Miniaturized wilkinson power divider with complex isolation network for physical isolation

Chang, Tso-Jung; Huang, Tiao-Yuan; Hsu, Heng‐Tung

doi:10.23919/eumc.2017.8230873

Cited by 5 publications

(4 citation statements)

References 8 publications

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“…5(c), has size 4.0 × 3.0 cm 2 . The design value at centerband of the isolation impedance Z c = (Z o 45 ) * = (105.01 − j 52.97) is implemented by means of a series RC network, see (15). The ideal values have been approximated using SMD components with nominal value R ser = 105 and C ser = 1.1 pF.…”

Section: Design Fabrication and Characterisation Of A Transmissiomentioning

confidence: 99%

“…with additional lumped or distributed reactive elements [8], [13], [15], by exploiting reactive loading of the transmission lines [10], [12] or by adopting coupled inductors [16]. At the same time, led by increasingly demanding communication standards, research efforts have also addressed the need of broadband [17]- [21], dual-band [22]- [31] and multi-band power dividers [32]- [34].…”

Section: Introductionmentioning

confidence: 99%

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Generalized Symmetrical 3 dB Power Dividers With Complex Termination Impedances

2020

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The paper introduces a class of two-way, 3 dB narrowband power dividers (combiners), closed on complex termination impedances, that generalizes a number of topologies presented during past years as extensions of the traditional Wilkinson design. Adopting even-odd mode analysis, we demonstrate that, under very broad assumptions, any axially symmetric reactive 3-port can be designed to operate as a 3 dB two-way power divider, by connecting a properly designed isolation impedance across two symmetrically but arbitrarily located additional ports. We show that this isolation element can be evaluated by a single input impedance or admittance CAD simulation or measurement; moreover, an explicit expression is given for the isolation impedance. The theory is shown to lead to the same design as for already presented generalizations of the Wilkinson divider; further validation is provided through both simulated and experimental case studies, and an application of the theory to the design of broadband or multi-band couplers is suggested. INDEX TERMS Power dividers, Wilkinson, hybrid. ANNA PIACIBELLO (Member, IEEE) was born in Chivasso, Italy, in 1991. She received the bachelor's and master's degrees in electronic engineering and the Ph.D. degree (cum laude) in electrical, electronics and communication engineering from the

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Section: Design Fabrication and Characterisation Of A Transmissiomentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Generalized Symmetrical 3 dB Power Dividers With Complex Termination Impedances

2020

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“…The same is true with many other reported works. In [12] and [13], slot lines and defected ground structures are used, in [14]- [17], additional isolation networks are introduced, and in [18]- [21], complex termination impedances are employed, in order to broaden the bandwidth of WPDs. However, all fail to reach good performance, especially good isolation at both the lower megahertz and upper gigahertz of frequencies.…”

Section: Introductionmentioning

confidence: 99%

A novel 10MHz-4GHz Wilkinson power divider using lumped compensation elements

Zhang

Liu

et al. 2022

IEICE Electron. Express

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Future cable television (CATV) and satellite-television receiver systems require the development of wideband power dividers (PDs) covering a few megahertz to a few gigahertz. Conventional PDs designed using either distributed circuits or lumped elements cannot accomplish this purpose. In this paper, a novel ultrawideband wideband PD is developed with a combined design of both the distributed transmission line Wilkinson power divider (WPD) and the lumped compensation elements. The WPD is designed at 2.2 GHz with a small configuration, while the loaded chip resistors and capacitors compensate its performance well at frequencies down to megahertz. The configuration and design method of the proposed divider is described, and a microstrip WPD is fabricated and measured. The simulated and measured responses of the WPD agree well over 10 MHz ~ 4.0 GHz, and both satisfy well the design specifications. To our knowledge, this is the first report of a WPD that covers an ultrawide frequency band from a few megahertz to a few gigahertz.

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“…But they led to a limited bandwidth and the DGS on the background plane of the substrate made the design and fabrication of the circuit more difficult. In [26] and [27], capacitive loadings were used which can reduce the conventional 4 ⁄ transmission lines to between 5 ⁄ and 12 ⁄ . But the design shown a poor in-band response with an obvious bandwidth reduction at high frequencies due to the capacitive loading and the significantly increased characteristic impedance of the transmission line.…”

Section: Introductionmentioning

confidence: 99%

A novel compact wideband microstrip Wilkinson power divider

Zhang

Liu

et al. 2021

IEICE Electron. Express

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In this paper, a novel compact wideband Wilkinson Power Divider (WPD) is proposed and is analyzed by using the even-and oddmode theory. The even-mode equivalent circuit of the WPD is designed to have both a wide stopband and a wide passband. The passband is then used as the wide operating frequency band of the WPD with low return loss. The even-mode circuit parameters are determined by using the derived formulas and an optimization algorithm. The remaining circuit parameters of the WPD are obtained from the analysis of the odd-mode circuit of the WPD. Finally, a microstrip WPD is designed with a center frequency of 3.0 GHz and an operating frequency band covering 1.5 ~ 4.5 GHz (FBW=100%). The microstrip WPD is compact, occupying an area of only 0.20 × 0.13 , and its measured performance satisfies the design specifications quite well.

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Miniaturized wilkinson power divider with complex isolation network for physical isolation

Cited by 5 publications

References 8 publications

Generalized Symmetrical 3 dB Power Dividers With Complex Termination Impedances

Generalized Symmetrical 3 dB Power Dividers With Complex Termination Impedances

A novel 10MHz-4GHz Wilkinson power divider using lumped compensation elements

A novel compact wideband microstrip Wilkinson power divider

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