Percorrer por autor "Fernándes, F."
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- Systematic Design of a Voltage Controlled Oscillator using a Layout-Aware ApproachPublication . Passos, F.; Castro Lópes, R.; Roca, E.; Fernándes, F.; Martins, R.; Lourenço, N.; Póvoa, R.; Canelas, A.; Horta, N.This paper focuses on the systematic design of voltage controlled oscillators (VCO), a commonly used radiofrequency (RF) electronic circuit. RF circuits are among the most difficult analog circuits to design due to its trade-offs and high operation frequencies. At such operation frequencies, layout parasitics and accurate passive component characterization become of upmost importance, causing re-design iterations if they are not considered by the designer. To avoid this problem, and reduce the design time, this paper presents a systematic design of a VCO, entailing layout parasitics and accurate characterization of passive components from early design stages. Results clearly illustrate the benefit of this strategy.