locked loop

Figure 1 shows the general form of a charge pump integer divide phase locked loop (a very common topology used for frequency synthesis).

Because of the better spur control than DDS, the Phase Locked Loop (PLL) frequency synthesis is usually used in frequency agile synthesis.

After attaining synchronization, the phase offset due to frequency offset estimation error is tracked with a phase locked loop.

The phase-locked loop by the discriminator, the ring circuit filter and the pressure controls the oscillator to be composed.

The nonideal factor of the phase-frequency detector and charge pump in phase-locked loop and its overcome method is proposed.

According to the theory of phase-locked loop, we use reflected photoelectric sensor to carry out the color recognition.

A switched varactor array is proposed to suppress tuning gain fluctuation for the performance of the phase locked loop (PLL).

In this dissertation, theory, model, design and implementation of charge pump phase locked loop frequency synthesizer are lucubrated.

Based on the principle of the general Delay-Locked Loop (DLL), an Noncoherent Delay-Locked Loop(NDLL) is analysed and prepared.

the paper introduces the phase - locked loop first , including its working theory , the design of the loop filter and noise.

By the digital delay-locked loop (DLL) the timing precision of the display interface was improved.

The clock and data signal are synchronized and recovered by the phase locked loop and clock data recovery (CDR) circuits.

The capacitance to voltage conversion was implemented using a phase locked loop integrated circuit.

The phase-locked loop applies in the different situation, to the target stress surface which its requests is different.

Project 1 will be focused on the design and SPICE simulation of a high speed frequency divider for phase-locked loop applications.

Firstly, the basic theory of oscillator and sampling phase-locked loop is introduced.

This paper makes a study of the channel co-sharing technique using the Cross-Coupled Phase-Locked Loop (CCPLL).

In this thesis the basic architecture and the performance evaluation of phase-locked loop are presented.

A fast all digital phase-locked loop with automatic modulus control is presented.

The method uses an on-chip DLL (delay-locked-loop) macro, distributed memories, and simple counter logic (Figure 2).

The paper studies digital control scheme of resonance inverter frequency-tracking based on all digital phase-locked loop.

A high-order phase-locked loop(PLL) for radio frequency synchronization is designed.

Operation theory and realization method of stator-flux-angle in engineering based on digital phase-locked-loop (PLL) are presented.

At signal tracking aspect, first, the elements of code loop and carrier loop was proposed based on the basic phase-locked loop (PLL).

A new method of digital phase locked loop based on digital signal processing(DSP) and complex programmable logic device(CPLD) was proposed.

for keeping the frequency and phase synchronous to the grid , a pll ( phase locked loop ) is necessary.

The phase locked loop (PLL) frequency synthesizer for digital tuning system(DTS), which is used in DTS of car radio receiver, is presented.

All Digital Phase-Locked Loop frequency tracking and digital SPWM realization technology based on FPGA are emphasized in the research.

FIG. 1 illustrates an example of a phase-locked loop (PLL) that can include techniques of the present invention.

The circuit was realized by delay-locked loop(DLL).

Phase locked loop is a closed-loop controlled system that can track the input phase.

Now the full integrated pll( phase locked loop ) chip is used widely in radio frequency circuit.

One Model and Implementation of Software Phase-locked Loop Based on DSP.

A realization method of three phases software phase-locked loop(SPLL) based on TMS320F2812 is presented.

Realizing High Accurate Measurement by Simulation of the Equivalent Noise Bandwidth of Interferometer Phase-locked Loop

Operation of A Software Phase Locked Loop under Distorted Three-phase Voltage

A Frequency Synthesizer of Digital Phase-locked Loop with Programmable-control and Wideband Exchanging Frequency

General principles of measuring methods of digital phase-locked loop for semiconductor integrated circuits

Tracking the fp region of the piezoelectric transducer by the phase-locked loop circuit

Design and Implementation of a Phase Locked Loop with Wide Supply Range

Study of Isolation Measurement through DC Phase-locked Loop

Microcontroller-Based Control Strategy for Inverter with Synchronous Phase Locked Loop

