A 0.5-to-2.5Gb/s reference-less half-rate digital CDR with unlimited frequency acquisition range and improved input duty-cycle error tolerance

Keyphrases

• Frequency Acquisition 100%
• Digital Data 100%
• Error Tolerance 100%
• Digital Clock 100%
• Clock Recovery 100%
• Reference-free 100%
• Half-rate 100%
• Acquisition Range 100%
• Duty-cycle Error 100%
• Harmonic Locking 33%
• Circuitry 16%
• Single chip 16%
• Bit Rate 16%
• Timing Analysis 16%
• Extraction Methods 16%
• Activity-dependent 16%
• Ring Oscillator 16%
• Rotational Frequency 16%
• Subharmonics 16%
• Minimizing Cost 16%
• State Machine 16%
• Recovery Circuit 16%
• Rate Adaptation 16%
• Large Power 16%
• Half-rate Clock 16%
• Random Data 16%
• Frequency Detector 16%
• Multi-standard 16%
• Wide Frequency 16%
• Referenceless CDR 16%
• High-Speed Data 16%
• Optical Communication Network 16%
• Long Strings 16%
• Link Power 16%
• Full-rate 16%
• Harmonic Extraction 16%
• Adaptation Costs 16%
• Complex State 16%

Engineering

• Duty Cycle 100%
• Error Tolerance 100%
• Harmonics 100%
• Clock Rate 66%
• Rotational 33%
• Communication Network 33%
• Single Chip 33%
• Bit Rate 33%
• Speed Data 33%
• Rate Adaptation 33%
• High Speed Circuitry 33%
• State Machine 33%
• Oscillator 33%
• Data Stream 33%
• Isolation Method 33%