Voltage-Mode Multifunction Biquad Filter and Its Application as Fully-Uncoupled Quadrature Oscillator Based on Current-Feedback Operational Amplifiers. - San-Fu Wang; Hua-Pin Chen; Yi-Tsen Ku; Ming-Xiu Zhong (Sensors, 2020)

Analytical Synthesis of High-Pass, Band-Pass and Low-Pass Biquadratic Filters and its Quadrature Oscillator Application Using Current-Feedback Operational Amplifiers. - San-Fu Wang; Hua-Pin Chen; Yi-Tsen Ku; Ming-Xiu Zhong (IEEE Access, 2021)