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- Title
Reconfigurable First-order Multifunction Active Filter Based-on DDAs and Their Applications.
- Authors
Konglumphun, Saravut; Jantakun, Adirek
- Abstract
The purpose of this article is to describe the design and implementation of a reconfigurable voltage-mode first-order multifunction active filter based on a differential difference amplifier (DDA). The proposed multifunction filter is designed and constructed with two commercially available DDA integrated circuits: AD830, one resistor, and one grounded capacitor. By applying the input signals, the output responses are fully realized first-order functions such as lowpass, high-pass, inverting all-pass, and non-inverting all-pass responses. Because the input and output ports have high and low impedances, the proposed filter is an excellent choice for voltage-mode operation. Furthermore, the resistance and capacitance values of the proposed filter can be easily adjusted to control the pole frequency. Furthermore, as an example of an application, the construction of a sinusoidal oscillator based on the proposed first-order filter is demonstrated. The proposed circuit's performance is validated using the PSPICE program and through experimentation. The Monte Carlo Analysis is used to conduct a statistical analysis of the effect of tolerance errors on pole frequency and phase responses. The results of simulations and experiments clearly supported the theory, making it an excellent foundation for teaching and learning about electronics and electrical practice.
- Subjects
MONTE Carlo method; DIFFERENTIAL amplifiers; INTEGRATED circuits; ELECTRIC oscillators; ELECTRONIC design automation
- Publication
IAENG International Journal of Computer Science, 2022, Vol 49, Issue 4, p1139
- ISSN
1819-656X
- Publication type
Article