A 3.1 – 6.65 GHz, 933µW impulse radio pulse generator with tuneable spectrum in 0.18µm CMOS

2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI:10.1109/TELSKS.2013.6704403

J. Radic, A. Djugova, L. Nagy, Mirjana S. Videnovic Misic

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引用次数: 1

Abstract

A low-power tuneable impulse radio ultra wide band (IR-UWB) pulse generator (PG) for 3.1 - 6.65 GHz band applications is proposed. To provide compensation due to process, voltage and temperature (PVT) variations and achievement of best performance, the PG is capable of adjusting the Power Spectral Density (PSD) modifying the generated pulse amplitude and duration. Furthermore, the spectrum center frequency can be tuned by changing the frequency of the voltage controlled ring oscillator. Post-layout simulations show the pulse amplitude of 315 mV and the pulse duration around 1 ns. The generated signal spectrum fully complies with the FCC spectral regulations. The total power consumption is only 933 μW with supply voltage of 1.8 V. This corresponds to energy consumption of 11.67 pJ/pulse for a 80 MHz pulse repetition frequency (PRF). The PG is designed in UMC 0.18μm CMOS process with the total chip area of 0.35 μm2.

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3.1 - 6.65 GHz, 933µW脉冲无线电脉冲发生器，频谱可调，采用0.18µm CMOS

提出了一种适用于3.1 ~ 6.65 GHz频段的低功率可调谐脉冲无线电超宽带脉冲发生器(PG)。为了补偿工艺、电压和温度(PVT)的变化，实现最佳性能，PG能够调节功率谱密度(PSD)，修改产生的脉冲幅度和持续时间。此外，可以通过改变压控环振荡器的频率来调谐频谱中心频率。布局后仿真表明，脉冲幅值为315 mV，脉冲持续时间约为1 ns。生成的信号频谱完全符合FCC频谱规则。在1.8 V供电电压下，总功耗仅为933 μW。这对应于80mhz脉冲重复频率(PRF)的11.67 pJ/脉冲的能量消耗。该PG采用UMC 0.18μm CMOS工艺设计，总芯片面积为0.35 μm2。

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2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)

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