Design of CMOS Amplifier Using New CCII Topologies

Li Cheng; Ning Li; Jia Jian Xi; Ning Yang

doi:10.4028/www.scientific.net/AMR.328-330.1824

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 328-330Design of CMOS Amplifier Using New CCII Topologies

Design of CMOS Amplifier Using New CCII Topologies

Abstract:

A high-precision amplifier design in a stander 0.35μm CMOS process was proposed. This design obtains a high-performance by proper application of dynamic element matching to a second generation current conveyor (CCII). In comparison with the traditional CMOS circuits, the proposed approach can not only increase the output swing and decrease output resistance but also compensate the effect of the input offset and 1/f noise voltage. The simulation results show that the gain error is reduced 38~50 times than the traditional amplifier, and the precision is significantly improved. So the proposed circuit is suitable for the design of special amplifiers used in various detections and signal mediation.

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Periodical:

Advanced Materials Research (Volumes 328-330)

Pages:

1824-1827

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.328-330.1824

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Online since:

September 2011

Authors:

Li Cheng, Ning Li, Jia Jian Xi, Ning Yang

Keywords:

1/ƒ Noise Voltage, CMOS, Current Conveyor, Current Mode Drive, Low Power

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