用于电缆调制解调器接收器的宽调谐范围双vco

2002 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium. Digest of Papers (Cat. No.02CH37280) Pub Date : 2002-06-02 DOI:10.1109/MWSYM.2002.1011687

K. Stadius, K. Halonen

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引用次数: 7

摘要

用于电缆调制解调器应用的双转换接收器需要具有低相位噪声特性的宽调谐范围VCO用于第一代LO。从单片压控振荡器中同时实现低相位噪声和大调谐范围是一项非常具有挑战性的任务。本文讨论了宽带单片LC-VCO的设计问题，采用0.9-/spl mu/m SiGe HBT技术设置边界。给出了两种双压控振荡器的实现方法，并提出了一种不加载lc谐振器的压控振荡器信号缓冲方法。给出了仿真和实验结果。

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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Wide-tuning-range dual-VCOs for cable modem receivers

A double-conversion receiver for cable modem applications requires a wide-tuning-range VCO with low phase noise characteristics for the first LO generation. Achieving simultaneously low phase noise and large tuning range from a monolithic VCO is an exceptionally challenging task. The design aspects of wideband monolithic LC-VCO are tackled in this paper with the boundaries set by a 0.9-/spl mu/m SiGe HBT technology. Two dual-VCO implementations are presented and a method for buffering the VCO signal without loading the LC-resonator is proposed. Both simulation and experimental results are given.

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来源期刊

2002 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium. Digest of Papers (Cat. No.02CH37280)

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