Moonmuang, Pitchayanin
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Preferred name
Moonmuang, Pitchayanin
Alternative Name
Moonmuang, P.
Main Affiliation
Email
pitchayanin.mo@kmitl.ac.th
11 results
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Item type:Publication, Grounded Series/Parallel RL/RC Immittance Simulations with a Single VDTA(2022-01-01); ; This paper discusses actively simulated RL and RC immittance simulator circuits. Only one voltage difference transconductance amplifier (VDTA) and one grounded capacitor are required for each realized simulator. The proposed simulator concept can realize all the possible series and parallel RL/RC impedance functions, with the simulated equivalent elements being tunable both electronically and separately through the VDTA's transconductance gains. The impacts of VDTA non-idealities on realized simulator performance are examined. The numerical simulations using PSPICE program, as well as experimental measurements utilizing commercially available IC CA3080s, are provided to prove the practicability of the circuits. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Grounded Series/Parallel RC Impedance Simulators with a Single VDBA(2023-01-01); ; ;Fukuhara, MasaakiThis article presents grounded RC series/parallel impedance simulator circuits employing a single voltage differencing buffered amplifier (VDBA) as an active element. The proposed RC series impedance simulator consists of one capacitor and one resistor, while the proposed grounded RC parallel type requires only a single capacitor as a passive element. The simulated equivalent resistance and capacitance values can be tuned electronically through the transconductance gain of VDBA device which can be adjusted by means of the external biasing current. The performance validation of the proposed circuits including the resonant circuit application is proved by simulation results via PSPICE software based on TSMC 0.25-μ m CMOS technology. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Grounded Parallel RL, RC, and LC Immittance Simulators Using VDBAs and Passive Elements(2022-01-01) ;Mongkolwai, Pratya; ; This communication suggests a grounded parallel RL, RC, and LC immittance simulator. In this circuit, two voltage differencing buffered amplifiers (VDBAs) with two passive components are proposed. The VDBA device's transconductance gain can be used to electronically adjust the realized equivalent resistance (Req), inductance (Leq), and capacitance (Ceq), which is conditional on the choice of the passive element. The effect of the VDBA's non-idealities on the realized simulator is studied in this research. The second order voltage mode bandpass filter is realized using the proposed active LC parallel simulator, which is simulated using the PSPICE simulation program to ensure that it operates as desired. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Simple current-controlled VDTA-R schmitt trigger circuit(2019-07-01); ;Unhavanich, SumaleeA simple current-controlled Schmitt trigger circuit employing single voltage differencing transconductance amplifier (VDTA) and only two grounded resistors is presented. The proposed Schmitt trigger circuit offers independent electronic adjustability of its threshold voltage levels and output voltage amplitudes by the help of corresponding VDTA bias currents. In addition, both clockwise and counter-clockwise hystereses are also achievable. To justify the theoretical predictions, the verification of the proposed Schmitt trigger circuit is performed by PSPICE simulation software using TSMC 0.25μm CMOS technology. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Voltage differencing buffered amplifier-based electronically tunable grounded capacitance multiplier(2019-03-16); ; A minimal realization of electronically adjustable capacitance multiplication topology with voltage differencing buffered amplifier (VDBA) is proposed. The proposed capacitance multiplier circuit is designed by means of two VDBAs and one floating capacitor. A capacitance multiplication factor is adjusted electronically through the ratio of two transconductances. The effect of the non-ideal gains of the VDBA is also taken into account and carried out. As an analog application example, the proposed capacitance multiplier circuit is utilized in the design of an electronically tunable first-order low-pass filter. PSPICE simulations with TSMC 0.25-µm CMOS technology are included to support the theoretical analysis. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Voltage Differencing Gain Amplifier-Based Shadow Filter: A Comparison Study(2020-07-01); ; This study determines the voltage-mode shadow filter realization based on voltage differencing gain amplifier (VDGA) in comparison with a classical second-order filter. The realized shadow filter uses three VDGAs and only two grounded capacitors, and can simultaneously realize second-order lowpass and bandpass filter responses. The natural angular frequency (ωA) and the quality factor (QA) can be tuned by means of the VDGAs' transconductance gains. The performance comparison between the realized shadow filter and the classical second-order filter is demonstrated through simulation results with 0.25μm CMOS technology. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Electronically tunable resistorless capacitance multiplier employing VDBAs(2017-11-24); This work focuses on a circuit configuration for the simulation of the resistorless tunable grounded capacitance multiplier using the recently introduced active building block called voltage differencing buffered amplifier (VDBA). The proposed capacitance multiplier circuit consists of only two VDBAs, and one floating capacitor, without requiring critical matching conditions. The realized equivalent capacitance value can be tuned electronically through the ratio of the transconductance gain of the VDBA. The effect of the VDBA non-idealities on the realized equivalent capacitance has also been investigated in detail. As an application, an illustrative RLC low-pass filter using the proposed tunable capacitance simulator has been provided. In order to demonstrate the behavior of the circuit and confirm the theory, PSPICE simulation results with TSMC 0.25-µm CMOS technology are included. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, VDBA-based electronically tunable capacitance multiplier with a grounded capacitor(2018-07-02); ; This work presents an electronically tunable grounded capacitance multiplier circuit based on the voltage differencing buffered amplifier (VDBA), a recently introduced active building block. The proposed capacitor circuit requires only two VDBAs, one floating resistor, and one grounded capacitor. The circuit can be tuned electronically via the VDBA transconductance ratio. The effect of the VDBA non-idealities on the simulated capacitance value has also been discussed in detail. The usability of the proposed tunable capacitance simulator has been verified by realizing the fourth-order low-pass filter application with a Butterworth approximation. In order to verify the theory, the behavior of the circuits is evaluated with PSPICE simulation program using TSMC 0.25-µm CMOS process parameters. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, On The Realization of Simulated Lossy Inductors Using Voltage Differencing Buffered AmplifiersThis paper reports four topologies, all simulating floating/grounded lossy inductors, using voltage differencing buffered amplifiers (VDBAs) as active elements. The simulated equivalent resistance and inductance values of the simulators can be adjusted electronically through the VDBA transconductance parameter. Non-ideal gain outcomes of the VDBA on the realized inductor circuits are finalized. The critical active and passive sensitivities are obtained to be low. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, VDBA-Based series RC impedance simulator using single grounded capacitor(2018-08-13); ; This work presents an electronically tunable series RC impedance simulator circuit by means of the recently introduced active element, called voltage differencing buffered amplifier (VDBA). The proposed circuit employs only two VDBAs and one grounded capacitor, which is canonic in the number of components. The simulated equivalent element values can be tuned electronically through the VDBA transconductance gain. The circuit also does not require any component-matching conditions. The non-ideal gain effects of the VDBA on the simulated capacitance value are also evaluated and discussed. PSPICE simulations, which are in a close agreement with the analytical calculations, are included.
