Publication detail

0.3-V Voltage-Mode Versatile First-Order Analog Filter Using Multiple-Input DDTAs

KUMNGERN, M. KHATEB, F. KULEJ, T. ŠTEFFAN, P.

Original Title

0.3-V Voltage-Mode Versatile First-Order Analog Filter Using Multiple-Input DDTAs

Type

journal article in Web of Science

Language

English

Original Abstract

This paper presents a versatile first-order analog filter using differential difference transconductance amplifiers (DDTAs). The DDTA employs the bulk-driven (BD) multiple-input MOS transistors technique (MI-MOST) operating in the subthreshold region. This results in low-voltage and low-power operational capability. Therefore, the DDTA, designed using 130 nm CMOS technology from UMC in the Cadence environment, operates with 0.3 V and consumes 357.4 nW. Unlike previous works, the proposed versatile first-order analog filter provides first-order transfer functions of low-pass, high-pass, and all-pass filters within a single topology. The non-inverting, inverting, and voltage gain of the transfer functions are available for all filters. Furthermore, the proposed structure provides high-input and low-output impedance, which is required for voltage-mode circuits. The pole frequency and voltage gain of the filters can be electronically controlled. The total harmonic distortion of the low-pass filter was calculated as -39.97 dB with an applied sine wave input signal of 50 mV(pp)@ 50 Hz. The proposed filter has been used to realize a quadrature oscillator to confirm the advantages of the new structure.

Keywords

differential difference transconductance amplifier; analog filter; voltage-mode circuit; low-voltage low-power circuit

Authors

KUMNGERN, M.; KHATEB, F.; KULEJ, T.; ŠTEFFAN, P.

Released

26. 7. 2023

Publisher

MDPI

Location

BASEL

ISBN

1424-8220

Periodical

SENSORS

Year of study

23

Number

13

State

Swiss Confederation

Pages from

1

Pages to

16

Pages count

16

URL

https://doi.org/10.3390/s23135945

Full text in the Digital Library

http://hdl.handle.net/11012/245006

BibTex

@article{BUT184287,
  author="Montree {Kumngern} and Fabian {Khateb} and Tomasz {Kulej} and Pavel {Šteffan}",
  title="0.3-V Voltage-Mode Versatile First-Order Analog Filter Using Multiple-Input DDTAs",
  journal="SENSORS",
  year="2023",
  volume="23",
  number="13",
  pages="1--16",
  doi="10.3390/s23135945",
  issn="1424-8220",
  url="https://doi.org/10.3390/s23135945"
}

Documents

0.3-V Voltage-Mode Versatile First-Order Analog Filter Using Multiple-Input DDTAs.pdf