CMOS multi-standard wireless direct-conversion receiver for SDR
- Authors
- Lee, Sangho; Choi, Sanghyun; Lee, Jaeseok; Park, Jihyun; Kim, Hyeongdong
- Issue Date
- Dec-2008
- Publisher
- IEEE
- Citation
- Proceedings of 2008 Asia Pacific Microwave Conference, APMC 2008, pp.1 - 4
- Indexed
- SCOPUS
- Journal Title
- Proceedings of 2008 Asia Pacific Microwave Conference, APMC 2008
- Start Page
- 1
- End Page
- 4
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/177558
- DOI
- 10.1109/APMC.2008.4958343
- ISSN
- 0000-0000
- Abstract
- In this letter CMOS multi-standard wireless direct-conversion receiver is presented. That is composed of wideband LNA, passive double-balanced sub-harmonic mixer, and back-gate coupled quadrature voltage controlled oscillator (QVCO). The frequency operating band of the LNA covers three standards, and it has a differential structure to drive double balanced mixer. The mixer achieved low flicker noise corner and high LO-RF port isolation by using passive sub-harmonic structure. The back-gate coupled QVCO is the structure that uses body connection as another gate. Therefore no coupling transistor is needed, so better phase noise performance is offered.
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