A 920MHz Lumped-Element Wilkinson Power Divider Utilizing LC-Ladder Circuits

Kawai, Tadashi; Nagano, Kensuke; Enokihara, Akira

doi:10.1587/transele.e101.c.801

Cited by 11 publications

(2 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This method [36,37] can be used for passive design structures, such as power dividers, in higher frequency ranges. Additionally, in some designs [38][39][40][41][42][43], lumped components (L and C) have been used to create compact dividers with harmonics suppression that then cause a limited frequency response. The work presented in [40] discusses the design and implementation of a five-way lumped-element WPD to investigate multifrequency polarimetric SAR applications.…”

Section: Introductionmentioning

confidence: 99%

“…the use of flexible and miniaturized lumped elements in the design of unequal Wilkinson power dividers is studied in [41], utilizing closed-form design methods for frequency characteristics' simulation. A lumped-element WPD using LC-ladder circuits composed of a capacitor and an inductor, alongside a series LR/CR circuit, is designed in [42]; this theoretically shows that broadband WPDs can be accomplished. Additionally, in [43], a compact structure for a dual-band WPD is proposed; it consists of a single line, two coupled lines, and four lumped elements.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A Fast Surrogate Model-Based Algorithm Using Multilayer Perceptron Neural Networks for Microwave Circuit Design

et al. 2023

View full text Add to dashboard Cite

This paper introduces a novel algorithm for designing a low-pass filter (LPF) and a microstrip Wilkinson power divider (WPD) using a neural network surrogate model. The proposed algorithm is applicable to various microwave devices, enhancing their performance and frequency response. Desirable output parameters can be achieved for the designed LPF and WPD by using the proposed algorithm. The proposed artificial neural network (ANN) surrogate model is employed to calculate the dimensions of the LPF and WPD, resulting in their efficient design. The LPF and WPD designs incorporate open stubs, stepped impedances, triangular-shaped resonators, and meandered lines to achieve optimal performance. The compact LPF occupies a size of only 0.15 λg × 0.081 λg, and exhibits a sharp response within the transmission band, with a sharpness parameter of approximately 185 dB/GHz. The designed WPD, operating at 1.5 GHz, exhibits outstanding harmonics suppression from 2 GHz to 20 GHz, with attenuation levels exceeding 20 dB. The WPD successfully suppresses 12 unwanted harmonics (2nd to 13th). The obtained results demonstrate that the proposed design algorithm effectively accomplishes the LPF and WPD designs, exhibiting desirable parameters such as operating frequency and high-frequency harmonics suppression. The WPD demonstrates a low insertion loss of 0.1 dB (S21 = 0.1 dB), input and output return losses exceeding 30 dB (S11 = −35 dB, S22 = −30 dB), and an output ports isolation of more than 32 dB (S23 = −32 dB), making it suitable for integration into modern communication systems.

show abstract