基于CFOA的二阶低频灵敏正弦振荡器

2022 2nd International Conference on Artificial Intelligence and Signal Processing (AISP) Pub Date : 2022-02-12 DOI:10.1109/AISP53593.2022.9760529

Naga Chandrika Gandikota, Gurumurthy Komanapalli

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引用次数: 0

摘要

本文提出了一种以电流反馈运算放大器(CFOA)为有源元件的二阶正弦振荡器。它使用五个电阻和两个电容。它在振荡频率和通过电阻的振荡条件之间表现出完全独立的调谐。进行了灵敏度分析，观察到它对各种电路参数表现出较低的FO灵敏度。通过PSPICE仿真验证了所提电路的有效性，仿真结果与理论计算结果接近。观测到的总谐波失真(THD)小于2.5%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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CFOA Based Second Order Low Frequency Sensitive Sinusoidal Oscillator

In this paper, a second order sinusoidal oscillator (SO) has been presented using Current Feedback Operational Amplifiers (CFOA) as active element. It uses five resistors and two capacitors. It exhibits complete independent tuning between frequency of oscillation and condition of oscillation through resistors. The sensitivity analysis has been carried out and it is observed that it exhibits low FO sensitivity to various circuit parameters. PSPICE simulations are used to check the efficacy of the proposed circuit and the simulation results are in close proximity with theoretical calculations. The observed total harmonic distortion (THD) is lower than 2.5%.

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2022 2nd International Conference on Artificial Intelligence and Signal Processing (AISP)

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