An Effective Design Scheme of Single- and Dual-Band Power Dividers for Frequency-Dependent Port Terminations
Gupta R. Assaad M. Chaudhary M.A. Hashmi M.
May 2023MDPI
Electronics (Switzerland)
2023#12Issue 9
Flexible design schemes for single- and dual-band power dividers terminated in arbitrary port impedances are proposed in this paper. The proposed architecture provides the inherent impedance transformation to real, complex, and frequency-dependent complex impedances at the input and output port terminations. Furthermore, the proposed design is supported by flexible design procedures with independent design variables to enhance rapid prototyping in microstrip technology. It is demonstrated that the presence of independent design variables enhances the design flexibility for varied ranges of frequency and impedance transformation ratios. Two different prototypes, one each demonstrating single- and dual-band performances, are developed to validate the performance of the reported designs with real and frequency-dependent complex port impedances. The prototypes exhibit excellent agreements between the simulated and measured results. The single-band impedance transforming power divider (ITPD) possesses a low-amplitude imbalance of (Formula presented.) dB, a phase imbalance of less than ±0.5 (Formula presented.), and an isolation of (Formula presented.) dB at the design frequency of 5.8 GHz. The dual-band prototype also exhibits a low-amplitude imbalance of (Formula presented.) dB and a phase imbalance of less than ±0.5 (Formula presented.) at both the design frequencies of 1 GHz and 2.6 GHz. The isolation is also better than (Formula presented.) dB at both design frequencies. It is thus shown that the overall performance advances the state of the art in the design schemes of ITPDs.
design flexibility , frequency-dependent complex impedance transformation , Wilkinson power divider
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ECE Department, Indraprastha Institute of Information Technology Delhi, New Delhi, 110020, India
Department of Electrical and Computer Engineering, College of Engineering and Information Technology, Ajman University, P.O. Box 346, Ajman, United Arab Emirates
Department of Electrical and Computer Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Astana, 010000, Kazakhstan
ECE Department
Department of Electrical and Computer Engineering
Department of Electrical and Computer Engineering
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