In one embodiment, a non-dispersive phase shifter includes a composite right- and left-handed (CRLH) circuit that can be toggled between a first phase delay state and a second phase delay state with a substantially constant phase shift over a range of frequencies.
Mumcu, Gokhan; Weller, Thomas McCrea; and Nassar, Ibrahim Turki, "Non-dispersive microwave phase shifters" (2015). USF Patents. 56.
University of South Florida