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Amplification of Ultrawideband Signals
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Source International Conference on Computer Aided Design archive
Proceedings of the 2003 IEEE/ACM international conference on Computer-aided design table of contents
Page: 363  
Year of Publication: 2003
ISBN ~ ISSN:1092-3152 , 1-58113-762-1
Authors
Won Namgoong  University of Southern California
Jongrit Lerdworatawee  University of Southern California
Sponsor
SIGDA: ACM Special Interest Group on Design Automation
Publisher
IEEE Computer Society  Washington, DC, USA
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DOI Bookmark: 10.1109/ICCAD.2003.28

ABSTRACT

One of the main implementation challenges in the ultrawide-band(UWB) radio is the design of efficient amplifiers. The difficultyin amplifying an UWB signal stems from its bandwidth beinga large fraction of the amplifier gain-bandwidth product. This paperdescribes a methodology and the tradeoffs associated with thedesign of UWB amplifiers. The amplifiers are designed to minimizea new performance metric, which we refer to as the effectivenoise figure (NF). The effective NF measures the degradationcaused by the amplifier in the achievable receiver performance afterthe digital decoding process, which is ultimately the most relevantmeasure of performance.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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[1] M. Z. Win and R. A. Scholtz, "Impulse radio: How it works," IEEE Commun. Lett., vol. 2, no. 2, pp. 36-38, Feb. 1998.
 
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[2] M. Z. Win and R. A. Scholtz, "Ultra-wide bandwidth time-hopping spread-spectrum impulse radio for wireless multi-access communications," IEEE Trans. Commnu., vol. 48, no. 4, pp. 679-691, Apr. 2000.
 
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[3] M. Z. Win and R. A. Scholtz, "On the roubustness of ultrawide bandwidth signals in dense multipath environments," IEEE Commun. Lett., vol. 2, no. 2, pp. 51-53, Feb. 1998.
 
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[4] H. A. Haus, "IRE standards on methods of measuring noise in linear two ports, 1959," Proc. IRE, vol. 48, pp. 60-74, 1960.
 
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[5] J. G. Proakis, Digital Communications, Boston: McGraw-Hill, 2001.
 
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[6] H. T. Friis, "I. Noise figure of radio receivers," Proc. IRE, vol. 32, pp. 419-422, Jul. 1944.
 
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[7] Goldfarb, D., "A family of variable metric updates derived by variational means," Mathematics of Computing., vol. 24, pp. 23-26. 1970.

Collaborative Colleagues:
Won Namgoong: colleagues
Jongrit Lerdworatawee: colleagues