Conference Paper

# Design of Multi-Band Transmission Line Transformer using Particle Swarm Optimization

Dept. of EE, Jordan Univ. of Sci. & Technol., Irbid

DOI: 10.1109/APS.2006.1711319 Conference: Antennas and Propagation Society International Symposium 2006, IEEE Source: IEEE Xplore

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**ABSTRACT:**Particle swarm optimisation (PSO) has been enormously successful. Within little more than a decade hundreds of papers have reported successful applications of PSO. In fact, there are so many of them, that it is difficult for PSO practitioners and researchers to have a clear up-to-date vision of what has been done in the area of PSO applications. This brief paper attempts to fill this gap, by categorising a large number of publications dealing with PSO applications stored in the IEEE Xplore database at the time of writing.Journal of Artificial Evolution and Applications 01/2008; 2008(Article ID 685175):10. -
##### Conference Paper: A compact dual-frequency transformer for frequency-dependent complex impedance load

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**ABSTRACT:**A novel single-stub impedance transformer for matching frequency-dependent complex impedance load is presented. The nonlinear equations to design this transformer are derived for different termination types of the stub line. The proposed impedance matching scheme is successfully adapted to the design of input matching network of a low noise transistor. For demonstration, an impedance transformer for a frequency-dependent complex impedance load is simulated and fabricated. The results of both simulation and measurement verify the validity of the proposed method.Microwave Conference Proceedings (APMC), 2012 Asia-Pacific; 01/2012 - [Show abstract] [Hide abstract]

**ABSTRACT:**This paper presents a comprehensive theory of a dual-frequency complex load-matching technique based on transmission lines. The theoretical analysis is insightfully described, and the applicable regions of the design equations are specified. To substantiate the theory, a corresponding methodology is proposed to design a dual-band 10/24-GHz amplifier, which is fabricated by standard 0.13-$\mu{\hbox {m}}$ 1P8M CMOS technology. This amplifier involves synthetic quasi-TEM transmission lines to build the dual-frequency matching circuits. The comparisons between simulations and on-wafer measurements are reported to establish the feasibility and flexibility of the presented technique in microwave applications.IEEE Transactions on Microwave Theory and Techniques 06/2012; 60(6):1649-1657. · 2.94 Impact Factor

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