• Artículo
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      An Op-Amp Approach for Bandpass VGAs With Constant Bandwidth 

      Pourashraf, Shirin; Ramírez Angulo, Jaime; López Martín, Antonio J.; González Carvajal, Ramón; Algueta Miguel, José María (IEEE (Institute of Electrical and Electronics Engineers), 2018)
      Two approaches to implement variable gain amplifiers based on Miller op-amps are discussed. One has true constant bandwidth ...
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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. ...