.1142/S0218126620501376Cited by:0 (Source: Crossref)

Abstract

In this paper, an offline bandwidth and frequency calibration method for an on–off LC oscillator-based ultra-wideband impulse radio (UWB-IR) transmitter is presented. Implemented in 0.18- $μ$ $μ$ m CMOS, the offline calibration circuits consume very little power. This allows the transmitter to consume an ultra-low average power of 319 $μ$ $μ$ W over 3–5GHz at 2Mbps. The calibration is critical to ensure the FCC spectral mask compliance despite the process–voltage–temperature (PVT) variations. The transmitter can deliver a large differential output swing of 1.8–3V to a 100- $Ω$ $Ω$ load with minimal power efficiency of 7% at different data rates (2–30Mbps). It is suitable for WPAN application with localization and positioning capabilities.

This paper was recommended by Regional Editor Tongquan Wei.

Keywords:

References

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