Ultra wide-band high-order pulse digital transmitter IC in 90nm CMOS for biomedical radar sensing

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI:10.1109/ICUWB.2011.6058858

Xubo Wang, A. Dinh, D. Teng

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引用次数: 5

Abstract

In this paper, an UWB transmitter for next generation bio-radar sensing system characterized by a high data rate, low area, low power consumption, and low complexity, and specifically designed to fit Canada UWB spectrum mask, is proposed for real-time bio-medical sensing. The transmitter is based on an all digitally controlled circuit pulse generator in 90nm CMOS to generate the tenth-order derivative of Gaussian pulse with bi-phase modulation scheme operating in the 6–10GHz band specified by Canada draft spectrum specification. The switch diplexer presents a 0.5dB insertion loss. The transmitter core occupies an chip area of 200um×140um. Simulating on a 1V voltage supply, the transmitter draws average 9.037mW when generating the tenth-order Gaussian derivative pulses at a pulse repetition frequency of 50MHz. The transmitter has an output power of 7.08dBm and each pulse carries an energy of 3.1pJ.The pulse is digitally synthesized and bi-phase modulated. This transmitter prototype can generate any other pulse combinations with minor design modifications. The predicted performance of the bio-radar is also evaluated and discussed.

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用于生物医学雷达传感的90纳米CMOS超宽带高阶脉冲数字发射机IC

本文提出了一种适用于加拿大UWB频谱掩模的下一代生物雷达传感系统的超宽带发射机，该系统具有高数据速率、低面积、低功耗、低复杂度等特点，可用于实时生物医学传感。该发射机基于90nm CMOS全数字控制电路脉冲发生器，产生高斯脉冲的十阶导数，采用双相位调制方案，工作在加拿大频谱规范草案规定的6-10GHz频段。开关双工器的插入损耗为0.5dB。发射机核心的芯片面积为200um×140um。在1V电压电源上进行仿真，在脉冲重复频率为50MHz的情况下，发射机产生十阶高斯导数脉冲时，平均输出功率为9.037mW。发射器的输出功率为7.08dBm，每个脉冲携带3.1pJ的能量。脉冲是数字合成和双相位调制。这个发射机原型可以产生任何其他脉冲组合与小的设计修改。对生物雷达的预测性能进行了评价和讨论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2011 IEEE International Conference on Ultra-Wideband (ICUWB)

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