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Автор: Grafiati
Опубліковано: 9 вересня 2022

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Статті в журналах з теми "Microstrip-to-slotline transitions"

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U-yen, Kongpop, Edward J. Wollack, Stephen Horst, Terence Doiron, John Papapolymerou, and Joy Laskar. "Slotline Stepped Circular Rings for Low-Loss Microstrip-to-Slotline Transitions." IEEE Microwave and Wireless Components Letters 17, no. 2 (February 2007): 100–102. http://dx.doi.org/10.1109/lmwc.2006.890328.

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2

Wen-Hua Tu and Kai Chang. "Wide-band microstrip-to-coplanar stripline/slotline transitions." IEEE Transactions on Microwave Theory and Techniques 54, no. 3 (March 2006): 1084–89. http://dx.doi.org/10.1109/tmtt.2005.864127.

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3

Soltysiak, P., and J. Chramiec. "Design of broadband transitions from microstrip to slotline." Electronics Letters 30, no. 4 (February 17, 1994): 328–29. http://dx.doi.org/10.1049/el:19940200.

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4

Mohyuddin, Wahab, Gwan Hui Lee, Dong Sik Woo, Hyun Chul Choi, and Kang Wook Kim. "Compact Ultra-Wideband Phase Inverter Using Microstrip-CPW-Slotline Transitions." Electronics 10, no. 3 (January 22, 2021): 252. http://dx.doi.org/10.3390/electronics10030252.

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Анотація:
A planar ultra-wideband phase inverter, which consists of a series of transitions between microstrip, coplanar waveguide, and slotline, is designed and implemented. This compact-sized phase inverter can be used to generate wideband 180° phase differential signals, especially at high microwave frequencies up to millimeter-waves. The design is based on the impedance matching and smooth field transformation between the transitional stages. The fabricated transition has dimensions of 7.36 mm × 5.08 mm, and provides ultra-wide frequency bandwidth from 13 GHz to 38 GHz with low insertion loss of better than 2 dB within ±5° phase deviation and with return loss of greater than 10 dB.
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5

Guo, Xin, Lei Zhu, Jianpeng Wang, and Wen Wu. "Wideband Microstrip-to-Microstrip Vertical Transitions Via Multiresonant Modes in a Slotline Resonator." IEEE Transactions on Microwave Theory and Techniques 63, no. 6 (June 2015): 1902–9. http://dx.doi.org/10.1109/tmtt.2015.2422695.

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6

Abbosh, A. M. "Wideband Planar Crossover Using Two-Port and Four-Port Microstrip to Slotline Transitions." IEEE Microwave and Wireless Components Letters 22, no. 9 (September 2012): 465–67. http://dx.doi.org/10.1109/lmwc.2012.2209632.

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7

Xu, Sha, Haoshen Zhu, and Wenjie Feng. "A wide‐band balanced‐to‐unbalanced power divider using microstrip‐slotline‐SIW transitions." Microwave and Optical Technology Letters 64, no. 1 (November 19, 2021): 110–16. http://dx.doi.org/10.1002/mop.33099.

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8

Zhu, He, Zhiqun Cheng, and Y. Jay Guo. "Design of Wideband In-Phase and Out-of-Phase Power Dividers Using Microstrip-to-Slotline Transitions and Slotline Resonators." IEEE Transactions on Microwave Theory and Techniques 67, no. 4 (April 2019): 1412–24. http://dx.doi.org/10.1109/tmtt.2019.2897928.

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9

Yang, Liang, Cheng Lu, Jialin Wang, Shunli Li, Hongxin Zhao, and Xiaoxing Yin. "Postwall-Slotline Stepped Impedance Resonator and Its Application to Bandpass Filter with Improved Upper Stopband." Electronics 11, no. 6 (March 9, 2022): 851. http://dx.doi.org/10.3390/electronics11060851.

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Анотація:
In this letter, a postwall-slotline stepped impedance resonator (PWS-SIR) is proposed and applied to a bandpass filter (BPF) with a wide stopband. The proposed PWS-SIR-BPF comprises three U-shaped PWS-SIRs and two microstrip-slot feeding transitions. A PWS has a much lower impendence which a conventional slotline (CSL) cannot reach, so a much smaller impendence ratio of the PWS-SIR can be achieved. Consequently, a wider stopband simultaneously can be realized for the proposed filter. The designed PWS-SIR-BPF, as well as a CSL-BPF, have been fabricated, measured, and compared to verify the features of the PWS-SIR. The measured results are consistent with the simulation ones. The PWS-SIR is 7.3 mm (0.22λ0) long, 67% of 11.1 mm (0.34λ0) of the CSL resonator. The first spurious resonance frequency of the PWS-SIR-BPF is extended from 9.8 GHz (2f0) to 23 GHz (4.7f0).
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10

Ahmed, U. T., and A. M. Abbosh. "Three‐octave band in‐phase power divider using loosely coupled microstrip lines and microstrip to slotline transitions." Electronics Letters 51, no. 24 (November 2015): 2019–21. http://dx.doi.org/10.1049/el.2015.3119.

