Referenced Items are not available for this document.
A 2-GHz direct conversion receiver for third-generation mobile communications using wide-band code division multiple access achieves -114-dBm sensitivity for 128-kb/s data at 4.096-Mcps spreading rate. The receiver is distributed on four dies. The active RC channel selection filter can be programmed to three different bandwidths from 5 to 20-MHz radio-frequency (RF) spacing; and the gain control is merged with filtering. RF and baseband chips use a 25-GHz, 0.3-μm BiCMOS technology while the two analog-to-digital converters are implemented with a 0.5-μm CMOS. The double-sideband noise figure is 5.1 dB at the 94-dB maximum voltage gain, and the IIP3 and ITP2 are -9.5 and +38 dBm, respectively, The receiver draws 128 mA from a 2.7-V supply
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:34
,
Issue:
12
)
Date of Publication: Dec 1999
- Page(s):
- 1893 - 1903
- ISSN :
- 0018-9200
- INSPEC Accession Number:
- 6456162
- Digital Object Identifier :
- 10.1109/4.808914
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Dec 1999
- Sponsored by :
- IEEE Solid-State Circuits Society
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