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Effect of high frequency substrate noise on LC-VCOs
Molina Garcia, Marc Manel; Aragonès Cervera, Xavier; Mateo Peña, Diego; González Jiménez, José Luis
Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. HIPICS - Grupo de Circuitos y Sistemas Integrados de Altas Prestaciones
This paper presents an experimental analysis of the performance degradation of an LC-Voltage Controlled Oscillator (LC-VCO) produced by high frequency noise present in the substrate. The spurs observed are shown to be caused by a frequency pulling mechanism. Based on the theory of injection locked oscillators, a new analytical model to predict the behavior of the LC-VCO under the effect of high frequency substrate noise is presented. The analytical model, which is successfully compared with experimental measurements on a 7 GHz LCVCO, provides rapid intuition on the relation between spurs and circuit parameters.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència
Injection locked oscillators
Integrated circuit noise
Phase noise
Voltage-controlled oscillators
info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
IEEE Press. Institute of Electrical and Electronics Engineers
         

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