Broadband 4-way power divider with 45° phase differences between output ports

This paper presents broadband 4-way power divider with 45° phase differences between output ports. The divider is developed by combining a broadband 45° power divider and 90° power dividers, and is implemented on a 4-layer FR4 substrates, by using inner-layer crossovers, instead of conventional bond...

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Bibliographic Details
Published in:Journal of the Franklin Institute 2017-12, Vol.354 (18), p.8772-8781
Main Authors: Hayashi, Hitoshi, Nakayama, Youichi, Mizusawa, Junichi
Format: Article
Language:English
Subjects:
Broadband
Crossovers
Electronics
Frequencies
Input output
Ports
Power dividers
Substrates
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Summary:This paper presents broadband 4-way power divider with 45° phase differences between output ports. The divider is developed by combining a broadband 45° power divider and 90° power dividers, and is implemented on a 4-layer FR4 substrates, by using inner-layer crossovers, instead of conventional bonded crossovers. Over the frequency range from 400 to 700MHz, the fabricated power divider exhibits power splits of−6.8 ± 0.9dB and return losses of greater than 14dB Furthermore, isolation between the output ports is greater than 16dB, and the phase differences between output ports are within 5° of the desired values (90°, −45°, and −135°).
ISSN:0016-0032
1879-2693
0016-0032
DOI:10.1016/j.jfranklin.2017.05.033