Patent number: 9306256
Filed: Mar 2, 2012
Date of Patent: Apr 5, 2016
Patent Publication Number: 20140077894
Application Number: 14/005,068
A phase shifting device based on Liquid Crystals (LCs) is disclosed is disclosed in this invention. The phase shifting device comprises a 3-dB coupler,inductors realized either in the distributed or lumped form and capacitors realized on a LCs substrate. A circuit example of the phase shifter is shown in Fig. 1.