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A sideband-suppressed MB-OFDM frequency synthesizer using a dual-mode divider
- Authors
- Sun, Hyuk; Park, Jin Hong; Kim, Ki Won; Kim, Sung Jun; Chang, Ho Jun; Kim, Myoung Gyun; Yun, Tae Yeoul
- Issue Date
- Dec-2007
- Publisher
- IEEE
- Keywords
- CMOS; Dual-mode divider; Frequency synthesizer; MB-OFDM; RFIC; Ultra-wideband
- Citation
- RFIT 2007 - IEEE International Workshop on Radio-Frequency Integration Technology, pp.46 - 49
- Indexed
- SCOPUS
- Journal Title
- RFIT 2007 - IEEE International Workshop on Radio-Frequency Integration Technology
- Start Page
- 46
- End Page
- 49
- ISSN
- 0000-0000
- Abstract
- We presents a topology to provide tolerate quadrature signals in a MB-OFDM UWB frequency synthesizer. This frequency synthesizer is modified to replace a RC-CR network (RC-CR phase shifter) with a frequency division network (dual-mode divider), eliminating amplitude and phase errors of the RC-CR network. The proposed topology obtains superior suppression of image sideband of -15.5 dB when mismatches of RC passive components are assumed, based on the Monte Carlo simulation.
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Related Researcher
- Yun, Tae Yeoul
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)