Filters of some sort are essential for extracting proper signals for most the electronic circuits. It is, therefore, in the interest of anyone involved in electronic circuit design to have the ability to develop filter circuits capable of meeting a given set of specifications. A novel approach has been made to realize floating inductor. The circuit implementation is based on the use of operational transconductance amplifier (OTAs) as an active element along with a grounded capacitor. The floating inductor requires 3-OTAs. The resulting inductance can be electronically adjusted precisely by...