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      1.2V, 1.96mW @ 2.4GHz CMOS-90nm switched-transconductor mixer 

      Villegas Calvo, José Alberto; Vázquez García de la Vega, Diego; Rueda Rueda, Adoración (2010)
      This paper presents the design of a fully differential double balanced switched transconductor mixer for ZigBee applications ...
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      A 2.5MHz bandpass active complex filter With 2.4MHz bandwidth for wireless communications 

      Villegas Calvo, José Alberto; Fiorelli Martegani, Rafaella Bianca; Ginés Arteaga, Antonio José; Doldan Lorenzo, Ricardo; Jalón, Maria Ángeles; Acosta Jiménez, Antonio José; Peralías Macías, Eduardo; Vázquez García de la Vega, Diego (2008)
      This paper presents a fully differential 8thorder transconductor-based active complex filter with 2.4MHz bandwidth and ...