New current-mode quadrature sinusoidal oscillator using single DVCCTA as active element

• Autorzy: Uttaphut P.

Identyfikatory

DOI

10.15199/48.2016.09.56

Warianty tytułu

PL

Nowy generator sinusoidalny wykorzystujący jako aktywny element układ DVCCTA

• Języki publikacji: EN

Abstrakty

EN

This paper presents the design of a current-mode quadrature sinusoidal oscillator. It can generate two current-mode sinusoidal outputs with 90 degree phase difference called as quadrature signal. The proposed sinusoidal oscillator employs single differential voltage current conveyer transconductance amplifier (DVCCTA), two grounded capacitors and three resistors. The tuning of frequency of oscillation (FO) and condition of oscillation (CO) can be done independently. Also the frequency of oscillation can be electronically tuned which is suitable for modern control system using microcontroller or microprocessor. The impedance at output node is high impedance which can directly drive an external load or connect to another circuit without the use of current buffers. A number of simulation results based on PSPICE program using 0.25 μm TSMC CMOS parameters are included to exhibit performance, workability and effectiveness of the proposed sinusoidal oscillator.

PL

W artykule opisano projekt prądowego generatora sinusoidalnego. Może on generować sygnały z przesunięciem 90. Generator wykorzystuje różnicowy przetwornik napięcie prąd ze wzmacniaczem transkonduktancyjnym – DVCCTA., dwa uziemione kondensatory I trzy rezystory. Generator może być strojony elektronicznie.

Słowa kluczowe

EN

qudrature sinusoidal oscillator; current-mode; DVCCTA

PL

generator sinusoidalny; układ DVCCTA

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2016
• Tom: R. 92, nr 9
• Strony: 229--232
• Opis fizyczny: Bibliogr. 24., rys.

Twórcy

autor

Uttaphut P.

• Suan Sunandha Rajabhat University, Dusit, Bangkok, 10300, Thailand

Bibliografia

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Uwagi

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