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Abstract-This paper deals with operational transconductance amplifiers (OTAs) -based active voltagemode biquad filter with electronically reconfigurable transfer functions. Due to utilization of the very favourable active devices, this design is ready for immediate CMOS design. Presented filtering solution contains four active elements where each of them is directly used for reconnection-less change of transfer function or modification including electronic control of quality factor and tuning.doi:10.5755/j01.eee.21.3.10205 fatcat:ntle6lttg5hvjoz6dlsuavm2iu