Patent number: 9306256
Type: Grant
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.
![Fig. 1 Phase shifter realized using 3-dB coupler, inductors and capacitors realized using LCs; (a) circuit representation and (b) physical realization](https://drbulja.com/wp-content/uploads/2023/02/fig-3-1.jpg)
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