Roongmuanpha, Natchanai
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Preferred name
Roongmuanpha, Natchanai
Main Affiliation
Email
natchanai.ro@kmitl.ac.th
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Item type:Publication, Floating capacitance multiplier realization based on commercially available integrated circuits(2022-06-01); This article is an attempt to present a tunable floating capacitance multiplier using commercially available integrated circuits, namely LT1228. The proposed design utilizes three LT1228s as active electronic components and only one capacitor as a passive component. The multiplication factor of the capacitance multiplier is electronically tunable via adjusting the external supply currents of the LT1228s. Besides, a careful analysis of the parasitic element effects is also included. To verify the practical features of the proposed floating capacitance multiplier circuit, several simulations using PSPICE program tool and extensive laboratory measurements were performed. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, On the Realization of Grounded RL/RC Parallel Type Simulator(2021-04-01); An actively grounded RL/RC parallel type impedance simulator is presented. It contains two differential voltage to current converters (DVTCs) as an active element and three passive elements, and can simulate RL or RC parallel-type impedance by the proper selection of the external passive elements. The effect of the DVTC non-idealities on the realized simulator is also analyzed mathematically. The usability of the proposed circuit has been shown on the realizations of active second-order voltage mode highpass-and lowpass-filter. PSPICE simulation using TSMC 0.25-m CMOS technology is performed to demonstrate the behavior of the proposed simulator circuit and its filter applications. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, DVTC-Based Series RL/RC Impedance Simulator(2021-03-10); In this study, a grounded impedance simulator employing differential voltage to current converter (DVTC) as an active element is presented. The proposed circuit consists of two DVTCs along with three passive elements. By properly selecting the three passive elements, the series RL and RC impedance can be simulated. The simulated equivalent resistance, inductance and capacitance values can be accessed by selecting the values of the passive elements. To confirm the workability of the proposed simulator, simulation results in comparison with the theoretical finding have been presented. Second-order current mode lowpass-and highpass-filters are performed as application examples to prove the performance of the proposed simulator.