一种DC到2GHz的下变频器，具有图像抑制和高阻挡容忍度，适用于认知无线电

2014 IEEE Radio and Wireless Symposium (RWS) Pub Date : 2014-06-12 DOI:10.1109/RWS.2014.6830126

A. Fahim

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引用次数: 2

摘要

描述了一种用于宽带接收机的图像抑制射频滤波器。该图像抑制RF滤波器依赖于一个复杂的带通滤波器，可以在宽频率上精确调谐。该滤波器的操作在0.13um CMOS技术中进行了演示，并显示在直流到2GHz范围内工作。该滤波器显示提供62 dBc的最小图像抑制比，同时在频带上提供至少+30dBm的OIP3和高阻挡电平容限。

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A DC to 2GHz downconverter with image rejection and high blocker tolerance for cognitive radios

An image reject RF filter for wideband receivers is described. This image reject RF filter relies on a complex bandpass filter that can be tuned accurately over a wide frequency. Operation of this filter is demonstrated in a 0.13um CMOS technology and shown to operate from DC to 2GHz. The filter is shown to provide a minimum image rejection ratio of 62 dBc, while providing an OIP3 of at least +30dBm over the frequency band and high blocker level tolerance.

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2014 IEEE Radio and Wireless Symposium (RWS)

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