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Low-cost software-defined radio for electrical engineering education

September 8, 2023 by Samer Baher Safa Hanbali

Prototype wireless communication systems can be designed using discrete components, e.g., a low-noise amplifier (LNA), a power amplifier (PA), mixers, filters, frequency synthesizers, an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), etc. Different circuit boards have to be designed, fabricated, assembled, tested, and connected with wires. Consequently, iterating on these prototypes will increase the overall cost, size, power consumption, and complexity of the system. In contrast, software-defined radios (SDRs) integrate multiple functional blocks on a single microchip to reduce the cost, size, and power consumption. Furthermore, SDRs combine both digital processing and analog radio frequency (RF) to offer more flexibility to be reconfigured and controlled. Therefore, SDRs achieve more frequency- and bandwidth-flexible RF design, which enables the seamless transmission and reception of data. In addition, the ease of use and reduced expense of SDRs permit students to own the portal equipment. This increases student engagement through hands-on experiential learning.

For more about this article see link below.

https://ieeexplore.ieee.org/document/10237354

For the open access PDF link of this article please click here.

Filed Under: Past Theme Tagged With: Amplifiers, Costs, Power demand, Prototypes, Radar, Radio frequency, Wireless communication, Wires

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IEEE Potentials Magazine is the publication dedicated to undergraduate and graduate students and young professionals. IEEE Potentials explores career strategies, the latest in research, and important technical developments. Through its articles, it also relates theories to practical applications, highlights technology’s global impact, and generates international forums that foster the sharing of diverse ideas about the profession.

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