基于D触发器的电路结构 ,采用TSMC 0 .2 5 μmCMOS工艺 ,成功地实现了12GHz 1:2动态分频器。经测试 ,该分频器在输入信号频率为 10 .5 3GHz时 ,最小可分频幅度小于 2mV ,输入信号单端幅度小于 30 0mV时 ,可分频范围为 7GHz～ 12GHz。电源电压 3.3V ,核心功耗 2 4mW。 Based on the circuit structure of the D flip-flop, a 12GHz 1: 2 dynamic frequency divider was successfully implemented using the TSMC 0.52 μm CMOS process. Tested, the divider in the input signal frequency of 10 .5 3GHz, the minimum frequency divider amplitude of less than 2mV, input signal single-ended amplitude less than 30 0mV, the divisible range of 7GHz ~ 12GHz. 3.3V supply voltage, core power consumption 24mW.