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Rotary traveling-wave oscillator with differential nonlinear transmission lines

Abstract: A methodology for the harmonic-balance analysis and design of rotary-traveling wave oscillator is presented. Two different implementations are compared. The first one is the standard configuration based on a distributed transmission lines. The second one is a new configuration based on a differential nonlinear transmission line (NLTL), which enables the generation of square waveforms with reduced number of stages, while still maintaining the capability to produce multiphase signals. The possible coexistence of oscillation modes is investigated with a detailed bifurcation analysis versus practical parameters such as the device bias voltage. The phase-noise spectrum is predicted from the variance of the common phase deviation. The parameters that determine this variance are identified with the conversion-matrix approach. The two prototypes, based on a distributed transmission line and a differential NLTL, have been manufactured and characterized experimentally, obtaining very good agreement between simulations and measurements.

 Autoría: Ponton M., Suarez A., Kenney J.,

 Fuente: IEEE Transactions on Microwave Theory and Techniques, 2014, 62(5), 1149-1161

 Editorial: Institute of Electrical and Electronics Engineers Inc.

 Fecha de publicación: 01/05/2014

 Nº de páginas: 14

 Tipo de publicación: Artículo de Revista

 DOI: 10.1109/TMTT.2014.2315778

 ISSN: 0018-9480,1557-9670

 Proyecto español: TEC2011-29264-C03-01

 Url de la publicación: https://doi.org/10.1109/TMTT.2014.2315778