HK1006790A1 - Frequency modulated clock for reduced radiation - Google Patents

Frequency modulated clock for reduced radiation

Info

Publication number
HK1006790A1
HK1006790A1 HK98105149A HK98105149A HK1006790A1 HK 1006790 A1 HK1006790 A1 HK 1006790A1 HK 98105149 A HK98105149 A HK 98105149A HK 98105149 A HK98105149 A HK 98105149A HK 1006790 A1 HK1006790 A1 HK 1006790A1
Authority
HK
Hong Kong
Prior art keywords
frequency modulated
modulated clock
reduced radiation
radiation
reduced
Prior art date
Application number
HK98105149A
Inventor
Donald Weiss
Original Assignee
Intel Corp
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 Intel Corp filed Critical Intel Corp
Publication of HK1006790A1 publication Critical patent/HK1006790A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2215/00—Reducing interference at the transmission system level
    • H04B2215/064—Reduction of clock or synthesizer reference frequency harmonics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2215/00—Reducing interference at the transmission system level
    • H04B2215/064—Reduction of clock or synthesizer reference frequency harmonics
    • H04B2215/067—Reduction of clock or synthesizer reference frequency harmonics by modulation dispersion

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
HK98105149A 1995-03-08 1998-06-10 Frequency modulated clock for reduced radiation HK1006790A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40034295A 1995-03-08 1995-03-08
PCT/US1996/001426 WO1996027943A1 (en) 1995-03-08 1996-02-22 Frequency modulated clock for reduced radiation

Publications (1)

Publication Number Publication Date
HK1006790A1 true HK1006790A1 (en) 1999-03-19

Family

ID=23583232

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98105149A HK1006790A1 (en) 1995-03-08 1998-06-10 Frequency modulated clock for reduced radiation

Country Status (5)

Country Link
AU (1) AU4971096A (en)
DE (1) DE19681279C2 (en)
GB (1) GB2313935B (en)
HK (1) HK1006790A1 (en)
WO (1) WO1996027943A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5812590A (en) * 1996-02-28 1998-09-22 Motorola, Inc. Frequency spreading clock modulation
GB9614561D0 (en) * 1996-07-11 1996-09-04 4Links Ltd Communication system with improved code
GB2333883B (en) * 1998-01-28 2002-10-16 Markus Guenther Kuhn Low cost countermeasure against compromising electromagnetic computer emanations
US6937679B2 (en) * 2001-12-26 2005-08-30 Intel Corporation Spread spectrum clocking tolerant receivers
US7403054B1 (en) 2007-12-05 2008-07-22 International Business Machines Corporation Sub-picosecond multiphase clock generator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507796A (en) * 1982-10-20 1985-03-26 Printronix, Inc. Electronic apparatus having low radio frequency interference from system clock signal
EP0163313A3 (en) * 1984-05-30 1986-10-01 Tektronix, Inc. Method and apparatus for spectral dispersion of the radiated energy from a digital system
US5263055A (en) * 1991-11-04 1993-11-16 Motorola, Inc. Apparatus and method for reducing harmonic interference generated by a clock signal
US5734041A (en) * 1995-10-20 1998-03-31 Mcgill University Preparation of chiral phosphorothioate oligomers

Also Published As

Publication number Publication date
GB9717648D0 (en) 1997-10-22
DE19681279C2 (en) 2003-02-06
WO1996027943A1 (en) 1996-09-12
GB2313935A (en) 1997-12-10
DE19681279T1 (en) 1998-03-19
AU4971096A (en) 1996-09-23
GB2313935B (en) 1999-09-29

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20160221