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In 2014 a new power divider was proposed using 2 short lines and two quarter-wavelength (⋋/4) impedance transformers at its output ports. However, the two transformers cost large area in the circuit. To reduce the circuit size, this paper presents two new power dividers for compact purpose. The first divider utilized two T-shaped impedance transformers to replace the two ⋋/4 impedance transformers...
This paper presents a new equal-split power divider with out-of-phase signals between two output ports. The divider comprises two transmission line sections, one resistor, one capacitor, one short stub, one shorted-coupled-line (SCL) transformer, and one quarter-wavelength (λ/4) transformer. The SCL transformer plays three crucial roles. The first and second roles are to improve selectivity of |S21...
This paper involved developing two (Type I and Type II) equal-split Wilkinson power dividers (WPDs). The Type I divider can use two short uniform-impedance transmission lines, one resistor, one capacitor, and two quarter-wavelength (\(\lambda/4 \) ) transformers in its circuit. Compared with the conventional equal-split WPD, the proposed Type I divider can relax the two \(\lambda/4 \) transformers...
This study proposes a compact Wilkinson power divider that is composed of two-section dual transmission lines in each transmission path to achieve a dual-band response. This structure is also suitable for fabrication because of its design concept and satisfactory circuit size, compared to traditional structures. The extra lumped elements were used to achieve an optimal frequency response.
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