Phase locked loop with bandwidth control

Phase-lock loop

Loss of lock detector for clock and data recovery system

Phase-lock loop

Switched phase and frequency detector based DPLL circuit with excellent wander and jitter performance and fast frequency acquisition

Phase locked loop circuit

Frequency calibration loop circuit

Phase-lock loop

Configurable reset circuit for a phase-locked loop

System and method for cycle slip prevention in a frequency synthesizer

Lock detection circuit for phase locked loop

Low pass filter and lock detector circuit

False frequency lock detector

PLL lock time reduction

Automatic switching phase-locked loop

Loop system capable of auto-calibrating oscillating frequency range and related method

Method and apparatus for timing and event processing in wireless systems

Method and apparatus for timing and event processing in wireless systems

Robust phase-lock detector

Digital clock recovery circuit

Adaptive cycle-slipped detector for unlock detection in phase-locked loop applications

System and method for multiple-phase clock generation

Circuits and methods for phase locked loop lock window detection

Sigma-delta fractional-N PLL with reduced frequency error

Phase lock loop for rapid lock-in and method therefor

Phase-locked loop for stably adjusting frequency-band of voltage-controlled oscillator and phase locking method

Phase lock loop indicator

Phase-Locked Loop Integrated Circuits Having Fast Phase Locking Characteristics

Lock detect circuit for a phase locked loop

Circuit to reset a phase locked loop after a loss of lock

Circuit arrangement for detection of a locking condition for a phase locked loop, and a method

Phase locked loop fast lock method

System and method for phase-locked loop initialization

System and method for lock detection of a phase-locked loop circuit

Adjustable lock-in circuit for phase-locked loops

Method and system for a lock detector for a phase-locked loop

Receiver having no tracking error

Method and system for calibrating input voltage of voltage controlled oscillator and digital interface used for calibrating input voltage

Smart lock-in circuit for phase-locked loops

Variable lock-in circuit for phase-locked loops

Controllable idle time current mirror circuit for switching regulators, phase-locked loops, and delay-locked loops

Method to gate off PLLS in a deep power saving state without separate clock distribution for power management logic

Low noise charge pump for PLL-based frequence synthesis

PLL circuit

Circuits and methods for detecting phase lock

Versatile feedback system for phase locked loop architecture

Phase-locked loop circuit

Phase-locked loop integrated circuits having fast phase locking characteristics

Method and apparatus for acquiring a frequency without a reference clock

Programmable phase-locked loop

PLL clock signal generation circuit

CDR lock detector with hysteresis

Lock detectors having a narrow sensitivity range

Delay locked loop circuit with time delay quantifier and control

Synthesizer with lock detector, lock algorithm, extended range VCO, and a simplified dual modulus divider