Multipath Polyphase Circuits and their Application to RF Transceivers


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Klumperink, Eric and Shrestha, Rameswor and Mensink, Eisse and Wienk, Gerard and Ru, Zhiyu and Nauta, Bram (2007) Multipath Polyphase Circuits and their Application to RF Transceivers. In: IEEE International Symposium on Circuits and Systems, ISCAS 2007, 27-30 May 2007, New Orleans, LA, USA (pp. pp. 273-276).

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Abstract:Nonlinearity and time-variance in radio frequency (RF) circuits leads to unwanted harmonics and intermodulation products, e.g. in power amplifiers and mixers. This paper reviews a recently proposed multipath polyphase circuit technique which can cancel such harmonics and intermodulation products. This will be illustrated using a power upconverter IC as an example. The upconverter works from DC to 2.4 GHz, and the multipath polyphase technique cleans its spectrum up to the 17th harmonic, keeping unwanted spurious responses more than 40dB below the carrier. The technique can also be useful for other applications, and some possible applications will be discussed.
Item Type:Conference or Workshop Item
Copyright:© 2007 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:
Link to this item:http://purl.utwente.nl/publications/58149
Official URL:http://dx.doi.org/10.1109/ISCAS.2007.378388
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