一个17ghz全npn推挽c类压控振荡器

2019 IEEE BiCMOS and Compound semiconductor Integrated Circuits and Technology Symposium (BCICTS) Pub Date : 2019-11-01 DOI:10.1109/BCICTS45179.2019.8972738

S. Veni, M. Caruso, M. Tiebout, A. Bevilacqua

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引用次数: 2

摘要

提出了一种仅使用npn晶体管工作在17 GHz的SiGe BiCMOS推挽型c类压控振荡器。磁性变压器用于在共集电极差分对周围设置正反馈并实现推挽操作。这允许在给定振荡幅度下将偏置电流减半，而只使用一种类型的有源器件。该振荡器在1 MHz偏置时相位噪声低至-116 dBc/Hz，同时从3.3 V电源吸取13.7 mA。调谐范围为15%。

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A 17 GHz All-npn Push-Pull Class-C VCO

A SiGe BiCMOS push-pull class-C VCO operating at 17 GHz and making use of only npn transistors is presented. A magnetic transformer is used to set positive feedback around a common-collector differential pair and implement the push-pull operation. This allows to halve the bias current for a given amplitude of oscillation, while using just one type of active devices. The oscillator features a phase noise as low as -116 dBc/Hz at 1 MHz offset, while drawing 13.7 mA from the 3.3 V supply. The tuning range is 15%.

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2019 IEEE BiCMOS and Compound semiconductor Integrated Circuits and Technology Symposium (BCICTS)

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