Ultra low power automatic tuning for gm-C filters

Silveira, Fernando - Aguirre, Pablo - Olivera, Fabián - Rodríguez, Andrés - Fierro, German

Resumen:

A simple technique for on-chip tuning of ultra low power Gm-C filters is analyzed in this paper. The technique locks the filter G m /C2 π frequency to an external reference clock. The proposed tuning method is tested with a low frequency first order high pass section. The tuning of this filter for different applications by changing the reference frequency is also explored. The circuit tunes the filter frequency in a range from 10 Hz to 200 Hz with a consumption of less than 800 nA.


Detalles Bibliográficos
2010
Circuit tuning
High-pass filters
low-power electronics
Electrónica
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/38713
Acceso abierto
Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)