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This paper introduces a novel current differencing transconductance amplifier (CDTA). The performance of CDTA is evaluated across different CMOS technologies, namely 180, 90, and 45 nm, through extensive simulations. The results demonstrate significant performance enhancement as the technology scales down from 180 to 45 nm. The study also explores the transition to the advanced 32 nm FinFET technology, highlighting its benefits over traditional CMOS. The paper employs the 32 nm FinFET technology to implement a Universal Filter and investigates its all the responses. Remarkably, the FinFET-based design exhibits substantial improvements in all response types compared to the CMOS-based implementation. These enhancements are attributed to the capability of FinFETs to overcome short channel effects and their superior sub-threshold slopes. The proposed FinFET-based Universal Filter holds great promise for applications in Dielectric Spectroscopy, offering enhanced performance and versatility for advanced electronic systems.

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Performance Comparison of 45 nm CMOS Based CDTA and 32 nm FinFET Based CDTA and Its Application as Universal Filter

  • 会议论文

  • 发表日期：

    2025年

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  • Jyoti Sharma,
  • Puneet Sharma,
  • Deepak Verma

摘要

This paper introduces a novel current differencing transconductance amplifier (CDTA). The performance of CDTA is evaluated across different CMOS technologies, namely 180, 90, and 45 nm, through extensive simulations. The results demonstrate significant performance enhancement as the technology scales down from 180 to 45 nm. The study also explores the transition to the advanced 32 nm FinFET technology, highlighting its benefits over traditional CMOS. The paper employs the 32 nm FinFET technology to implement a Universal Filter and investigates its all the responses. Remarkably, the FinFET-based design exhibits substantial improvements in all response types compared to the CMOS-based implementation. These enhancements are attributed to the capability of FinFETs to overcome short channel effects and their superior sub-threshold slopes. The proposed FinFET-based Universal Filter holds great promise for applications in Dielectric Spectroscopy, offering enhanced performance and versatility for advanced electronic systems.