Abstract
Nonlinear spectral analysis is exploited in this brief to investigate the second-order intermodulation distortion in direct conversion receivers (DCRs) for wideband code division multiple access systems. The emphasis is on the accurate modeling of the interferer, and on the derivation of the second-order intermodulation distortion spectra. Depending on the number of code multiplexed channels, the second-order intermodulation distortion power produced in the receiver can be significantly different. It varies by 6.5 dB between two boundary cases: multichannel versus single-channel signal. The developed analysis is verified by means of experiments carried out on a 0.18-/spl mu/m CMOS DCR realized for the universal mobile telecommunications system standard.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: IEEE Transactions on Circuits and Systems II: Express Briefs
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
