利用cdta的电控双二次滤波器和正交振荡器

IF 1.3 Q3 ENGINEERING, MULTIDISCIPLINARY
Saksit Summart, Supawadee Sirithai, Bongkan Vaisopha, A. Jantakun
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引用次数: 0

摘要

本文提出了一种基于电流差分跨导放大器(CDTA)的电流模式双二次滤波器和正交振荡电路。所提出的电路不需要改变电路拓扑。除了低通滤波器、高通滤波器、带通滤波器和正弦正交信号外,所提出的电路具有可以独立于质量因子控制的极点频率,而振荡频率可以非交互控制。具有高输出的电路阻抗可以在不使用电流缓冲器的情况下直接驱动负载。此外,接地电容器可以在不使用外部电阻器的情况下工作。这一资格是集成电路(IC)未来发展的理想选择。通过采用90nm CMOS参数的PSPICE仿真和商用IC的实验,结果与所提出电路的理论分析一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Electronically Controlled Biquadratic Filter and Quadrature Oscillator Using CDTAs
This article presents a current-mode biquadratic filter and quadrature oscillator circuit based on current differencing transconductance amplifiers (CDTAs). The proposed circuit does not require changing the circuit topology. In addition to the low-pass filter, high-pass filter, band-pass filter, and sinusoidal quadrature signal, the proposed circuit has a pole frequency that can be controlled independently from the quality factor, while the oscillation frequency can be controlled non-interactively. The circuit impedance with high output can directly drive the load without using a current buffer. Furthermore, grounded capacitors can function without the use of external resistors. This qualification is ideal for the future development of integrated circuits (ICs). After the PSPICE simulation with 90 nm CMOS parameters and the experiments by commercial ICs, the results are consistent with the theoretical analysis of the proposed circuit.
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来源期刊
CiteScore
2.80
自引率
0.00%
发文量
18
审稿时长
12 weeks
期刊介绍: The IJETI journal focus on the field of engineering and technology Innovation. And it publishes original papers including but not limited to the following fields: Automation Engineering Civil Engineering Control Engineering Electric Engineering Electronic Engineering Green Technology Information Engineering Mechanical Engineering Material Engineering Mechatronics and Robotics Engineering Nanotechnology Optic Engineering Sport Science and Technology Innovation Management Other Engineering and Technology Related Topics.
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