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

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60162694%3AG43__%2F24%3A00560249" target="_blank" >RIV/60162694:G43__/24:00560249 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21460/23:00367284 RIV/00216305:26220/23:PU148733
Result on the web
<a href="https://doi.org/10.3390/s23135945" target="_blank" >https://doi.org/10.3390/s23135945</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/s23135945" target="_blank" >10.3390/s23135945</a>

Result language
angličtina
Original language name
0.3-V Voltage-Mode Versatile First-Order Analog Filter Using Multiple-Input DDTAs
Original language description
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.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20201 - Electrical and electronic engineering

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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