在0.13/spl mu/m CMOS中具有100Mhz微调范围的umts -投诉全数字控制振荡器

2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers Pub Date : 2006-09-18 DOI:10.1109/ISSCC.2006.1696116

T. Pittorino, Y. Chen, V. Neubauer, T. Mayer, L. Maurer

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引用次数: 17

摘要

提出了一种0.13 μ m CMOS全数字控制振荡器。它工作在2GHz，从2.5V电源吸取3.2mA，在1MHz偏移时相位噪声为-118dBc/Hz，符合UMTS振荡器的要求。从3.45到4.45GHz的调谐范围是通过使用二进制加权和温度计编码的可切换电容器实现的，其允许200kHz的最大频率步进

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A UMTS-complaint fully digitally controlled oscillator with 100Mhz fine-tuning range in 0.13/spl mu/m CMOS

A 0.13mum CMOS fully digitally controlled oscillator is presented. Running at 2GHz, it draws 3.2mA from a 2.5V supply and has a phase noise of -118dBc/Hz at 1MHz offset, as required for UMTS oscillators. A tuning range from 3.45 to 4.45GHz is achieved by using binary-weighted and thermometer-coded switchable capacitors, which allow a maximum frequency step of 200kHz

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2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers

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