Electronically tunable SIMO Mixed-mode universal filter using VDTAs

• Autorzy: Chamnanphrai V. , Sa-ngiamvibool W.

Identyfikatory

DOI

10.15199/48.2017.03.48

Warianty tytułu

PL

Elektronicznie strojony uniwersalny filtr SIMO wykorzystujący układy VDTA

• Języki publikacji: EN

Abstrakty

EN

This research paper presents a single-input multi-output (SIMO) mixed-mode universal filter based on voltage differencing transconductance amplifier (VDTA). The proposed filter can be used in both voltage and trans-admittance modes. In the voltage mode, it can serve as highpass filter (HPF), bandpass filter (BPF) and lowpass filter (LPF). In the trans-admittance mode, the proposed filter can provide HPF, BPF and LPF. Furthermore, by interconnection of significant output currents, the proposed filter can be able to work as bandreject filter (BRF) and allpass filter (APF). The proposed filter consists of 3 VDTAs and 2 grounded capacitors. This configuration allows the proposed filter to be suitable for fabricating into IC. Without effect of pole frequency, the quality factor can be electronically tuned the by adjusting DC bias current of the VDTA. The PSPICE simulation was utilized to confirm the performance of the proposed filter. The results of the simulation agree well in accordance with theoretical analysis.

PL

W artykule zaprezentowano uniwersalny filtr bazujący na voltage differencing tranconductance amplifier VDTA. Filtr może pracować we wszystkich trybach, jak dolnoprzepustowy, górnoprzepustowy, środkowo przepustowy i środkowo-zaporowy. Filtr składa się z 3 układów VDTA I dwóch uziemionycvh pojemności.

Słowa kluczowe

EN

SIMO filter; Mixed-mode filter; VDTA; grounded capacitor

PL

filtr SIMO; układ VDTA

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2017
• Tom: R. 93, nr 3
• Strony: 207--211
• Opis fizyczny: Bibliogr. 24 poz., wykr.

Twórcy

autor

Chamnanphrai V.

• Department of Electrical Engineering ,Mahasarakham University, 41/20 Kantharawichai district, Maha Sarakham, 44150, Thailand

autor

Sa-ngiamvibool W.

• Department of Electrical Engineering ,Mahasarakham University, 41/20 Kantharawichai district, Maha Sarakham, 44150, Thailand

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).