Design of digitally controlled LC oscillator with wide tuning range in 0.18um TSMC CMOS technology
Design of digitally controlled LC oscillator with wide tuning range in 0.18um TSMC CMOS technology
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DOI：
10.1109/apmc.2008.4958313
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发表时间：
2008-12
期刊：
影响因子：
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通讯作者：
A. Tomar;R. Pokharel;H. Kanaya;K. Yoshida
中科院分区：
文献类型：
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作者：
A. Tomar;R. Pokharel;H. Kanaya;K. Yoshida
数字控制LC振荡器（LC-DCO）设计在0.18妈妈CMOS工艺具有低相位噪声和低功耗。特别注意实现宽调谐范围。采用新的逻辑实现了变容二极管阵列，大大减少了信号线的数量，减小了用于解码输入控制字的本地解码器的尺寸。这种解码方案减小了寄生电容和功耗的大小，并提供了建议的DCO宽调谐范围。
Digitally controlled LC oscillator (LC-DCO) design in 0.18 mum CMOS technology is presented with low phase noise and low power dissipation. Particular attention is given to achieve the wide tuning range. A varactor array is implemented using new logic, which made the significant reduction in the number of signal lines and the reduction in the size of local decoder, used to decode the input control word. This decoding scheme reduces the size of parasitic capacitance and power dissipation and provides wide tuning range of the proposed DCO.