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<p>This paper presents a low-power, high-frequency voltage-mode biquad bandpass filter design for wideband 5G FR1 receiver front-end applications. The proposed filter is expected to block out-of-band interference, increase the effective dynamic range of the LNA, and improve receiver sensitivity. The presented filter is VDTA-based. The VDTA-based filter structure allows the operating frequency to be electronically adjusted through transconductance control. As an alternative to problems encountered by traditional CMOS structures at sub-micron technology scales, such as short channel effects and increased leakage current, this work has been implemented using VDTA FinFET transistors. The low supply voltage operation, high-frequency performance, and improved scalability offered by FinFET technology enhance the performance of the proposed structure. The voltage-mode biquad filter, consisting of a single FinFET-based VDTA block and two capacitors, stands out due to its simple structure and suitability for integration. Simulation results demonstrate that the proposed design offers an effective solution in terms of power efficiency and high-frequency performance compared to existing works in the literature.</p>

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VDTA-Based Reconfigurable Filter Design Using FinFET Technology for Wideband 5G FR1 Receiver Front-End Applications

  • 期刊论文

  • 发表日期：

    2026年7月8日

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  • Sevda Altan Yağci,
  • Firat Kaçar

摘要

This paper presents a low-power, high-frequency voltage-mode biquad bandpass filter design for wideband 5G FR1 receiver front-end applications. The proposed filter is expected to block out-of-band interference, increase the effective dynamic range of the LNA, and improve receiver sensitivity. The presented filter is VDTA-based. The VDTA-based filter structure allows the operating frequency to be electronically adjusted through transconductance control. As an alternative to problems encountered by traditional CMOS structures at sub-micron technology scales, such as short channel effects and increased leakage current, this work has been implemented using VDTA FinFET transistors. The low supply voltage operation, high-frequency performance, and improved scalability offered by FinFET technology enhance the performance of the proposed structure. The voltage-mode biquad filter, consisting of a single FinFET-based VDTA block and two capacitors, stands out due to its simple structure and suitability for integration. Simulation results demonstrate that the proposed design offers an effective solution in terms of power efficiency and high-frequency performance compared to existing works in the literature.