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https://scholarbank.nus.edu.sg/handle/10635/48483
DC Field | Value | |
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dc.title | DESIGN AND ANALYSIS OF RF MIXERS AND PHASE CONTROL CIRCUITS | |
dc.contributor.author | HU ZIJIE | |
dc.date.accessioned | 2013-12-06T18:00:07Z | |
dc.date.available | 2013-12-06T18:00:07Z | |
dc.date.issued | 2013-06-24 | |
dc.identifier.citation | HU ZIJIE (2013-06-24). DESIGN AND ANALYSIS OF RF MIXERS AND PHASE CONTROL CIRCUITS. ScholarBank@NUS Repository. | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/48483 | |
dc.description.abstract | The design and stability analysis of a subharmonic mixer is firstly explored. A novel biasing scheme is proposed to realize a low-voltage cascode FET subharmonic mixer with relaxed LO power requirements. A systematic stability analysis is subsequently performed, which successfully predicts and eliminates the potential parametric oscillations. To address design issues of CMOS mixers with both wide-RF and wide-IF bandwidths, a cross-coupled Gilbert-cell mixer is presented. An RF bandwidth from 1 to 10 GHz is achieved with a conversion gain of 5.5±2.5 dB, while a conversion gain variation less than 2 dB is measured throughout the 0.1-1 GHz IF bandwidth. Lastly, to address the design issues of wideband CMOS phase shifters with variable phase shift, a novel and simple single-ended configuration is. The CMOS prototype exhibits a measured 3-dB bandwidth of 2-16 GHz, as well as a continuously adjustable phase control of 435º with only one DC control voltage. | |
dc.language.iso | en | |
dc.subject | RF front-ends, Mixers, Variable gain amplifier, Phase shifters, Phase control circuits | |
dc.type | Thesis | |
dc.contributor.department | ELECTRICAL & COMPUTER ENGINEERING | |
dc.contributor.supervisor | MOUTHAAN, KOENRAAD | |
dc.contributor.supervisor | CHEN XUDONG | |
dc.contributor.supervisor | JOSHUA LE-WEI LI | |
dc.description.degree | Ph.D | |
dc.description.degreeconferred | DOCTOR OF PHILOSOPHY | |
dc.identifier.isiut | NOT_IN_WOS | |
Appears in Collections: | Ph.D Theses (Open) |
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File | Description | Size | Format | Access Settings | Version | |
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HuZijie_FinalThesis.pdf | 4.49 MB | Adobe PDF | OPEN | None | View/Download |
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