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A Broadband Asymmetric Tapered-Line Power Divider with Several Strip Resistors
Yukihiro TAHARA Hideyuki OH-HASHI Moriyasu MIYAZAKI Seiichi SAITO
IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications)
Category: Passive Circuits
power divider, tapered line, strip resistor,
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A novel asymmetric tapered-line power divider is presented. It has several strip resistors which are formed like a ladder between the tapered-line conductors to achieve a good output isolation. The equivalent circuits are derived with the even/odd-mode analysis. These equivalent circuits are employed to design the asymmetric power divider. The fabricated asymmetric power divider with 1:2 power dividing ratio shows broadband performances in return loss and isolation which are greater than 19 dB over a 3:1 bandwidth in the C-Ku bands.