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首页> 外文期刊>International Journal of Engineering Research and Applications >Integration of Split Length Technique and Current Replication Branch in Two-Stage Class AB Operational Amplifier
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Integration of Split Length Technique and Current Replication Branch in Two-Stage Class AB Operational Amplifier

机译：两级AB类运算放大器中的定长技术和电流复制分支的集成

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A new two-stage class AB operational amplifier (op-amp) designed in which the differential-pair device N-channel Metal Oxide Semiconductor Field Effect Transistor (NMOSFET) is replaced with split-length device and input stage is transformed into class AB using two-tail transistors. Current replication branch also incorporated in the design to increase output current. Hence, in this design, a class AB operation is achieved in both output and input. The entire design is implemented and simulated in Cadence design environment in 180 nm with 1.8 V supply. The newly designed op-amp exhibits high and symmetrical slew rate with the small amount of power consumption. Moreover, this design also improves gain and bandwidth and found to exhibit better performance as compared to other analysed existing topologies. The newly designed class AB op-amp works at 1.8 V supply with a......
机译：设计了一种新的两级AB类运算放大器（op-amp），其中，将差动对器件N沟道金属氧化物半导体场效应晶体管（NMOSFET）替换为分体式器件，并且使用以下输入级将其输入级转换为AB类两尾晶体管。设计中还包含了电流复制分支，以增加输出电流。因此，在该设计中，在输出和输入上都实现了AB类操作。整个设计在1.8 V电源的180 nm Cadence设计环境中实现和仿真。新设计的运算放大器具有高且对称的压摆率，而功耗却很小。此外，与其他已分析的现有拓扑相比，该设计还提高了增益和带宽，并表现出更好的性能。全新设计的AB类运算放大器可在1.8 V电源下工作，并具有...

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