Single Commercially Available IC-Based Electronically Controllable Voltage-Mode First-Order Multifunction Filter with Complete Standard Functions and Low Output Impedance. - Winai Jaikla; Unchittha Buakhong; Surapong Siripongdee; Fabian Khateb; Roman Sotner; Phamorn Silapan; Peerawut Suwanjan; Amornchai Chaichana (Sensors, 2021)