• ±0.3v bulk-driven fully differential buffer with high figures of merit 

      Gangineni, Manaswini; Ramírez-Angulo, Jaime; Vázquez-Leal, Héctor; Huerta-Chua, Jesús; López Martín, Antonio Upna Orcid; González Carvajal, Ramón (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      A high performance bulk-driven rail-to-rail fully differential buffer operating from ±0.3V supplies in 180 nm CMOS technology is reported. It has a differential–difference input stage and common mode feedback circuits ...
    • Bulk-driven CMOS linear transconductance-cell for AC amplifiers with very low cut-off frequency 

      Ocampo-Hidalgo, Juan J.; Domínguez, Miguel Á.; Cruz Blas, Carlos Aristóteles de la Upna Orcid; Carrillo, Juan M. (Elsevier, 2023)   Artículo / Artikulua
      This manuscript proposes a novel linearized transconductor for AC amplifiers with a very low cut-off frequency. The cell uses an alternative solution that is based on a modified source-degeneration OTA, using two bulkdriven ...
    • Low-voltage 0.81mW, 1-32 CMOS VGA with 5% bandwidth variations and -38dB DC rejection 

      López Martín, Antonio Upna Orcid; Rico-Aniles, Héctor Daniel; Ramírez-Angulo, Jaime; Rocha-Pérez, José Miguel; González Carvajal, Ramón (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      A CMOS low-voltage amplifier with approximately constant bandwidth and DC rejection is introduced. The design is based on the cascade of a wide linear input range OTA, an op-amp and a servo-loop with extremely large time ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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