Jongsoo Lee, P. Roblin, S. Bibyk, Chang-Woo Kim, Hyo-Dal Park, Young-Gi Kim
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引用次数: 0
摘要
本文介绍了一种新的达林顿交流耦合混频器，工作在8 GHz，具有改进的优点系数。这种达林顿交流耦合混合器以及用于参考的简单交流耦合混合器在0.35 μ m SiGe双极过程中实现。电源电压和电流消耗为3.2 V和28 mA。在达林顿交流耦合混频器中，转换增益、工作带宽和NF分别提高了13 dB、180 MHz和10 dB。这些改进的性能因数是在交流耦合混频器的跨导阶段使用达林顿电池的结果。
This paper describes a new Darlington AC-coupled mixer operating at 8 GHz with improved figure-of-merits. This Darlington AC-coupled mixer along with a simple AC- coupling mixer used for reference are implemented in a 0.35 mum SiGe bipolar process. The supply voltage and current consumption are 3.2 V and 28 mA. In the Darlington AC-coupling mixer, the conversion gain, the operating bandwidth, and the NF are found to be improved by 13 dB, 180 MHz, and 10 dB, respectively. These improved figure-of-merit results from the use of the Darlington cell in the transconductance stage of the AC-coupling mixer.
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