Sotner R, Jerabek J, Dostal T, Vrba K. Z-copy Voltage Controlled Current Follower Differential Input Transconductance Amplifier in Controllable Biquadratic Band-Pass Filter. ELEKTRON ELEKTROTECH [Internet]. 2016Aug.9 [cited 2024Nov.21];22(4):32 - 36. Available from: https://eejournal.ktu.lt/index.php/elt/article/view/15911