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A Wide Tuning-Range CMOS VCO with a Tunable Active Inductor

机译:具有可调有源电感器的宽调谐范围CMOS VCO

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This study describes a wide tuning-range VCO using tunable active inductor (TAI) topology and cross-coupled pair configuration for radio frequency operation. The TAI used two feedback loops to form a cascode circuit to obtain more degrees of freedom for inductance value. The TAI-VCO was fabricated using a 0.18 mu m CMOS technology. The coarse frequency tuning is achieved by TAIs while the fine tuning is controlled by varactors. The fabricated circuit provides an output frequency range from 0.6 to 7.2GHz (169%). Themeasured phase noise is from -110.38 to -86.01 dBc/Hz at a 1MHz offset and output power is from -11.11 to -3.89 dBm within the entire frequency range under a 1.8V power supply.
机译:这项研究描述了使用可调有源电感器(TAI)拓扑和交叉耦合对配置的宽调谐VCO,以实现射频工作。 TAI使用两个反馈回路形成一个级联电路,以获得更大的电感值自由度。 TAI-VCO使用0.18微米CMOS技术制造。粗调频率是通过TAI来实现的,而微调是由变容二极管控制的。所制造的电路可提供0.6至7.2GHz(169%)的输出频率范围。在1.8V电源下的整个频率范围内,在1MHz偏移下测得的相位噪声为-110.38至-86.01 dBc / Hz,输出功率为-11.11至-3.89 dBm。

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