Listar por autor "Durán Valdeiglesias, Elena"
Mostrando ítems 1-4 de 4
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Butler Matrix Based Six-port Passive Junction
Moscoso Mártir, Álvaro; Ávila Ruiz, Juan Manuel; Durán Valdeiglesias, Elena; Moreno-Pozas, Laureano
; Molina-Fernández, Íñigo; Ortega-Moñux, Alejandro; De-Oliva-Rubio, José[et al.] (2014-02-03)
In this work we propose the utilization of the Butler matrix as a six-port I/Q demodulator. The inherent symmetry of its topology allows to overcome the intrinsic amplitude and phase imbalances of the traditional approaches ... -
Caracterización y Simulación de un Diodo Schottky de Microondas
Moreno-Pozas, Laureano; Durán Valdeiglesias, Elena; Ávila Ruiz, Juan Manuel; Molina-Fernández, Íñigo (2013-09)
Microwave diode models included in commercial simulators use a large set of parameters, so they are often difficult to set up in order to match the actual response of a specific device. In this paper a simple model for a ... -
Frequency locked loop architecture for phase noise reduction in wideband low-noise microwave oscillators.
Ávila Ruiz, Juan Manuel; Moreno-Pozas, Laureano; Durán Valdeiglesias, Elena; Moscoso Mártir, Álvaro; Molina-Fernández, Íñigo; De-Oliva-Rubio, José[et al.] (Wiley, 2013)
A frequency locked loop (FLL) for phase noise reduction of wideband voltage controlled oscillators is proposed. The key building block of the system is a low noise (−160 dBV/Hz) and high sensitivity (22 V/GHz) delay line ... -
Six-Port-Based Architecture for Phase NoiseMeasurement in the UWB Band
Ávila Ruiz, Juan Manuel; Moscoso Mártir, Álvaro; Durán Valdeiglesias, Elena; Moreno-Pozas, Laureano; De-Oliva-Rubio, José; Molina-Fernández, Íñigo[et al.] (Hindawi Publishing Corporation, 2014-06)
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 ...