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https://doi.org/10.1109/APMC.2009.5384393
DC Field | Value | |
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dc.title | Design considerations for a 30 GHz differential colpitts VCO with High fOSC/fT ratio in 0.35μm SiGe BiCMOS | |
dc.contributor.author | Hon, M. | |
dc.contributor.author | Chen, Y. | |
dc.contributor.author | Mouthaan, K. | |
dc.date.accessioned | 2014-10-07T04:43:10Z | |
dc.date.available | 2014-10-07T04:43:10Z | |
dc.date.issued | 2009 | |
dc.identifier.citation | Hon, M., Chen, Y., Mouthaan, K. (2009). Design considerations for a 30 GHz differential colpitts VCO with High fOSC/fT ratio in 0.35μm SiGe BiCMOS. APMC 2009 - Asia Pacific Microwave Conference 2009 : 1573-1576. ScholarBank@NUS Repository. https://doi.org/10.1109/APMC.2009.5384393 | |
dc.identifier.isbn | 9781424428021 | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/83611 | |
dc.description.abstract | A fully integrated 30 GHz differential Colpitts VCO is presented in 0.35μm SiGe BiCMOS with an ft of 60 GHz. The topology of the differential Colpitts architecture and the design considerations are discussed in detail. The discussion encompasses critical portions of the circuit such as the LC tank, varactors and choice of transistors. The use of a common-collector Colpitts VCO topology precludes the need for a buffer, which lowers overall power consumption. The differential operation improves common-mode noise rejection which is especially important when building circuits on silicon. The symmetric inductor that is used for differential operation also results in a higher Q factor which improves the phase noise. Additionally, after employing a parasitic cancellation technique, the tank inductor can be made larger for operation at 30 GHz, which leads to an improved voltage swing and hence better phase noise. The in-depth discussion of the design considerations will benefit designers of BiCMOS Colpitts VCOs operating at high fOSC/f T ratios. ©2009 IEEE. | |
dc.description.uri | http://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/APMC.2009.5384393 | |
dc.source | Scopus | |
dc.subject | BiCMOS | |
dc.subject | Colpitts oscillator | |
dc.subject | Differential | |
dc.subject | Voltage-controlled oscillators | |
dc.type | Conference Paper | |
dc.contributor.department | ELECTRICAL & COMPUTER ENGINEERING | |
dc.description.doi | 10.1109/APMC.2009.5384393 | |
dc.description.sourcetitle | APMC 2009 - Asia Pacific Microwave Conference 2009 | |
dc.description.page | 1573-1576 | |
dc.identifier.isiut | 000279924300401 | |
Appears in Collections: | Staff Publications |
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