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Channelized front ends for broadband analog & RF signal processing with merged LO synthesis

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2 Author(s)
Gharpurey, R. ; Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA ; Kinget, P.

Frequency domain processing of broadband signals that relies on decomposing the incident spectrum into multiple channels for digitization is an attractive alternative to time-domain processing. Channelized architectures can be utilized for several analog and RF signal processing tasks, such as data conversion, broadband radio receivers and spectrum analysis. A channelized front end based on cascaded image-reject stages which significantly simplifies the frequency synthesis requirement in such architectures is proposed in this paper. Analog non-idealities in such front ends are discussed.

Published in:

Circuits and Systems Workshop,(DCAS), 2009 IEEE Dallas

Date of Conference:

4-5 Oct. 2009