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A novel wideband balanced-to-unbalanced filtering power dividers based on coupled lines is proposed in this paper. The multi-functional power dividers can replace various cascaded single devices to decrease integration mismatching loss and circuit size. The wideband response can be easily realized by using the coupled lines structures. In addition, a resistor is introduced in the middle of two single-ended...
A novel balanced-to-unbalanced filtering power divider using ring resonators is proposed. Due to the symmetry of the circuit model, even/odd-mode analysis method is applied to deduce the design equations at the operating frequency. The ring resonators can bring two transmission zeros in each side of the passband for differential-mode, which can improve frequency selectivity and out-of-band suppression...
Three novel wideband balanced-to-unbalanced filtering power dividers based on coupled lines are proposed in this paper. Multifunctional power dividers can replace various cascaded single devices to decrease integration mismatching loss and circuit size. The wideband response can be easily realized by the coupled lines structures. To further improve the differential-mode passband selectivity, open/shorted...
In this work, a novel UWB differential ultra-wideband (UWB) power-distribution network is presented. By properly converting four-port balanced filter to a three-port balun filter, a differential power-distribution network integrated with two balun filters can be realized. To demonstrate the idea, a prototype centered at 4 GHz for lower band of UWB (3.1 – 4.85 GHz) is designed and fabricated. The selective...
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