A Compact Electronically Controllable Biquad Filter Synthesizing from Parallel Passive RLC Configuration. - Khanidtha Thinthaworn; Winai Jaikla; Peerawut Suwanjan; Suchin Adhan; Nattapol Srichaiya; Adisorn Kwawsibsame; Fabian Khateb (SICE, 2020)