Referenced Items are not available for this document.
A 10 GHz dual-conversion low-IF downconverter using 0.18-mum CMOS technology is demonstrated. The high-frequency quadrature RF and LO1 signals are generated by broadside-coupled quadrature couplers while a two-section polyphase filter is utilised for the low-frequency LO2 quadrature signal generation. As a result, the demonstrated downconverter achieves a conversion gain of 7 dB, IP1 dB of -16 dBm, IIP3 of -5 dBm and noise figure of 26 dB at a 1.8 V supply. The image-rejection ratio of the first/second image signal is 33/42 dB for IF frequency ranging from 10 to 60 MHz, respectively.
Published in:
Electronics Letters
(Volume:45
,
Issue:
13
)
Date of Publication: June 18 2009
- Page(s):
- 685 - 686
- ISSN :
- 0013-5194
- INSPEC Accession Number:
- 10704575
- Digital Object Identifier :
- 10.1049/el.2009.0360
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 26 June 2009
- Issue Date :
- June 18 2009
- Sponsored by :
- Institution of Engineering and Technology
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