Once the Zopt and the impedance matching have been identified, the next steps would be to come up with a practical matching and filtering topology, and simulate the theoretical values by using tools such as Agilent ADS and Ansoft Designer.The goal of the impedance matching stage is to present the optimum load impedance to the SX1261/SX1262 PA when matched to 50 ohms. In order to minimize the number of components for the matching network, this will be done using L3 and C5 of the TX stage.