VCO de bajo ruido de fase en banda S completamente integrado para aplicaciones embarcadas
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Identificadores
URI: http://hdl.handle.net/10902/3274Registro completo
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2012-09Derechos
© 2012 URSI España
Publicado en
URSI 2012, XXVII Simposium Nacional de la Unión Científica Internacional de Radio, Elche
Resumen/Abstract
A low phase noise common base Colpitts voltage controlled oscillator for satellite communications is presented. The circuit is fully integrated and is fabricated using a space qualified commercial InGaP HBTtechnology. The circuit does not include any custom components since the reliability in space applications is very important and it can only be achieved through library modeled elements. The VCO operates from 3.3 to 3.59 GHz with a 4% tuning range, and with an output power of 0.5 dBm for a frequency of 3.5 GHz. It shows a very good phase noise characteristic, showing -115.5 dBc/Hzat 1 MHz offset in measurements. The overall dc power consumption of the VCO core is quite low, with a value of 32.5mW for a supply voltage of 5 V.
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