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Ring oscillators with improved signal-path matching for high-speed data communications

DC
  • US 6,501,339 B1
  • Filed: 08/10/2001
  • Issued: 12/31/2002
  • Est. Priority Date: 08/10/2001
  • Status: Expired due to Term
First Claim
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1. A ring oscillator comprising:

  • a sequence of delay circuits including at least first and second pairs of non-adjacent delay circuits, with each pair of non-adjacent delay circuits having at least one delay circuit between them and with each delay circuit in the sequence having an input for receiving an input signal and an output for driving a delayed version of the input signal into the input of only one other delay circuit in the sequence; and

    a first input-output connection between the first pair of non-adjacent delay circuits; and

    a second input-output connection between the second pair of non-adjacent delay circuits.

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