A new class of broadband phase correlators

Phase correlators are one of the most basic networks that can be constructed from basic microwave components like power dividers or hybrid couplers. This work shows the requirements that these devices should fulfil in order to ensure that the correlator circuit works over a large bandwidth. It is also shown how one of the most commonly used phase correlator circuits performs under that considerations. We also introduce a new phase correlator structure consisting of one three stage power divider and three double stage hybrid couplers. We show that the bandwidth of this structure is about six times larger than the bandwidth of the commonly used one.