The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Kami mencadangkan pengganding garis cawangan 180 darjah yang terdiri daripada dua jenis pandu gelombang yang dimuatkan iris. Pengganding yang dicadangkan terdiri daripada dua talian penghantaran utama dan talian cawangan dengan panjang elektrik yang berbeza. Berdasarkan panjang elektrik yang optimum, perbezaan fasa keluaran 180 darjah boleh dicapai tanpa pengalih fasa tambahan. Dua talian utama dengan panjang elektrik yang berbeza direalisasikan oleh pandu gelombang bermuatan iris kapasitif dan induktif. Saiz pengganding yang dicadangkan adalah hampir separuh daripada pengganding talian cawangan 180 darjah konvensional dengan pengalih fasa tambahan. Oleh itu, pengganding yang dicadangkan mempunyai kelebihan berbanding dengan yang konvensional. Kami mereka bentuk pengganding yang dicadangkan dalam jalur K untuk sistem komunikasi satelit. Keputusan pengukuran menunjukkan pantulan -20 dB, pengasingan -20 dB, tindak balas gandingan -3.1+0.1 dB/-0.1 dB, dan perbezaan fasa 0+0.1 deg/-1.4 deg dan -180+0.5 deg/- 2.3 darjah pada lebar jalur 8% dalam jalur K.
Hidenori YUKAWA
Mitsubishi Electric Corp.
Yu USHIJIMA
Mitsubishi Electric Corp.
Naofumi YONEDA
Mitsubishi Electric Corp.
Moriyasu MIYAZAKI
Mitsubishi Electric Corp.
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Salinan
Hidenori YUKAWA, Yu USHIJIMA, Naofumi YONEDA, Moriyasu MIYAZAKI, "180-Degree Branch Line Coupler Composed of Two Types of Iris-Loaded Waveguides" in IEICE TRANSACTIONS on Electronics,
vol. E104-C, no. 2, pp. 85-92, February 2021, doi: 10.1587/transele.2020ECP5006.
Abstract: We propose a 180-degree branch line coupler composed of two types of iris-loaded waveguides. The proposed coupler consists of two main transmission lines and branch lines with different electrical lengths. Based on optimal electrical lengths, a 180-degree output phase difference can be achieved without additional phase shifters. The two main lines with different electrical lengths are realized by capacitive and inductive iris-loaded waveguides. The size of the proposed coupler is nearly half that of the conventional 180-degree branch line coupler with additional phase shifters. Thus, the proposed coupler is of advantage with respect to the conventional one. We designed a proposed coupler in the K-band for satellite communication systems. The measurement results demonstrate a reflection of -20 dB, isolation of -20 dB, coupling response of -3.1+0.1 dB/-0.1 dB, and phase differences of 0+0.1 deg/-1.4 deg and -180+0.5 deg/-2.3 deg at a bandwidth of 8% in the K-band.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.2020ECP5006/_p
Salinan
@ARTICLE{e104-c_2_85,
author={Hidenori YUKAWA, Yu USHIJIMA, Naofumi YONEDA, Moriyasu MIYAZAKI, },
journal={IEICE TRANSACTIONS on Electronics},
title={180-Degree Branch Line Coupler Composed of Two Types of Iris-Loaded Waveguides},
year={2021},
volume={E104-C},
number={2},
pages={85-92},
abstract={We propose a 180-degree branch line coupler composed of two types of iris-loaded waveguides. The proposed coupler consists of two main transmission lines and branch lines with different electrical lengths. Based on optimal electrical lengths, a 180-degree output phase difference can be achieved without additional phase shifters. The two main lines with different electrical lengths are realized by capacitive and inductive iris-loaded waveguides. The size of the proposed coupler is nearly half that of the conventional 180-degree branch line coupler with additional phase shifters. Thus, the proposed coupler is of advantage with respect to the conventional one. We designed a proposed coupler in the K-band for satellite communication systems. The measurement results demonstrate a reflection of -20 dB, isolation of -20 dB, coupling response of -3.1+0.1 dB/-0.1 dB, and phase differences of 0+0.1 deg/-1.4 deg and -180+0.5 deg/-2.3 deg at a bandwidth of 8% in the K-band.},
keywords={},
doi={10.1587/transele.2020ECP5006},
ISSN={1745-1353},
month={February},}
Salinan
TY - JOUR
TI - 180-Degree Branch Line Coupler Composed of Two Types of Iris-Loaded Waveguides
T2 - IEICE TRANSACTIONS on Electronics
SP - 85
EP - 92
AU - Hidenori YUKAWA
AU - Yu USHIJIMA
AU - Naofumi YONEDA
AU - Moriyasu MIYAZAKI
PY - 2021
DO - 10.1587/transele.2020ECP5006
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E104-C
IS - 2
JA - IEICE TRANSACTIONS on Electronics
Y1 - February 2021
AB - We propose a 180-degree branch line coupler composed of two types of iris-loaded waveguides. The proposed coupler consists of two main transmission lines and branch lines with different electrical lengths. Based on optimal electrical lengths, a 180-degree output phase difference can be achieved without additional phase shifters. The two main lines with different electrical lengths are realized by capacitive and inductive iris-loaded waveguides. The size of the proposed coupler is nearly half that of the conventional 180-degree branch line coupler with additional phase shifters. Thus, the proposed coupler is of advantage with respect to the conventional one. We designed a proposed coupler in the K-band for satellite communication systems. The measurement results demonstrate a reflection of -20 dB, isolation of -20 dB, coupling response of -3.1+0.1 dB/-0.1 dB, and phase differences of 0+0.1 deg/-1.4 deg and -180+0.5 deg/-2.3 deg at a bandwidth of 8% in the K-band.
ER -