基于CMOS环型振荡器0~100 MHz高线性低功耗时钟发生器
A 0-100 MHz High-Linearity Low-Power Clock Generator Based on CMOS Ring Oscillator
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摘要: 设计了一种基于高线性低功耗延时单元和电压电流转换电路的环形压控振荡器电路, 并采用数控技术提出了一种延时和充放电电流可编程控制的鉴频鉴相器和电荷泵电路, 获得了突出的环路性能, 最终基于0.18μm RF CMOS工艺集成实现了一个具有高线性低功耗特性的时钟信号发生器.Abstract: A ring oscillator is designed based on a high-linearity and low-power delay element and V-I converter circuits. A programmable-delay phase frequency detector and a programmable-current charge pump are proposed based on digital control technology for achieving excellent loop performance. The high-linearity and low-power clock generator is implemented in 0.18μm RF CMOS technology.
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