A Balanced-to-Unbalanced Microstrip Power Divider With Filtering Function

Xu, Kai; Shi, Jin; Lin, Li; Chen, Jianxin

doi:10.1109/tmtt.2015.2445051

Cited by 86 publications

(54 citation statements)

References 24 publications

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“…Various types of BTU PDs are reported in the literature such as [13][14][15][16]. BTU PDs for equal power division are reported in [13][14][15], and that for arbitrary power division is reported in [16].…”

Section: Introductionmentioning

confidence: 99%

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Unbalanced-to-Balanced Power Divider With Arbitrary Power Division

Yadav¹,

Bhattacharjee²

2017

PIER C

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Abstract-In this paper, Gysel type Unbalanced-to-Balanced (UTB) Power Divider (PD) with arbitrary power division is proposed. UTB PD is a five-port device, and a standard scattering matrix for a five-port PD with arbitrary power division is derived. Design equations are obtained analytically. Using design equations, a UTB PD is designed at 2 GHz for power division ratio of 1 : 2, and simulation is carried out using HFSS. A prototype is fabricated, and measurement is performed to verify the simulation results of PD. Measured results are in good agreement with the simulated ones. The proposed PD shows in-phase characteristic within ±5 • . Measurement results show that isolation between two output ports is greater than 20 dB. Greater than 20 dB common-mode suppression from input port to output balanced ports is achieved. Differential-mode power is divided in power division ratio of 1 : 2 from unbalanced port to balanced ports. Measured fractional bandwidth of the proposed PD is 21%.

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Section: Introductionmentioning

confidence: 99%

“…BTU PDs for equal power division are reported in [13][14][15], and that for arbitrary power division is reported in [16]. UTB equal PDs are reported in [17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Unbalanced-to-Balanced Power Divider With Arbitrary Power Division

Yadav¹,

Bhattacharjee²

2017

PIER C

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“…A BTSE power divider is designed with double-side structure [10], which brings inconvenience to practical application. [11] proposed a BTSE power divider with filtering function, however, the operating bandwidth of it is less than 7%.…”

Section: Introductionmentioning

confidence: 99%

A Balanced-to-Single-Ended Wilkinson Power Divider

Yang

Liu

Miao

et al. 2017

J. Microw. Optoelectron. Electromagn. Appl.

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Abstract-A balanced-to-single-ended (BTSE) Wilkinson power divider of planar microstrip structure is proposed in this paper. It has a balanced input and two single-ended outputs. Cascade of a balun and a conventional power divider can be replaced by this proposed structure. Based on the theory of mixed-mode S parameters and the admittance matrix method, the critical parameters are determined. The four-port network is analyzed by simplifying it to two-port network with other ports matched at the central frequency. Then the key parameters are derived and the impact of a freely selected variable on the bandwidth is also discussed. An example of 2.4GHz BTSE power divider is designed. The simulated and measured results show the effectiveness of the method: differential-mode transmissions are better than -3.25dB, common-mode transmissions are lower than -28.6dB, commonmode return loss is -0.10dB, differential-mode return loss and isolation is lower than -23.7dB. While the operating bandwidth is 20%.

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“…For example, two λ/4n open stubs, located at the center of the branches, are adopted to design a Wilkinson PD in [8] to realize the nth harmonic suppression. Similarly, four open stubs are used in [9] to realize a filtering balanced-to-unbalanced (BTU) PD. Furthermore, one central loading stub and two side loading stubs are adopted in [10] to realize a Wilkinson PD with filtering function and good isolation performance.…”

Section: Introductionmentioning

confidence: 99%

Out-of-Phase Power Divider With Harmonic Suppression

Bei¹,

Chen²,

Zhao³

et al. 2017

PIER C

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Abstract-In this paper, a three-layer circuit structure based on double-sided parallel-strip lines (DSPSLs) is proposed to design one out-of-phase power divider (PD) with equal power division and harmonic suppression. This PD, which is composed of four DSPSLs, one middle conductor, and two grounded resistors, features transmission suppression at two specified frequencies and all the even-order harmonics. Closed-form design equations are derived based on the traditional even-and odd-mode methods, and the circuit scattering parameters are also given. Finally, a practical PD operating at 0.92 GHz is designed and fabricated. The measured results show that this PD has equal power division with out of phase, harmonic suppression, good ports matching, and high outputs isolation.

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A Balanced-to-Unbalanced Microstrip Power Divider With Filtering Function

Cited by 86 publications

References 24 publications

Unbalanced-to-Balanced Power Divider With Arbitrary Power Division

Unbalanced-to-Balanced Power Divider With Arbitrary Power Division

A Balanced-to-Single-Ended Wilkinson Power Divider

Out-of-Phase Power Divider With Harmonic Suppression

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