Gysel Power Divider with Fixed Characteristic Impedance

Moulay, Ahmed; Djerafi, Tarek

doi:10.1109/ims30576.2020.9223881

Cited by 5 publications

(4 citation statements)

References 12 publications

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“…It is due to the distributed capacitance between an isolated resistor and the ground. On the other hand, the Gysel power divider has been widely researched in recent years due to its high-power handling capability, compact size, and low loss [63], [64], [65], [66], [67], [68], [69], [70], [71], [72], [73], [74], [75], [76]. A standard Gysel power divider (GPD) consists of quarter-wave transmission lines with three different impedance values in order to achieve the required power division and isolation.…”

Section: F Gysel Power Dividersmentioning

confidence: 99%

“…Some research has been done in order to realize dual-band Gysel power dividers. For instance, utilizing composite right/left-handed (CRLH) transmission lines (TLs) [66], incorporating coupled lines [70], using open/short-ended stubs [71], [72], [73], using fixed characteristic impedance [74], and with different electrical lengths [75].…”

Section: F Gysel Power Dividersmentioning

confidence: 99%

“…At the microwave frequency range, incorporating microstrip lines (MSL's) with different widths can cause higher order modes and unwanted radiations at the level of discontinuities of MSL's. In [74], the authors have used transmission lines with fixed characteristic impedances to avoid fabrication limitations and parasitic capacitances. Keeping microstrip line widths fixed, the lengths of MSL's have been changed in order to realize a simple and compact Gysel power divider.…”

Section: F Gysel Power Dividersmentioning

confidence: 99%

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The Art of Substrate-Integrated-Waveguide Power Dividers

et al. 2023

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Substrate-integrated-waveguide (SIW) technology can eliminate the limitations associated with conventional rectangular waveguides, i.e., bulky structures and production complexity at higher frequencies. Moreover, SIW technology replaces microstrip structures eliminating the drawback of excessive radiation leakage at higher frequencies. SIW power dividers are key elements in SIW antenna array synthesis. A SIW power divider's design procedures are more complicated than conventional microstrip power dividers. However, no comprehensive review with design guidelines of substrate-integrated-waveguide (SIW) power dividers has been reported. In this paper, different types of SIW power dividers based on their configurations, functionality, and operating principles are analyzed and some recommendations are made for selection purposes. A comprehensive design guideline for SIW power dividers is given in this paper through a comparative study of T-and Y-type SIW junctions. These guidelines are based on key parameters, including insertion loss, isolation, co-phase bandwidth, return loss bandwidth, and phase balancing. This study provides valuable information for selecting and designing the best possible configuration of SIW power dividers for specific applications in microwave and millimeter-wave frequency ranges. A case study of a Ku-band SIW power divider is performed for a Ku-band soil moisture radiometer SIW antenna array.INDEX TERMS Insertion loss, isolation, millimeter-wave, power divider, phase balancing, RMS phase error, return-loss bandwidth, substrate integrated waveguide (SIW).

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Section: F Gysel Power Dividersmentioning

confidence: 99%

Section: F Gysel Power Dividersmentioning

confidence: 99%

Section: F Gysel Power Dividersmentioning

confidence: 99%

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The Art of Substrate-Integrated-Waveguide Power Dividers

et al. 2023

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“…GPDs can handle more power by using grounded resistors, which transfer heat to the ground. A number of works have been published on Gysel power dividers [20][21][22][23], but these designs have a low ratio of frequency bandwidth. Figure 1 shows the structure of conventional Wilkinson and Gysel Power dividers.…”

Section: Introductionmentioning

confidence: 99%

A Novel Planar Power Divider/Combiner for Wideband High-Power Applications

Tadayon

Ardakani

Karimian

et al. 2022

Eng

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This manuscript presents a novel wideband power divider with high power handling capability. The power handling capacity of the power divider is increased through the use of grounded 50 ohm loads. The full circuit analysis of a single section of the proposed structure is presented utilizing even and odd modes and ABCD matrices. The final designed sections are cascaded and extended to achieve a high bandwidth response for the target of X-band. The structure was designed and optimized with the method of moments based on ADS software and simulated in HFSS for 3D full-wave analysis. A prototype module was fabricated and measured for experimental validation. The simulation results were confirmed by through measurements for the frequency band of 7–12 GHz (more than 52% fractional bandwidth). A divider such as the proposed one has a significantly higher power handling capacity than Wilkinson, as well as a wider frequency bandwidth than Gysel power dividers. As a wideband high-power power divider, the proposed device is ideal for high-data rate radar or satellite applications.

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