• Artículo
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      Biasing CMOS amplifiers using MOS transistors in subthreshold region 

      Bikumandla, Manoj; González Carvajal, Ramón; Ramírez Angulo, Jaime; Urquidi, Carlos; López Martín, Antonio (2004)
      The implementation of large-valued floating resistive elements using MOS transistors in subthreshold region is addressed. ...
    • Artículo
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      Low-voltage wide gm adjustable range highly linear bicmos OTA 

      Ramírez Angulo, Jaime; Sawant, Milind S.; López Martín, Antonio; González Carvajal, Ramón (2005)
      A low distortion low-voltage BiCMOS OTA with wide gm adjustment range and constant input range is presented. It is based ...
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      A true low voltage class-AB current mirror 

      Torralba Silgado, Antonio Jesús; González Carvajal, Ramón; Jiménez Fuentes, José Mariano; Muñoz Chavero, Fernando; Ramírez Angulo, Jaime (2005)
      Class-AB circuits, which are able to deal with currents which are orders of magnitude larger than their quiescent current, ...