×

Circuit(s), architecture and method(s) for operating and/or tuning a ring oscillator

  • US 6,294,962 B1
  • Filed: 12/09/1998
  • Issued: 09/25/2001
  • Est. Priority Date: 12/09/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A circuit comprising:

  • an oscillator circuit configured to present an output signal having a frequency in response to (i) a current, (ii) a load, and (iii) an input signal;

    a current source configured to generate said current in response to one or more first control signals, wherein a variation of said current calibrates said frequency by setting a coarse frequency; and

    a digital to analog converter configured to generate said load in response to one or more second control signals, wherein a variation of said one or more second control signals calibrates said frequency by setting a fine frequency.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×