Referenced Items are not available for this document.
The performance of zero-IF receivers with current-driven passive mixers driven by 25% duty-cycle quadrature clocks is studied and analyzed. It is shown that, in general, these receivers outperform the ones that utilize passive mixers with 50% duty-cycle clocks. The known problems in receivers with 50% duty-cycle mixers, such as having unequal high- and low-side conversion gains, unexpected IIP2 and IIP3 numbers, and IQ crosstalk, are significantly lowered due to the operating principles of the 25% duty-cycle passive mixer. It is revealed that with an intelligent sizing of the design parameters, the 25%-duty-cycle-mixer-based receiver is superior in terms of linearity, noise, and elimination of IQ crosstalk.
Published in:
Circuits and Systems I: Regular Papers, IEEE Transactions on
(Volume:57
,
Issue:
9
)
Date of Publication: Sept. 2010
- Page(s):
- 2353 - 2366
- ISSN :
- 1549-8328
- INSPEC Accession Number:
- 11560215
- Digital Object Identifier :
- 10.1109/TCSI.2010.2043014
- Product Type:
- Journals & Magazines
- Date of Publication :
- 11 March 2010
- Date of Current Version :
- 30 September 2010
- Issue Date :
- Sept. 2010
- Sponsored by :
- IEEE Circuits and Systems Society
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