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A frequency reconfigurable Wilkinson power divider is proposed. Operating frequency of the divider can be continuousiy reconfigured within a wide band. Simple π-shaped circuits with varactors are applied to tune the operating frequency, which is changed by tuning varactors' voltages. Theoretical analysis show that the π-structures can provide proper impedance and phase shifts within a wide band. Simulation...
A frequency reconfigurable Unequal Wilkinson power divider is proposed. The divider's operating frequency can be reconfigured within a wide band. Reconfiguration is achieved because of two simple π-shaped circuits with varactors, which are inserted into the two impedance transformers of a conventional unequal Wilkinson power divider. Equivalent impedance of the two transformers are nearly unchanged...
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