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Spread spectrum isolator

  • US 7,650,130 B2
  • Filed: 11/27/2007
  • Issued: 01/19/2010
  • Est. Priority Date: 06/03/2004
  • Status: Active Grant
First Claim
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1. An apparatus for transmitting a logical data value from a first die to a second die, comprising:

  • functional circuitry on the first die, said functional circuitry configured to drive an RF voltage isolation link connecting the first die with the second die with an RF signal responsive to receipt of a logic signal at a first logic state; and

    control circuitry for modifying the frequency of the RF signal transmitted over the RF voltage isolation link to spread harmonics to other than a fundamental frequency.

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