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Дисертації з теми "Microstrip-to-slotline transitions"

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Hijazi, Hadi. "Ultra-wideband antenna systems for in-band full-duplex applications." Thesis, Brest, École nationale supérieure de techniques avancées Bretagne, 2021. http://www.theses.fr/2021ENTA0011.

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La technologie in-band full-duplex a pour objectif d’augmenter l'efficacité spectrale des liaisons sans-fils en permettant à deux systèmes de communiquer simultanément dans la même bande de fréquence. Dans cette configuration in-band full-duplex, le principal défi consiste à annuler ou réduire les signaux d’auto-interférence, qui se couplent de l'émetteur vers son propre récepteur. Divers circuits d'annulation d'auto-interférence peuvent alors être mis en oeuvre : au niveau de l’antenne, de l'étage analogique et/ou numérique. Les techniques classiques d'annulation d'auto-interférence sont majoritairement dédiées aux systèmes à bande étroite et peu de travaux ont été menés pour étendre leurs performances à un fonctionnement en large-bande et encore moins en ultra-large-bande. Dans ce travail, nous nous focalisons sur l'étude des techniques d'annulation compatibles avec un fonctionnement ultra-large-bande et sur leurs mises en oeuvre. Les systèmes antennaires proposés sont basés sur une technique d'annulation en champ proche qui utilise quatre antennes et deux baluns. Les avantages des systèmes développés sont multiples, ils proposent tous une bande passante extrêmement large tout en maintenant un niveau d'annulation d'auto-interférence au moins supérieur à 55-60 dB sur cette bande avec des configurations permettant soit d'en augmenter la solidité mécanique, soit d'obtenir une double polarisation ou encore avec une alimentation innovante des antennes
In-band full-duplex technology aims to mitigate the scarcity of spectral resources by allowing two radios to communicate simultaneously in the same frequency band. The main challenge for full-duplex radios is to cancel the self-interference signals, which couple from the transmitter of one radio to its own receiver, by implementing various self-interference cancellation circuitry at the antenna, analog, and digital stages of the radio front-end. Conventional self-interference cancellation techniques were dedicated for narrowband systems and little work has been conducted to extend their performance for wideband operation. Thus, in this work, we focus on studying the wideband potential of the available cancellation techniques and implementing wideband full-duplex systems based on those techniques. The implemented systems are based on the near-field cancellation technique which uses four antennas and two baluns. The systems' merits vary from extremely wide bandwidth to higher mechanical solidity and dual-polarization, but they all can maintain a decent amount of cancellation
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2

Cihangir, Aykut. "Radiation Characteristic Analysis Of Tapered Slot Antennas." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612367/index.pdf.

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The aim of this study is to investigate the effects of changes in the physical parameters of tapered slot antennas (TSA) on their radiation characteristics and also to explore the possibility of reconfiguration in the radiation pattern of TSA by switching between two different types of tapering. There are mainly three physical parameters that affect the radiation pattern of TSAs. These are antenna length, aperture width and the ground extension. After designing a wideband microstrip line to slot line transition, the effect of antenna parameter variations on the beamwidth and sidelobe level of the antenna are investigated through the use of a commercially available electromagnetic simulation software HFSS by ANSOFT. The radiation characteristics of constant width slot antennas (CWSA) and linearly tapered slot antennas (LTSA) are compared. It is observed that CWSAs exhibit narrower beamwidth and higher sidelobe level whereas linearly tapered slot antennas (LTSA) have wider beamwidth with lower sidelobe level compared to each other. A novel switching architecture between CWSA and LTSA is proposed to obtain a reconfigurable antenna.
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3

Chen, Yie-Chang, and 陳奕昌. "Design of Broadband Microstrip-to-Slotline Transitions." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/87112491834721398923.

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Анотація:
碩士
國立臺灣大學
電機工程學系
86
This thesis proposes the equivalent lumped circuit model of the microstrip-to-slotline transition to get better prediction for transition characteristics. This transition structure consists of the microstrip dis- continuities and the slotline radial stub. Using the mixed potential integral equation and the moment method, we can get the input impedance values of the microstrip discontinuities and the slotline radial stub. Then, the input impedance values are incorporated into the equivalent circuit model. The ABCD matrix and S-parameters are derived to obtain the simulation results of single and back-to-back transitions. The good agreement between simulation results and experimental data justifies the design procedure and validates the present analysis approach.
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4

"Applications of Kinetic Inductance: Parametric Amplifier & Phase Shifter, 2DEG Coupled Co-planar Structures & Microstrip to Slotline Transition at RF Frequencies." Master's thesis, 2016. http://hdl.handle.net/2286/R.I.38648.

