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Go to Editorial ManagerAn essential component of every RF system’s reception chain is the Low-Noise Amplifier(LNA). The sensitivity and performance of subsequent stages in the receiver chain are significantly influenced by the LNA, which is the initial step. Creating an LNA requires carefully balancing trade-offs in order to have the best possible performance in terms of gain and noise characteristics. Achieving optimal functioning and efficiency in the radio frequency system requires finding the correct balance. This article presents the design of an LNA circuit at the lowest cost without adding components such as inductors, active components, or several stages, which increase the complexity of the circuit, consume power, and add additional noise, by controlling the lengths of the microstrip line, LNA circuit was created by ADS software, and add a matching circuit. At the operating frequency of 2.4 GHz, the suggested design achieved good results with a gain of 17.48dB, NF of 0.7dB, stability factor of 1.5dB, and S11-S22 (-41dB, -25dB) in that order.
Water scarcity, drought, and population growth accompanying climate change are dangerous factors with serious consequences related to potable water file unless appropriate action is taken urgently to deal with these issues, especially with large populations in the major cities as well as the suburban areas. This work presents an enhanced wide area network for efficient management of the freshwater in the major cities. Hence, it adopts Mosul city as a typical case that contains about 100 residential districts that require 100 sites of water monitoring in the different locations in the city where each site owns three different types of water sensors (water flow, water level, and pressure) in addition to the video surveillance application. The water station sites send the data to the control and monitoring center of the water. The collected data is processed and analyzed by public cloud or private cloud for control and monitoring purposes. The suggested communication network addresses the requirements of the water section applications in terms of monitoring in real-time. This work addresses the WiMAX system as a communication network infrastructure to handle the advantages of resilience, low-cost maintenance, and expansion The suggested network offered excellent behavior in terms of latency (maximum latency is less than 57 msec) and data traffic of the adopted applications.