CDBA-based Multiphase Sinusoidal Oscillator Using Grounded Capacitors

Author

Pisitchalermpong, Sumaytee ; Tangsrirat, Worapong ; Surakampontorn, Wanlop

Author_Institution

Dept. of Control Eng., King Mongkut´´s Inst. of Technol., Bangkok

fYear

2006

Firstpage

5762

Lastpage

5765

Abstract

In this paper, the circuit realization of a multiphase sinusoidal oscillator (MSO) employing current differencing buffered amplifiers (CDBAs) as active components is proposed. The proposed MSO circuit, which is composed of n cascaded CDBA-based lossy integrators and a CDBA-based inverter, can generate n sinusoidal output voltages with phase difference of 180deg/n. The oscillation frequency can be wide range adjusted, approximately from 200 Hz to 2 MHz, by tuning the value of passive elements. Simulation results obtained using the AD844 ICs are given to confirm the theoretical analysis

Keywords

capacitors; differential amplifiers; integrating circuits; invertors; oscillators; AD844 IC; CDBA; CDBA-based inverter; cascaded CDBA-based lossy integrators; current differencing buffered amplifiers; grounded capacitors; multiphase sinusoidal oscillator; passive elements tuning; Bandwidth; CMOS technology; Capacitors; Circuit simulation; Frequency; Impedance; Inverters; Oscillators; Signal processing; Voltage; Current Differencing Buffered Amplifier (CDBA); Multiphase Sinusoidal Oscillator (MSO);

fLanguage

English

Publisher

ieee

Conference_Titel

SICE-ICASE, 2006. International Joint Conference

Conference_Location

Busan

Print_ISBN

89-950038-4-7

Electronic_ISBN

89-950038-5-5

Type

conf

DOI

10.1109/SICE.2006.314650

Filename

4108607