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Phase-Error Sensitivity of Multi-Phase Injection-Locked Ring Oscillators to Injection Signals
Provides the missing quantitative analysis of how accurately a multi-phase injection-locked ring oscillator (used for multi-phase clock generation) suppresses errors in its injected input. A phasor-based treatment of injection locking derives the oscillator's phase-error sensitivity and shows it depends on injection strength and the free-running frequency; simulation results closely match the theoretical predictions.