Cascadable First-Order and Second-Order Inverse Filters Based on Second-Generation Voltage Conveyors
This study introduces four novel configurations of first-order and second-order multifunction inverse filters in both voltage-mode (VM) and current-mode (CM) using second-generation voltage conveyors (VCIIs). The first-order VM and CM inverse filters utilize only three passive components together wi...
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MDPI AG
2025-02-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/15/4/1916 |
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| author | Natchanai Roongmuanpha Nutcha Likhitkitwoerakul Tattaya Pukkalanun Mohammad Faseehuddin Worapong Tangsrirat |
| author_facet | Natchanai Roongmuanpha Nutcha Likhitkitwoerakul Tattaya Pukkalanun Mohammad Faseehuddin Worapong Tangsrirat |
| author_sort | Natchanai Roongmuanpha |
| collection | DOAJ |
| description | This study introduces four novel configurations of first-order and second-order multifunction inverse filters in both voltage-mode (VM) and current-mode (CM) using second-generation voltage conveyors (VCIIs). The first-order VM and CM inverse filters utilize only three passive components together with one VCII for VM and two VCIIs for CM realizations, which can provide lowpass and highpass inverse filter responses. The latter, second-order VM and CM multifunction inverse filters, can be constructed using the corresponding first-order inverse filters as their core circuits. These filters offer all the basic inverse filter functions, including lowpass, bandpass, and highpass inverse responses with all gains obtained from the same design. All the inverse filter realizations are cascadable. No component matching requirements are necessary for all filter responses. The non-ideal effects of the VCII on the performance of the proposed inverse filters are thoroughly examined. To prove the feasibility of the designs, the PSPICE program performed several simulations, utilizing model parameters of 0.18 µm CMOS technology. Some testing experiments were conducted using the commercially available IC-type AD844s for evaluating the practical performance of the designed inverse filters. |
| format | Article |
| id | doaj-art-722b5ce2203146fca621312bebff76bc |
| institution | DOAJ |
| issn | 2076-3417 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj-art-722b5ce2203146fca621312bebff76bc2025-08-20T03:12:10ZengMDPI AGApplied Sciences2076-34172025-02-01154191610.3390/app15041916Cascadable First-Order and Second-Order Inverse Filters Based on Second-Generation Voltage ConveyorsNatchanai Roongmuanpha0Nutcha Likhitkitwoerakul1Tattaya Pukkalanun2Mohammad Faseehuddin3Worapong Tangsrirat4School of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, ThailandMinistry of Natural Resources and Environment, Bangkok 10400, ThailandSchool of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, ThailandDepartment of Electronics and Communication Engineering, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, IndiaSchool of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, ThailandThis study introduces four novel configurations of first-order and second-order multifunction inverse filters in both voltage-mode (VM) and current-mode (CM) using second-generation voltage conveyors (VCIIs). The first-order VM and CM inverse filters utilize only three passive components together with one VCII for VM and two VCIIs for CM realizations, which can provide lowpass and highpass inverse filter responses. The latter, second-order VM and CM multifunction inverse filters, can be constructed using the corresponding first-order inverse filters as their core circuits. These filters offer all the basic inverse filter functions, including lowpass, bandpass, and highpass inverse responses with all gains obtained from the same design. All the inverse filter realizations are cascadable. No component matching requirements are necessary for all filter responses. The non-ideal effects of the VCII on the performance of the proposed inverse filters are thoroughly examined. To prove the feasibility of the designs, the PSPICE program performed several simulations, utilizing model parameters of 0.18 µm CMOS technology. Some testing experiments were conducted using the commercially available IC-type AD844s for evaluating the practical performance of the designed inverse filters.https://www.mdpi.com/2076-3417/15/4/1916second-generation voltage conveyor (VCII)inverse filterfirst-order filtersecond-order filtervoltage-mode circuitcurrent-mode circuit |
| spellingShingle | Natchanai Roongmuanpha Nutcha Likhitkitwoerakul Tattaya Pukkalanun Mohammad Faseehuddin Worapong Tangsrirat Cascadable First-Order and Second-Order Inverse Filters Based on Second-Generation Voltage Conveyors Applied Sciences second-generation voltage conveyor (VCII) inverse filter first-order filter second-order filter voltage-mode circuit current-mode circuit |
| title | Cascadable First-Order and Second-Order Inverse Filters Based on Second-Generation Voltage Conveyors |
| title_full | Cascadable First-Order and Second-Order Inverse Filters Based on Second-Generation Voltage Conveyors |
| title_fullStr | Cascadable First-Order and Second-Order Inverse Filters Based on Second-Generation Voltage Conveyors |
| title_full_unstemmed | Cascadable First-Order and Second-Order Inverse Filters Based on Second-Generation Voltage Conveyors |
| title_short | Cascadable First-Order and Second-Order Inverse Filters Based on Second-Generation Voltage Conveyors |
| title_sort | cascadable first order and second order inverse filters based on second generation voltage conveyors |
| topic | second-generation voltage conveyor (VCII) inverse filter first-order filter second-order filter voltage-mode circuit current-mode circuit |
| url | https://www.mdpi.com/2076-3417/15/4/1916 |
| work_keys_str_mv | AT natchanairoongmuanpha cascadablefirstorderandsecondorderinversefiltersbasedonsecondgenerationvoltageconveyors AT nutchalikhitkitwoerakul cascadablefirstorderandsecondorderinversefiltersbasedonsecondgenerationvoltageconveyors AT tattayapukkalanun cascadablefirstorderandsecondorderinversefiltersbasedonsecondgenerationvoltageconveyors AT mohammadfaseehuddin cascadablefirstorderandsecondorderinversefiltersbasedonsecondgenerationvoltageconveyors AT worapongtangsrirat cascadablefirstorderandsecondorderinversefiltersbasedonsecondgenerationvoltageconveyors |