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Novel voltage/current-mode quadrature oscillator using current differencing transconductance amplifier

机译:使用电流差跨导放大器的新型电压/电流模式正交振荡器

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This letter proposes a new realization of voltage/current-mode (CM) quadrature oscillator (QO) using Current Differencing Transconductance Amplifier (CDTA) as the active element. The proposed circuit employs canonic number of components, namely two CDTAs, one resistor and two grounded capacitors. The oscillator is capable of providing two explicit quadrature current outputs and two quadrature voltage outputs. Moreover, the circuit enjoys the advantage of independent control of condition of oscillation (CO) and frequency of oscillation (FO). The non-ideal analysis and sensitivity study of the circuit has been carried out and the circuit exhibits a good sensitivity performance. B2SPICE simulation results are included that validate the working of the circuit.
机译:这封信提出了一种使用电流差跨导放大器(CDTA)作为有源元件的电压/电流模式(CM)正交振荡器(QO)的新实现。拟议的电路采用规范的组件,即两个CDTA,一个电阻和两个接地电容器。该振荡器能够提供两个显式正交电流输出和两个正交电压输出。此外,该电路还具有独立控制振荡条件(CO)和振荡频率(FO)的优势。对该电路进行了非理想的分析和灵敏度研究,结果表明该电路具有良好的灵敏度性能。包含B2SPICE仿真结果,可以验证电路的工作。

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