题目

英语翻译
为验证上文对电路中增益提高电路和共模反馈电路设计的正确性,采用Chartered 0.18um 1.8V CMOS工艺库,在Cadence 软件仿真环境下进行电路仿真.首先对2个增益提高进行了仿真,是否满足设计的要求.图7,8是增益提高的频率特性,信号通路上的N型增益提升电路的负载电容为1pF,从图7中可以看出,其开环直流增益为24dB,单位增益带宽为1.44GHz,相位裕度为79°,P型增益提升电路的负载电容为0.6pF,从图8中的频率特性可以看出,其开环直流增益为28dB,单位增益带宽为1.39GHz,相位裕度为76°,满足设计要求.

提问时间：2020-11-16

答案

为验证上文对电路中增益提高电路和共模反馈电路设计的正确性,采用Chartered 0.18um 1.8V CMOS工艺库,在Cadence 软件仿真环境下进行电路仿真.x05
To test the circuit in the above paragraphs gain improve circuit and common-mode feedback circuit design is correct,the Chartered 0.18 um 1.8 V CMOS technology library,in Cadence software simulation environment circuit simulation.x05
首先对2个增益提高进行了仿真,是否满足设计的要求.x05
The first of two gain improve simulation,whether meet the design requirements.x05
图7,8是增益提高的频率特性,信号通路上的N型增益提升电路的负载电容为1pF,从图7中可以看出,其开环直流增益为24dB,单位增益带宽为1.44GHz,相位裕度为79°,P型增益提升电路的负载电容为0.6pF,从图8中的频率特性可以看出,其开环直流增益为28dB,单位增益带宽为1.39GHz,相位裕度为76°,满足设计要求.x05
Figure 7,8 is the gain improve frequency characteristics,signal path of ascension of n-type gain circuit load capacitance for 1 pF,can see from figure 7,the open loop dc gain for 24 dB,1.44 GHz bandwidth units gain,phase margin for 79 °,P type gain of the circuit for ascension load capacitance 0.6 pF,from the figure 8 can be seen in the frequency characteristics,the open loop dc gain for 28 dB,1.39 GHz bandwidth units gain,phase margin for 76 °,meet the design requirements.