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A CMOS sub-harmonic mixer for direct conversion receiver
- Authors
- Lee, Jeongeo; Liuyang; Choi, Sungjoo; Lee, Jaeseok; Kim, Hyeong dong
- Issue Date
- Dec-2009
- Publisher
- IEEE
- Keywords
- CMOS; Direct Conversion receiver; Poly-phase filters(PPF); Sub-harmonic mixer (SHM); WiBro
- Citation
- APMC 2009 - Asia Pacific Microwave Conference 2009, pp.1695 - 1698
- Indexed
- SCOPUS
- Journal Title
- APMC 2009 - Asia Pacific Microwave Conference 2009
- Start Page
- 1695
- End Page
- 1698
- Abstract
- A sub-harmonic passive mixer for WiBro (2.3∼2.4GHz) in 0.18 μm COMS process has been designed. The circuit includes a differential phase splitter for the LO circuit. This architecture have a low flicker noise (20.29Hz) and a good double sideband noise figure (9.29dB) while demanding little power consumption. The input referred 1-dB compression point is -4.3dBm, IIP2 is 33.12dBm and IIP3 is -3.44dBm. In this paper, it is to understand the mechanism of SHM.
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