A Resistor-less Current-mode Quadrature Sinusoidal Oscillator Employing Single CCCDTA and Grounded Capacitors

被引：0
|
作者：
Keawon, Rapeepan [2 ]
Jaikla, Winai [1 ]
机构：
[1] Suan Sunandha Rajabhat Univ, Dept Elect Technol, Fac Ind Technol, Bangkok 10300, Thailand
[2] Silpakorn Univ, Dept Elect Engn, Fac Engn & Ind Technol, Amphur Maung 73000, Nakhon Pathom, Thailand
来源：
PRZEGLAD ELEKTROTECHNICZNY | 2011年 / 87卷 / 08期
关键词：
quadrature oscillator; current-mode; CCCDTA;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this study, a current-mode quadrature sinusoidal oscillator using single current controlled current differencing transconductance amplifier (CCCDTA) and 2 grounded capacitors is proposed. The proposed oscillator can provide 2 sinusoidal output currents with 90 degrees phase difference. The oscillation condition and oscillation frequency can be controlled electronically by adjusting the bias current of the CCCDTA. The oscillator configuration exhibits high output impedance which makes easy to drive loads without using any buffering devices. The use of only grounded capacitors is ideal for integration. The circuit performances are depicted through PSpice simulations, they show good agreement to theoretical assumptions.
引用
收藏
页码：138 / 141
页数：4
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