给出基于0.13μm CMOS工艺、采用单时钟动态负载锁存器设计的四分频器。该四分频器由两级二分频器级联而成,级间采用缓冲电路实现隔离和电平匹配。后仿真结果表明其最高工作频率达37GHz,分频范围为27GHz。当电源电压为1.2V、工作频率为37GHz时,其功耗小于30mW,芯片面积为0.33×0.28 mm2 。
- Abstract:
- A divide-by-4frequency divider based on single clock dynamic-loading latches in0.13μm complementary-metal-oxide-semiconductor(CMOS)technology is presented.It consists of two levels of divide-by-2frequency divider.A buffer circuit is inserted between them to realize separation and the level matching.The post-simulation shows that it exhibits the maximum operating frequency which is up to37GHz,and achieves a frequency range of27GHz.While operating at37GHz with the1.2V supply voltage,the power dissipation is less than30mW,The chip area is0.33×0.28 mm2
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