Design of flexible broadband power divider based on defect ground compensation

Hu, Jindi; Huang, Jin; Kang, Le; Zhou, Jinzhu; Zhang, Zhe; Peng, Wenhao

doi:10.1109/nemo49486.2020.9343574

Cited by 2 publications

(1 citation statement)

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“…For instance, [17] used a quarter-wavelength binomial three-section WPD to get an input return loss Fractional Bandwidth (FBW) of 110%. A three-section WPD with two hemicircles Defected Ground Structures (DGS) is discussed in [18]. Another three-section meandered WPD is introduced in [19], where four butterfly combs DGSs are installed on each arm of the WPD to achieve an FBW of 133%.…”

Section: Introductionmentioning

confidence: 99%

A Miniaturized Wideband Wilkinson Power Divider for IoT sub-GHz Applications

Osman¹,

El-Gendy²,

El‐Hennawy³

et al. 2022

PIER M

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This paper presents a single stage 2-way Wilkinson Power Divider (WPD) suitable for Internet of Things (IoT) low frequency applications in the band from 200 MHz to 1 GHz. It is realized using a meandered line, and an open shunt stub matching network is added to get a compact structure. Moreover, a Vertical Periodic Defected Ground Structure (VPDGS) is added below each arm in order to improve the performance at the center frequency without adding extra length to the divider. The size of the proposed power divider is 30 × 15.3 mm 2 (0.082λ g × 0.041λ g ). The fabricated power divider achieves a fractional bandwidth of 107%, an input return loss of better than 10 dB, an output return loss of 20 dB, an isolation of better than 10 dB, and maximum exceeded insertion loss of 0.9 dB. The proposed compact power divider is implemented on Rogers RT/Duroid 5880 with thickness 0.254 mm in order to bend on any conformal surface.

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Section: Introductionmentioning

confidence: 99%