Synthesis of High-Input Impedance Electronically Tunable Voltage-Mode Second-Order Low-Pass, Band-Pass, and High-Pass Filters Based on LT1228 Integrated Circuits. - Hua-Pin Chen; Shih-Jun Chen; Chih-Yang Chang (Sensors, 2022)

Two New and Improved Electronically Adjustable Voltage-Mode Multifunction Biquadratic Filters With Independent Control of Band-Pass, High-Pass, and Low-Pass/Regular Notch Filter Gains. - Hua-Pin Chen; San-Fu Wang; Chih-Yang Chang; Shih-Jun Chen; Yu-Hsi Chen (IEEE Access, 2023)