On the Design of Broadband Hybrid Amplifiers Using Non-Uniform Transmission Lines as Impedance Matching Networks

Fernández, M.; Hoeye, S. Ver; Vázquez, C.; Gonzalez, Leticia; Las-Heras, Fernando

doi:10.1109/access.2019.2897290

Cited by 6 publications

(3 citation statements)

References 28 publications

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“…The non-uniform Transmission lines are widely used in numerous applications such as electrical resonators 1 , hybrid amplifiers 2 , frequency synthesizers 3 , pulse shaping circuits 4 , antenna array beamforming networks 5 , and coupled microstrip lines 6 . Transmission lines made of the non-uniform profile are classified into two groups.…”

Section: Introductionmentioning

confidence: 99%

A new method for analyzing non-uniform guiding structures

Yasi

Boozari

Alijani

et al. 2023

Sci Rep

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This paper presents a new technique for analyzing a non-uniform transmission line (NUTL). This method expands the differential equations of voltage and current as the slope functions. Then, differential equations are solved using the explicit Runge–Kutta technique with the fourth-order method with four stages. It is shown that the proposed method can be used not only for analyzing the NUTL but also for analyzing the no-uniform waveguides (NUWG). Additionally, it is shown that the sensitivity of the proposed method concerning the discretization error is suitable. Several theoretical and practical NUTLs and NUWG are investigated to verify the proposed method’s accuracy and advantages. The performance of the proposed method is compared with those obtained by the other popular techniques, such as uniform cascaded sections (UCS).

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Section: Introductionmentioning

confidence: 99%

A new method for analyzing non-uniform guiding structures

Yasi

Boozari

Alijani

et al. 2023

Sci Rep

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show abstract

“…Guiding structures with nonuniform profiles are widely used in various applications, including electrical oscillators [1], broadband amplifiers [2], frequency multipliers [3], pulse‐shaping devices [4], very large‐scale integration interconnectors [5], and wideband antennas [6]. There are two types of nonuniform structures.…”

Section: Introductionmentioning

confidence: 99%

Analysis of a nonuniform guiding structure by the adaptive finite‐difference and singular value decomposition methods

Tamandani

Alijani

2023

ETRI Journal

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This paper presents a flexible finite‐difference technique for analyzing the nonuniform guiding structures. Because the voltage and current variations along the nonuniform structure differ for each segment, this work considers the adaptable discretization steps. This technique increases the accuracy of the final response. Moreover, by applying the singular value decomposition and discarding the nonprincipal singular values, an optimal lower rank approximation of the discretization matrix is obtained. The computational cost of the introduced method is significantly reduced using the optimal discretization matrix. Also, the proposed method can be extended to the nonuniform waveguides. The technique is verified by analyzing several practical transmission lines and waveguides with nonuniform profiles.

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“…Such components can replace multiple narrowband PAs with a single device, and consequently reduce the hardware research and develop costs owing to the incompatibility of the new and old wireless communication standards. [14][15][16][17][18][19] In order to improve the broadband performance, various architectures and configurations of BPAs have been developed including balanced configurations, distributed structures and traveling wave approach besides several matching techniques mostly based on optimization algorithms such as Real Frequency Technique (RFT) and the subsequent Simplified RFT (SRFT), filter-type design and the load-pull technique [20][21][22]. For the traveling wave or distributed PA approach, the broad bandwidth, linearity and flat gain are achieved by applying a linear design method.…”

Section: Introductionmentioning

confidence: 99%

A trade-off design of microstrip broadband power amplifier for UHF applications

Ribate

Mandry

Zbitou

et al. 2020

IJECE

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In this paper, the design of a Broadband Power Amplifier for UHF applications is presented. The proposed BPA is based on ATF13876 Agilent active device. The biasing and matching networks both are implemented by using microstrip transmission lines. The input and output matching circuits are designed by combining two broadband matching techniques: a binomial multi-section quarter wave impedance transformer and an approximate transformation of previously designed lumped elements. The proposed BPA shows excellent performances in terms of impedance matching, power gain and unconditionally stability over the operating bandwidth ranging from 1.2 GHz to 3.3 GHz. At 2.2 GHz, the large signal simulation shows a saturated output power of 18.875 dBm with an output 1-dB compression point of 6.5 dBm of input level and a maximum PAE of 36.26%. Electronics in Faculty of sciences and techniques, University Hassan 1st, Settat, Morocco. He is involved in the design of hybrid, monolithic active and passive microwave electronic circuits Ahmed Errkik was born in July 1960 in Morocco. He received the Ph.D. degree in physics from the University of Technology Compiegne (UTC), France. He is currently an associate Professor of physics in FST University Hassan 1st, Settat, Morocco. He is involved in the design of hybrid, monolithic active and passive microwave electronic circuits.Int J Elec & Comp Eng ISSN: 2088-8708  A trade-off design of microstrip broadband power amplifier for UHF applications (Mohamed Ribate) 927 Mohamed Latrach was born in Douar Ksiba, Sless, Morocco, in 1958. He received the Ph.D. degree in electronics from the University of Limoges, Limoges, France, in 1990. He is currently a Professor of microwave engineering with the Ecole Suprieure d'Electronique de l'Ouest (ESEO), Angers, France, where his research involves RF and microwaves. His field of interest is the design of hybrid, monolithic active, and passive microwave circuits, metamaterials, LH materials, antennas and their applications in wireless Communications. Ahmed Lakhssassi received the B.Eng. and M.Sc. in electrical engineering from University of Quebec à Trois-Rivières, Quebec, Canada in 1988 and 1990 respectively. He also received the Ph. D in Energy and Material sciences in 1995 from INRS-Energie et Matériaux, Quebec, Canada. His research interest is the fields of bio-heat thermal modeling. Also, his research interest is in Design of fully automated tool for porting analog and mixed signal circuits within different technology nodes.

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On the Design of Broadband Hybrid Amplifiers Using Non-Uniform Transmission Lines as Impedance Matching Networks

Cited by 6 publications

References 28 publications

A new method for analyzing non-uniform guiding structures

A new method for analyzing non-uniform guiding structures

Analysis of a nonuniform guiding structure by the adaptive finite‐difference and singular value decomposition methods

A trade-off design of microstrip broadband power amplifier for UHF applications

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