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Ávila Ruiz, Juan Manuel Moscoso Mártir, Álvaro Durán Valdeiglesias, Elena Moreno-Pozas, Laureano De-Oliva-Rubio, José Molina-Fernández, Íñigo 2024-09-24T11:46:07Z 2024-09-24T11:46:07Z 2014-06 Ávila-Ruiz, J. M., Moscoso-Mártir, A., Durán-Valdeiglesias, E., Moreno-Pozas, L., de-Oliva-Rubio, J., Molina-Fernández, I., Six-Port-Based Architecture for Phase Noise Measurement in the UWB Band, Journal of Electrical and Computer Engineering, 2014, 646738, 10 pages, 2014. https://hdl.handle.net/10630/33051 https://doi.org/10.1155/2014/646738 A six-port-based frequency discriminator for phase noise measurement is proposed. This circuit makes use of a delay line discriminator configuration, thus not requiring reference oscillator. Furthermore, the use of a six-port network allows an extremely simple and completely passive solution well suited for low power oscillator measurement. A detailed study of the architecture is performed including the system noise sources. Besides, a prototype of the proposed six-port based delay line frequency discriminator is evaluated. Phase noise measurements of a commercial RF VCO are performed and compared with the results obtained with commercial metrology equipment with good agreement. eng http://creativecommons.org/licenses/by-nc-nd/4.0/ open access Attribution-NonCommercial-NoDerivatives 4.0 Internacional Radiofrecuencia Six-Port-Based Architecture for Phase NoiseMeasurement in the UWB Band journal article