High input impedance mixed-mode biquad filter with orthogonal tune of natural frequency and quality factor - Kanokrat Chumwangwapee; Winai Jaikla; Wisuit Sunthonkanokpong; Wipobh Jaikhang; Suwat Maneewan; Bancha Sreewirote (My University, 2014)
Keywords: Digital biquad filter; Operational transconductance amplifier; Transconductance; All-pass filter; Output impedance; Analog and Mixed-Signal Circuit Design