Investigation into the interference potential of spread-spectrum clock generation to broadband digital communications

IEEE Transactions on Electromagnetic Compatibility

Volumn 45, Issue 1, 2003, Pages 10-21

  Hardin, Keith ^a   Oglesbee, Robert A ^a   Fisher, Fred ^b  

^a LEXMARK INTERNATIONAL INC   (United States)

^b Philips Testing Service   (United States)

Author keywords

8 VSB; Clock modulation; COFDM; Digital television (DTV DVB T); Dithered clock; High definition television (HDTV); Interference; Spread spectrum clock generation (SSCG)

Indexed keywords

CLOCKS; DIGITAL COMMUNICATION SYSTEMS; ELECTROMAGNETIC COMPATIBILITY; FREQUENCY MODULATION; HIGH DEFINITION TELEVISION; INFORMATION TECHNOLOGY; PHASE LOCKED LOOPS; SIGNAL INTERFERENCE;

PERIODIC MODULATIONS;

SPREAD SPECTRUM COMMUNICATION;

EID: 0037298048     PISSN: 00189375     EISSN: None     Source Type: Journal    
DOI: 10.1109/TEMC.2002.808074     Document Type: Article

References (18)

1. K. B. Hardin, J. T. Fessler, and D. R. Bush, "Spread spectrum clock generation for the reduction of radiated emissions," Proc. 1994 IEEE Int. Symp. Electromagnetic Compatibility, pp. 227-231, Aug. 1994.
2. K. Hardin et al., "Spread spectrum clock generator and associated method," U.S. Patent 5 488 627, Jan., 30 1996.
3. K. Hardin, "Spread spectrum clock generator," U.S. Patent 5 631 920, May, 20 1997.
4. K. Hardin et al., "Spread spectrum clock generator and associated method," U.S. Patent 5 867 524, Jan., 30 1996.
5. Booth et al., "Spread spectrum clock generator and associated method," U.S. Patent 5 872 807, Feb., 2 1999.
6. K. Hardin, "Variable spread spectrum clock," U.S. Patent 6 167 103, Dec., 26 2000.
7. K. Hardin et al., "Method and apparatus for compensating a spread spectrum clock generator," U.S. Patent 6 292 507, Sept. 18, 2001.
8. "Spread Spectrum Clock Generation TV Interference Study," Philips Consumer Electronics Company, Knoxville, TN, Tech. Rep. T43 111-2, 1994.
9. K. B. Hardin, J. T. Fessler, and D. R. Bush, "A study of the interference potential of spread spectrum clock generation tehcniques," Proc. 1995 IEEE Int. Symp. Electromagnetic Compatibility, pp. 624-629, Aug. 1995.
10. H. G. Skinner and K. P. Slattery, "Why spread spectrum clocking of computing device is not cheating," Proc. 2001 IEEE Int. Symp. Electromagnetic Compatibility, vol. 1, pp. 537-540, Aug. 2001.
11. J. P. Knapp, Letter from Federal Communications Commission to Donald R. Bush, Feb. 24, 1995.
12. "FACTS Summary Report for the Australian Field Trials of DVB-T and ATSC DTTB Systems Conducted in 1997," Federation of Australian Commercial Television Stations, Mosman, Australia, 1998.
13. "Investigation into Possible Effects Resulting From Dithered Clock Oscillators on EMC Measurements and Interference to Radio Transmission Systems," Radiocommunications Agency, London, U.K., RA REF: AY3377 (510001 891).
14. "A Study of ATSC (8-VSB) DTV Coverage in Washington, DC, and Generational Changes in DTV Receiver Performance," Office of Engineering and Technology Federal Communications Commission, Washington, DC, FCC/OET TRB-00-2, 2001.
15. "Limits and Methods of Measurement of Immunity Characteristics of Sound and Television Broadcast Receivers and Associated Equipment," CISPR, London, U.K., CISPR 20: 1990.
16. "Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods-Part 1: Radio Disturbance and Immunity Measuring Apparatus," CISPR, London, U.K., CISPR 16-1.
17. J. H. Scott, "Explaining some of the magic of COFDM," in Proc. 20th Int. Television Symp., Montreux, Switzerland, June 1997.
18. "Information Technology Equipment Radio Disturbance Characteristics-Limits and Methods of Measurement," CISPR, London, U.K., CISPR 22.