New broadband tunable monolithic microwave floating active inductor

A new broadband MMIC floating active inductor is proposed for general purpose use in microwave circuits. This floating active inductor operates in a wide microwave frequency range and its size is independent of the inductance value. The new circuit has the following advantages: (i) it has a much higher inductance value with much smaller loss in microwave frequency range; (ii) it facilitates independent control of inductance values through an external control voltage.