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WO2006060499A3 - Techniques for reduced emi - Google Patents

Techniques for reduced emi Download PDF

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Publication number
WO2006060499A3
WO2006060499A3 PCT/US2005/043349 US2005043349W WO2006060499A3 WO 2006060499 A3 WO2006060499 A3 WO 2006060499A3 US 2005043349 W US2005043349 W US 2005043349W WO 2006060499 A3 WO2006060499 A3 WO 2006060499A3
Authority
WO
WIPO (PCT)
Prior art keywords
techniques
reduced emi
emi
reduced
digital signals
Prior art date
Application number
PCT/US2005/043349
Other languages
French (fr)
Other versions
WO2006060499A2 (en
Inventor
Kenneth W Egan
Gregory T Chandler
Jitendra K Budwal
James J Remedi
Ted Beck
Stephen J Sheafor
Original Assignee
X Emi Inc
Kenneth W Egan
Gregory T Chandler
Jitendra K Budwal
James J Remedi
Ted Beck
Stephen J Sheafor
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by X Emi Inc, Kenneth W Egan, Gregory T Chandler, Jitendra K Budwal, James J Remedi, Ted Beck, Stephen J Sheafor filed Critical X Emi Inc
Priority to EP05825627A priority Critical patent/EP1829254A2/en
Priority to CNA2005800473521A priority patent/CN101379739A/en
Publication of WO2006060499A2 publication Critical patent/WO2006060499A2/en
Publication of WO2006060499A3 publication Critical patent/WO2006060499A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Dc Digital Transmission (AREA)

Abstract

Methods and systems are provided for reducing EMI by modifying digital signals using power spread signals to generate digital signals having reduced EMI.
PCT/US2005/043349 2004-12-03 2005-12-01 Techniques for reduced emi WO2006060499A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05825627A EP1829254A2 (en) 2004-12-03 2005-12-01 Techniques for reduced emi
CNA2005800473521A CN101379739A (en) 2005-12-01 2005-12-01 Technology for reducing electromagnetic interference

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63282304P 2004-12-03 2004-12-03
US60/632,823 2004-12-03

Publications (2)

Publication Number Publication Date
WO2006060499A2 WO2006060499A2 (en) 2006-06-08
WO2006060499A3 true WO2006060499A3 (en) 2006-09-14

Family

ID=35999543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/043349 WO2006060499A2 (en) 2004-12-03 2005-12-01 Techniques for reduced emi

Country Status (3)

Country Link
EP (1) EP1829254A2 (en)
TW (1) TW200638694A (en)
WO (1) WO2006060499A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI873541B (en) * 2023-02-15 2025-02-21 瑞昱半導體股份有限公司 Audio restore circuit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6501307B1 (en) * 2001-11-12 2002-12-31 Pericom Semiconductor Corp. Spread-spectrum clock buffer/driver that modulates clock period by switching loads
US20030118080A1 (en) * 2001-12-26 2003-06-26 Hailey Jeffery Charles Advanced spread spectrum clock generation technique for EMI reduction of multiple clock sources
US20030169838A1 (en) * 2001-11-27 2003-09-11 Sun Microsystems, Inc. EMI reduction using tunable delay lines
US20040247027A1 (en) * 2003-06-03 2004-12-09 Ping-Ying Wang Clock generator circuit using phase modulation technology and method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6501307B1 (en) * 2001-11-12 2002-12-31 Pericom Semiconductor Corp. Spread-spectrum clock buffer/driver that modulates clock period by switching loads
US20030169838A1 (en) * 2001-11-27 2003-09-11 Sun Microsystems, Inc. EMI reduction using tunable delay lines
US20030118080A1 (en) * 2001-12-26 2003-06-26 Hailey Jeffery Charles Advanced spread spectrum clock generation technique for EMI reduction of multiple clock sources
US20040247027A1 (en) * 2003-06-03 2004-12-09 Ping-Ying Wang Clock generator circuit using phase modulation technology and method thereof

Also Published As

Publication number Publication date
WO2006060499A2 (en) 2006-06-08
EP1829254A2 (en) 2007-09-05
TW200638694A (en) 2006-11-01

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