A 0.3‐V, 2.4‐nW, and 100‐Hz fourth‐order LPF for ECG signal processing,International Journal of Circuit Theory and Applications

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A 0.3‐V, 2.4‐nW, and 100‐Hz fourth‐order LPF for ECG signal processing
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2020-07-14 , DOI: 10.1002/cta.2839
Hanumantha Rao G. ₁ , Sreenivasulu P. ₁ , Rekha S. ₁ , M. S. Bhat ₁

Affiliation

An ultra‐low voltage, low power bulk‐driven voltage follower (VF) is proposed in this paper. Further, it is exploited to design a fourth‐order low‐pass filter (LPF) for electrocardiogram (ECG) signal processing. The filter is designed in UMC 180‐nm CMOS technology and operates with an ultra‐low supply voltage of 0.3 V. It consumes an extremely low power of 2.4 nW for a cutoff frequency of 100 Hz. Results of post‐layout simulation show that the proposed filter provides a dynamic range (DR) of 51.6 dB even from a 0.3‐V supply voltage. The filter achieves a Figure‐of‐merit (FoM) of 4.7 × 10⁻¹⁵, which is better than many designs listed in the literature.

中文翻译：

用于ECG信号处理的0.3V，2.4nW和100Hz四阶LPF

本文提出了一种超低电压，低功耗的大容量驱动电压跟随器（VF）。此外，它被用来设计用于心电图（ECG）信号处理的四阶低通滤波器（LPF）。该滤波器采用UMC 180 nm CMOS技术设计，可在0.3 V的超低电源电压下工作。对于100 Hz的截止频率，它消耗的功率极低，仅为2.4 nW。布局后仿真的结果表明，即使在0.3V电源电压下，该滤波器也可提供51.6 dB的动态范围（DR）。该滤波器的品质因数（FoM）为4.7×10 ^-15，优于文献中列出的许多设计。

更新日期：2020-07-14

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