Design of Multi-Way LC-Ladder Dividers with Multi-Band Operation

Yosuke OKADA; Tadashi KAWAI; Akira ENOKIHARA

doi:10.1587/transele.E100.C.893

Design of Multi-Way LC-Ladder Dividers with Multi-Band Operation

Yosuke OKADA, Tadashi KAWAI, Akira ENOKIHARA

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In this paper, we propose a design method of compact multi-way Wilkinson power divider with a multiband operation for size reduction and band broadening. The proposed divider consists of multisection LC-ladder circuits in the division arms and isolation circuits between the output ports. To validate design procedures, we fabricated a trial divider at VHF band. The circuit layout of the trial divider was decided by using an electromagnetic simulator (Sonnet EM). Because the proposed divider consists of lumped element circuits, we can realize great miniaturization of a circuit area compared to that of the conventional Wilkinson power divider. The circuit size of the trial divider is 35 mm square. The measurement results for the trial divider by using a vector network analyzer indicates a relative bandwidth of about 60% under -17 dB reflection, flat power division within ±0.1 dB, and very low phase imbalances under 1.0 degree over the wide frequency range.

Publication: IEICE TRANSACTIONS on Electronics Vol.E100-C No.10 pp.893-900

Publication Date: 2017/10/01

Publicized

Online ISSN: 1745-1353

DOI: 10.1587/transele.E100.C.893

Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)

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Authors

Yosuke OKADA
  University of Hyogo
Tadashi KAWAI
  University of Hyogo
Akira ENOKIHARA
  University of Hyogo

Keyword

power divider, LC-ladder circuit, multi-band, multi-division

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Yosuke OKADA, Tadashi KAWAI, Akira ENOKIHARA, "Design of Multi-Way LC-Ladder Dividers with Multi-Band Operation" in IEICE TRANSACTIONS on Electronics, vol. E100-C, no. 10, pp. 893-900, October 2017, doi: 10.1587/transele.E100.C.893.
Abstract: In this paper, we propose a design method of compact multi-way Wilkinson power divider with a multiband operation for size reduction and band broadening. The proposed divider consists of multisection LC-ladder circuits in the division arms and isolation circuits between the output ports. To validate design procedures, we fabricated a trial divider at VHF band. The circuit layout of the trial divider was decided by using an electromagnetic simulator (Sonnet EM). Because the proposed divider consists of lumped element circuits, we can realize great miniaturization of a circuit area compared to that of the conventional Wilkinson power divider. The circuit size of the trial divider is 35 mm square. The measurement results for the trial divider by using a vector network analyzer indicates a relative bandwidth of about 60% under -17 dB reflection, flat power division within ±0.1 dB, and very low phase imbalances under 1.0 degree over the wide frequency range.
URL: https://globals.ieice.org/en_transactions/electronics/10.1587/transele.E100.C.893/_p

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@ARTICLE{e100-c_10_893,
author={Yosuke OKADA, Tadashi KAWAI, Akira ENOKIHARA, },
journal={IEICE TRANSACTIONS on Electronics},
title={Design of Multi-Way LC-Ladder Dividers with Multi-Band Operation},
year={2017},
volume={E100-C},
number={10},
pages={893-900},
abstract={In this paper, we propose a design method of compact multi-way Wilkinson power divider with a multiband operation for size reduction and band broadening. The proposed divider consists of multisection LC-ladder circuits in the division arms and isolation circuits between the output ports. To validate design procedures, we fabricated a trial divider at VHF band. The circuit layout of the trial divider was decided by using an electromagnetic simulator (Sonnet EM). Because the proposed divider consists of lumped element circuits, we can realize great miniaturization of a circuit area compared to that of the conventional Wilkinson power divider. The circuit size of the trial divider is 35 mm square. The measurement results for the trial divider by using a vector network analyzer indicates a relative bandwidth of about 60% under -17 dB reflection, flat power division within ±0.1 dB, and very low phase imbalances under 1.0 degree over the wide frequency range.},
keywords={},
doi={10.1587/transele.E100.C.893},
ISSN={1745-1353},
month={October},}

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TY - JOUR
TI - Design of Multi-Way LC-Ladder Dividers with Multi-Band Operation
T2 - IEICE TRANSACTIONS on Electronics
SP - 893
EP - 900
AU - Yosuke OKADA
AU - Tadashi KAWAI
AU - Akira ENOKIHARA
PY - 2017
DO - 10.1587/transele.E100.C.893
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E100-C
IS - 10
JA - IEICE TRANSACTIONS on Electronics
Y1 - October 2017
AB - In this paper, we propose a design method of compact multi-way Wilkinson power divider with a multiband operation for size reduction and band broadening. The proposed divider consists of multisection LC-ladder circuits in the division arms and isolation circuits between the output ports. To validate design procedures, we fabricated a trial divider at VHF band. The circuit layout of the trial divider was decided by using an electromagnetic simulator (Sonnet EM). Because the proposed divider consists of lumped element circuits, we can realize great miniaturization of a circuit area compared to that of the conventional Wilkinson power divider. The circuit size of the trial divider is 35 mm square. The measurement results for the trial divider by using a vector network analyzer indicates a relative bandwidth of about 60% under -17 dB reflection, flat power division within ±0.1 dB, and very low phase imbalances under 1.0 degree over the wide frequency range.
ER -