Referenced Items are not available for this document.
The design of a radio-frequency transmitter that can operate in two bands while employing a minimal number of external components entails many challenges at both the architecture and the circuit levels. This paper describes the design of a 900-MHz/1.8-GHz transmitter implemented in CMOS technology for dual-band applications. Configured as a two-step architecture, the circuit generates the first upconverted signal in quadrature form and subsequently performs single-sideband modulation to produce the output in two bands. Fabricated in a 0.6-μm digital CMOS technology, the transmitter exhibits unwanted spurs 40 dB below the carrier while drawing 75 mW from a 3-V supply
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:34
,
Issue:
5
)
Date of Publication: May 1999
- Page(s):
- 573 - 579
- ISSN :
- 0018-9200
- INSPEC Accession Number:
- 6248053
- Digital Object Identifier :
- 10.1109/4.760365
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- May 1999
- Sponsored by :
- IEEE Solid-State Circuits Society
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