一种1.8V 4.8GHz 0.9mW 0.18μm CMOS分频器

A 1.8-V 0.9-mW 4.8-GHz Frequency Divider in 0.18 μm CMOS Process

给出了一个电源电压为1.8 V、功耗为0.9 mW的4.8 GHz二分频器。该分频器采用基于反转触发器(TFF)的电路结构,使用动态负载,输出I、Q两路正交信号。对设计的电路采用标准UMC 0.18μm CMOS工艺进行了仿真,结果表明,该分频器工作频率可达6.5 GHz。

A high speed toggle flip-flop （TFF） based frequency divider is presented, which outputs two channels of orthogonal signals, I and Q, with dynamic load. Simulation in standard UMC＇s 0. 18μm CMOS process shows that the frequency divider operates well in the frequency range from 2 GHz to 6.5 GHz, with a 1.8 V supply voltage and 0. 9 mW power consumption.