A Novel Planar 180° Out-of-Phase Power Divider for UWB Application

Li, Q.; Shi, Xiaowei; Wei, Feng; Gong, Jian‐Qiang

doi:10.1163/156939311793898288

Cited by 15 publications

(31 citation statements)

References 12 publications

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“…As all know, Wilkinson power divider is the most classical power divider, whose relative bandwidth, usually, is less than 20%. With the study on slotline coupling structure [1][2][3][4][5], lots of wideband and ultra-wideband(UWB) power dividers based on slotline coupling structure have been proposed [6][7][8][9][10][11]. In [6], an UWB power divider formed by a T-junction microstrip-to-slotline coupling structure was proposed.…”

Section: Introductionmentioning

confidence: 99%

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A Novel Power Divider Integrated With One Bandpass Filter

Xiao¹,

Peng²,

Yang³

2014

PIER C

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Abstract-A novel compact wideband inphase multilayer power divider based on slotline-to-microstrip coupling structure is presented in this paper. To improve the isolation between output ports, this power divider breaks the conventional half-wavelength slotline configuration and introduces a lumped resistor. A wideband bandpass filter integrated with the power divider is designed to allow the power divider to reject the undesired signals located in adjacent frequency channels. This filter consists of two Eshape units. In order to improve its performance at low frequency band, a lumped capacitor is bridged between the two E-shape units. As an example, a wideband power divider combining with a bandpass filter is designed and fabricated. The experimental results show that the proposed power divider has a low insertion loss, high isolation, good return losses at all ports, good amplitude and phase balance, as well as flat group delay over the wide frequency band from 3.5 GHz to 10 GHz. In addition, the width of upper stopband reaches up to 3.8 GHz (12.9 GHz-16.7 GHz) corresponding to attenuation more than 20 dB.

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Section: Introductionmentioning

confidence: 99%

“…The power dividers designed in [6][7][8][9][10][11] all employed conventional half-wavelength slotline configuration, which makes the introduction of isolation resistors difficult. Because of the inherent property, a three-port network cannot obtain good impedance matching at all ports simultaneously.…”

Section: Introductionmentioning

confidence: 99%

A Novel Power Divider Integrated With One Bandpass Filter

Xiao¹,

Peng²,

Yang³

2014

PIER C

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“…As we know, the classical Wilkinson power divider [1] and its improved structures have been presented in the previous papers [2][3][4][5][6][7]. On the other hand, the other forms of power dividers with different design methodologies have been proposed [8][9][10][11][12]. The input and output ports of these power dividers are coplanar.…”

Section: Introductionmentioning

confidence: 99%

An Improved Uwb Non-Coplanar Power Divider

Peng¹,

Yang²,

Liu³

et al. 2013

PIER

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“…So wideband power dividers are needed. Some UWB power dividers with different design methodologies have been proposed [6][7][8][9][10][11][12][13][14][15]. A UWB power divider by installing a pair of stepped-impedance opencircuited stubs and parallel-coupled lines was presented in [6].…”

Section: Introductionmentioning

confidence: 99%

“…In [7][8][9], improved Wilkinson UWB power dividers were proposed. Based on a T-junction in output ports combined with a slotline, a planar UWB out-of-phase power divider was presented in [10,11]. A UWB power divider consisting of three T-shaped microstrip lines and an Hshaped slot etched was presented in [12].…”

Section: Introductionmentioning

confidence: 99%

Design of an Ultra-Wideband Power Divider via the Coarse-Grained Parallel Micro-Genetic Algorithm

Chang¹,

Liao²,

Chen³

et al. 2012

PIER

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Abstract-An ultra-wideband (UWB) power divider is designed in this paper. The UWB performance of this power divider is obtained by using a tapered microstrip line that consists of exponential and elliptic sections. The coarse grained parallel micro-genetic algorithm (PMGA) and CST Microwave Studio are combined to achieve an automated parallel design process. The method is applied to optimize the UWB power divider. The optimized power divider is fabricated and measured. The measured results show relatively low insertion loss, good return loss, and high isolation between the output ports across the whole UWB (3.1-10.6 GHz).

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A Novel Planar 180° Out-of-Phase Power Divider for UWB Application

Cited by 15 publications

References 12 publications

A Novel Power Divider Integrated With One Bandpass Filter

A Novel Power Divider Integrated With One Bandpass Filter

An Improved Uwb Non-Coplanar Power Divider

Design of an Ultra-Wideband Power Divider via the Coarse-Grained Parallel Micro-Genetic Algorithm

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