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CMOS差分放大器是现代集成电路设计中一个非常重要的电路结构.由于CMOS差分放大器对其版图设计以及晶体管尺寸非常敏感,CMOS差分放大器设计是模拟电路设计的一个难题.本文利用Powerchip Semiconductor Corp的L110_N工艺实现了不同结构以及不同尺寸的CMOS差分放大器的电路图和版图设计,并利用HSPICE对这些设计进行了后仿真,得到了不同尺寸和版图结构下性能对比结果,对相关领域集成电路设计有很好的指导意义.
CMOS differential amplifier is a very important circuit structure in the design of modern integrated circuits.Due to the CMOS differential amplifier is very sensitive to its layout design and transistor size, CMOS differential amplifier design is a difficult problem in analog circuit design.In this paper, L110_N of Powerchip Semiconductor Corp The circuit diagram and layout design of CMOS differential amplifier with different structures and different sizes have been realized. The design of these circuits has been simulated by HSPICE. The results of performance comparison under different sizes and layout structures have been obtained, and the design of ICs in related fields is very good Guiding significance.