A baseline restorer for charge-sensitive amplifiers in a 500-nm CMOS process

Angel Abusleme, Renzo Barraza, Sergey Kuleshov

Resultado de la investigación: Contribución a los distintos tipos de conferenciaArtículo

Resumen

© 2018 IEEE. Charge-sensitive amplifiers (CSAs), widely used as front-ends in pulse processors for capacitive detectors, require a feedback network to set the operation point, deal with leakage currents and restore the baseline voltage upon the arrival of signals. Passive feedback networks are simple and reliable solutions that accomplish the task, but cannot modify the operation point in order to accommodate an input with different polarity, and do not offer sufficient flexibility to deal with a wide range of leakage current or input rates. The Krummenacher feedback solves these drawbacks at the cost of a large compensation capacitor, which is required for stability purposes. In this work, a novel configurable feedback network is presented. Based on the same principle as the Krummenacher network, this circuit relies on the design parameters to ensure stability. This work shows analysis, design and test results from a recent implementation in a 500-nm CMOS process.
Idioma originalInglés
Páginas1-4
Número de páginas4
DOI
EstadoPublicada - 28 jun 2018
Publicado de forma externa
Evento9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings -
Duración: 28 jun 2018 → …

Conferencia

Conferencia9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings
Período28/06/18 → …

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    Abusleme, A., Barraza, R., & Kuleshov, S. (2018). A baseline restorer for charge-sensitive amplifiers in a 500-nm CMOS process. 1-4. Papel presentado en 9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings, . https://doi.org/10.1109/LASCAS.2018.8399943