Title :
Effect of components relative tolerance in the magnitude response of a Gm-C biquad
Author :
Monsurro, P. ; Scotti, Gianmario ; Trifiletti, A. ; Pennisi, Salvatore
Author_Institution :
DIET, Univ. of Sapienza, Rome, Italy
Abstract :
We analyze the effects of relative mismatches in transconductances and in capacitances onto the magnitude of the Gm-C biquad filter section. It is confirmed that deviation from the ideal magnitude increases with Q and with mismatches, being those associated with transcondunctances the relevant ones. The obtained data can be used at an early design stage to limit the magnitude error of a cascaded filter to a specified value by limiting the Q factor of each biquad.
Keywords :
Q-factor; biquadratic filters; Q factor; biquad filter; components relative tolerance effect; magnitude error; magnitude response; Band-pass filters; Capacitance; Filtering theory; Monte Carlo methods; Sensitivity; Standards; CMOS; Gm-C filter design; biquadratic; parameters variation;
Conference_Titel :
Circuit Theory and Design (ECCTD), 2013 European Conference on
Conference_Location :
Dresden
DOI :
10.1109/ECCTD.2013.6662299