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abstract: Kinetic inductance springs from the inertia of charged mobile carriers in alternating electric fields and it is fundamentally different from the magnetic inductance which is only a geometry dependent property. The magnetic inductance is proportional to the volume occupied by the electric and magnetic fields and is often limited by the number of turns of the coil. Kinetic inductance on the other hand is inversely proportional to the density of electrons or holes that exert inertia, the unit mass of the charge carriers and the momentum relaxation time of these charge carriers, all of which can be varied merely by modifying the material properties. Highly sensitive and broadband signal amplifiers often broaden the field of study in astrophysics. Quantum-noise limited travelling wave kinetic inductance parametric amplifiers offer a noise figure of around 0.5 K ± 0.3 K as compared to 20 K in HEMT signal amplifiers and can be designed to operate to cover the entire W-band (75 GHz – 115 GHz).The research cumulating to this thesis involves applying and exploiting kinetic inductance properties in designing a W-band orthogonal mode transducer, quadratic gain phase shifter with a gain of ~49 dB over a meter of microstrip transmission line. The phase shifter will help in measuring the maximum amount of phase shift ∆ϕ_max (I) that can be obtained from half a meter transmission line which helps in predicting the gain of a travelling wave parametric amplifier. In another project, a microstrip to slot line transition is designed and optimized to operate at 150 GHz and 220 GHz frequencies, that is used as a part of horn antenna coupled microwave kinetic inductance detector proposed to operate from 138 GHz to 250 GHz. In the final project, kinetic inductance in a 2D electron gas (2DEG) is explored by design, simulation, fabrication and experimentation. A transmission line model of a 2DEG proposed by Burke (1999), is simulated and verified experimentally by fabricating a capacitvely coupled 2DEG mesa structure. Low temperature experiments were done at 77 K and 10 K with photo-doping the 2DEG. A circuit model of a 2DEG coupled co-planar waveguide model is also proposed and simulated.
Dissertation/Thesis
Masters Thesis Electrical Engineering 2016
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Книги з теми "Microstrip-to-slotline transitions"

1

Zinieris, M. Z. Microstrip to slotline transitions. Manchester: UMIST, 1996.

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Частини книг з теми "Microstrip-to-slotline transitions"

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Li, Qian, and Feng Xu. "A transition from microstrip to slotline to the PCB version of SINRD waveguide." In Electronics, Communications and Networks IV, 893–95. CRC Press, 2015. http://dx.doi.org/10.1201/b18592-162.

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Тези доповідей конференцій з теми "Microstrip-to-slotline transitions"

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Nguyen, Phong Thanh, Amin Abbosh, and Stuart Crozier. "Ultra-wideband balun using microstrip to slotline transitions." In 2012 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP). IEEE, 2012. http://dx.doi.org/10.1109/apcap.2012.6333269.

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2

Zhu, He, Jing-Yu Lin, and Y. Jay Guo. "Wideband Filtering Out-of-Phase Power Dividers Using Slotline Resonators and Microstrip-to-Slotline Transitions." In 2019 IEEE/MTT-S International Microwave Symposium - IMS 2019. IEEE, 2019. http://dx.doi.org/10.1109/mwsym.2019.8701056.

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3

Ahmed, U. T., and A. M. Abbosh. "Modified gysel power divider for hyperthermia using microstrip to slotline transitions." In 2016 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2016. http://dx.doi.org/10.1109/iceaa.2016.7731477.

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Wang, DaWei, Gang Zhang, Beini Yao, MingYue Pan, Zhuowei Zhang, Wanchun Tang, and Jiquan Yang. "Design of Out of phase Wideband Filtering Power Divider with Microstrip-to-Slotline Transitions and Slotline Resonators." In 2021 Computing, Communications and IoT Applications (ComComAp). IEEE, 2021. http://dx.doi.org/10.1109/comcomap53641.2021.9653010.

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5

Ahmed, U. Tania, and A. M. Abbosh. "Compact single-layer in-phase power divider employing microstrip to slotline transitions." In 2014 1st Australian Microwave Symposium (AMS). IEEE, 2014. http://dx.doi.org/10.1109/ausms.2014.7017342.

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Ahmed, U. T., and A. M. Abbosh. "Wideband out-of-phase power divider using coupled lines and microstrip to slotline transitions." In 2015 Asia-Pacific Microwave Conference (APMC). IEEE, 2015. http://dx.doi.org/10.1109/apmc.2015.7413231.

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7

Ahmed, U. T., and A. M. Abbosh. "In-phase power divider with three octaves band using microstrip to slotline transitions and loosely coupled microstrip lines." In 2015 Asia-Pacific Microwave Conference (APMC). IEEE, 2015. http://dx.doi.org/10.1109/apmc.2015.7413120.

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8

Yang, Li, Lei Zhu, Wai-Wa Choi, and Kam-Weng Tam. "Wideband vertical microstrip-to-microstrip transition designed with cross-coupled microstrip/slotline resonators." In 2015 Asia-Pacific Microwave Conference (APMC). IEEE, 2015. http://dx.doi.org/10.1109/apmc.2015.7413129.

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9

Yang, M. H., J. Xu, Q. Zhao, G. P. Li, and L. Peng. "Compact, broadband waveguide-to-microstrip transition using slotline antenna." In 2010 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2010. http://dx.doi.org/10.1109/icmmt.2010.5525052.

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Yang, Li, Lei Zhu, Wai-Wa Choi, and Kam-Weng Tam. "Novel Microstrip-To-Microstrip Vertical Transition Designed with Slotline Stepped-Impedance Resonator." In 2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2018. http://dx.doi.org/10.1109/icmmt.2018.8563611.

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