Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/45898
Título: Nonlinear synthesis of phase shifters, based on synchronized oscillators
Autores/as: Araña, Victor 
Collado, Ana
Súarez, Almudena 
Palabras clave: Phase shifters
Oscillators
Signal synthesis
Frequency synchronization
Circuit simulation, et al.
Fecha de publicación: 2005
Publicación seriada: IEEE Microwave and Wireless Components Letters 
Resumen: The phase shifters based on the synchronization of an oscillator to the input signal enable low consumption, low cost, and small size. However, the difficulties for an accurate design, associated to the complexity of the operation regime, limit their application to communication systems. Here, a technique is presented for the nonlinear synthesis of oscillator-based phase shifters. The technique provides the circuit-element values for a specified phase shift. The tuning voltage required to maintain a constant phase-shift value along a certain frequency band is also determined. Using these techniques, an injection-locked voltage-controlled oscillator, covering the 1.17-1.3GHz band has been designed and manufactured. The validity of the design is verified through nonlinear simulations and measurements. These include the phase-noise variation along the phase-shift interval and the circuit response versus modulated inputs. Good agreement has been obtained between measurements and simulations.
URI: http://hdl.handle.net/10553/45898
ISSN: 1531-1309
DOI: 10.1109/LMWC.2005.858976
Fuente: IEEE Microwave and Wireless Components Letters[ISSN 1531-1309],v. 15, p. 760-762
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