Title :
Analysis of the effect of radio frequency interference on the DC performance of CMOS operational amplifiers
Author :
Abuelmaatti, Muhammad Taher
Author_Institution :
King Fahd Univ. of Pet. & Minerals, Dhahran, Saudi Arabia
Abstract :
Fourier-series approximations are obtained for the input-output characteristic of the CMOS asymmetrical differential amplifier. Using these approximations, the DC voltage offset of a CMOS differential amplifier subjected to RF interference can be studied and analytical expressions are obtained. These expressions can help in optimizing the parameters of the CMOS differential amplifier to minimize the offset voltage resulting from the RF interference.
Keywords :
CMOS integrated circuits; Fourier analysis; differential amplifiers; operational amplifiers; radiofrequency interference; CMOS operational amplifiers; DC performance; Fourier-series approximations; differential amplifier; electromagnetic interference; input-output characteristic; offset voltage; radiofrequency interference; Circuits; Differential amplifiers; Differential equations; Electromagnetic analysis; Electromagnetic interference; Operational amplifiers; Performance analysis; Radiofrequency amplifiers; Radiofrequency interference; Voltage;
Conference_Titel :
Electromagnetic Compatibility, 2003. EMC '03. 2003 IEEE International Symposium on
Print_ISBN :
0-7803-7779-6
DOI :
10.1109/ICSMC2.2003.1428264
