一种用于脉冲无线电超宽带的4GHz温度补偿CMOS环形振荡器

2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT) Pub Date : 2016-12-01 DOI:10.1109/SETIT.2016.7939844

Nadia Gargouri, Z. Sakka, D. Ben Issa, A. Kachouri, M. Samet

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引用次数: 13

摘要

本文提出了一种具有简单温度补偿电路的压控环形振荡器(VCO)，可产生稳定的4ghz振荡频率。所提出的温度补偿电路能够使未补偿压控振荡器的中心频率变化降低89.25%，温度稳定性为108 ppm/°C。采用台积电0.18µm CMOS技术的仿真显示，在距载波1 MHz偏移时，相位噪声为- 74.55 dBc/Hz，总功耗为11.06 mA。因此，该振荡器系统适用于脉冲无线电超宽带(IR-UWB)无线通信系统。

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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A 4GHz temperature compensated CMOS ring oscillator for impulse radio UWB

This paper presents a voltage controlled ring oscillator (VCO) with a simpler temperature compensation circuit to produce a stable 4 GHz oscillation frequency. The proposed temperature compensation circuit is able to achieve a 89.25 % reduction in the variation of the center frequency of the uncompensated VCO and 108 ppm/°C temperature stability. Simulations using TSMC 0.18 µm CMOS technology show a low phase noise of a −74.55 dBc/Hz at 1 MHz offset from the carrier and a total power consumption of 11.06 mA. Therefore, the proposed oscillator system is suitable for the impulse radio ultra wide band (IR-UWB) wireless communication system.

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2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)

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