Experimental Research of Frequency-Locked Loop for Modern Frequency Synthesizer

Design of a Delay Locked Loop for Frequency Synthesizer

Design of digital phase-locked loop of atmospheric laser emergency communication system

Simulation Device and Speed Regulating of Hydro-turbine Generator Using Phase-locked Loop

Optimization of the Phase-locked Loop Oscillator Design of TDMA Receiver

Preliminary Study of Three-Phase-Locked Loop Based on a Digital Signal Processor

The Design of Digital Phase - Locked Loop in Spread - Spectrum Synchronization

Analysis and Optimization of an All-Digital Phase-Locked Loop

FM Wireless Sound Reinforce System With Phase Locked Loop for Outdoor Broadcasting

Application of Phase-locked Loop Technique in Electrode Regulation

Application of Digital Phase- Locked Loop Technology in Recovering Bit Clock

Stray Analysis on Fractional Frequency-division Phase Locked Loop

A Phase-Locked-Loop-Based Model Reference Adaptive System for Speed Estimation of Sensorless Induction Motor Drives

The application of integrated phase-locked loop in the laser pulse modulation system

High-performance phase-locked loop for the image real-time processing

Embedded Fast All Digital Phase Locked Loop with Automatic Modulus Control

Study of Dynamic Voltage Restorer Based On Three Phase Software Phase-Locked Loop

Optimization Design and Application of Digital Phase Locked Loop

Full-Digital Noncoherent Delay Locked Loop for Satellite Ranging

The principle and application of the digital phase-locked loop

The Design and Analysis of Phase Locked Loop DC Velocity Adjusting Control System

The Application of Phase-locked Loop Frequency Synthesizer

The Study of Simulation for Tracing Satellite Doppler Shift Using Third-order Phase-locked loop

Design of AC Phase-Locked Loop as a Frequency Multiplier

The Improvement of Thyristor Power Supply Device Based on Synchronous Circuit of Phase Locked Loop and Frequency Multiplier

CPLD-Based digital phase locked loop for the low frequency signals

Analysis of Ranging Error with Delay-Locked Loop in Presence of Multipath and Noise

Design and implementation of wide-lock range digital phase locked loop base on FPGA

New Type Phase Locked Loop Wideband FM Technology in the Satellite Frequency

Design of monolithic Phase-Locked Loop circuit for high-speed serial data link

The Improvement of an FM Phase-Locked Loop Circuit

Passivity Based Control of Phase-Locked Loop SpeedRegulation for Induction Motor

Phase-Locked Loop and Fuzzy Sliding Mode Control of Induction Motors

Realization Method of Software Clock Phase-locked Loop in Radio Remote Unit

Application of Phase Locked Loop in Phase Adjusting Trigger

Study on Rotating Speed Control System with Phase Locked Loop for Motor

Implementation of an intelligent digital phase-locked loop based on FPGA

The Phase-locked Loop Steady Speed Control of the Sensorless Brushless DC Motor

PLL-QPSK, phased-locked loop quadrature phase shift keying

DSP-Based Control Strategy for Single-phase Inverters with synohroous Phase Locked Loop

All-Digital DFT Testing Analysis for Charge Pump Phase-Locked Loop

Ultra-Wide Bandwidth Communication Signal Tracking Algorithm Based on Delay-locked Loop

A Multi-Layer Charge-Pump Phase-Locked Loop Behavioral Model

The improvement and simulation of phase-locked loop

Design and Realization of Clock Recovery MMIC Based on Injection-synchronized Phase-locked Loop

Research on a New Type of Fast All Digital Phase-Locked Loop

The Signal Processing Method of Coriolis Mass Flowmeter Based on A Digital Phase Locked Loop

A CMOS charge pump for high-performance phase-locked loop

An Improved All Digital Phase-locked Loop Design

DSP based Digital Phase Locked Loop for Inverter

Study on the Software Phase-Locked Loop in the Steady Speed Control System of the BLDCM in Gyro

The development of decimal sub-frequency phase-locked loop frequency synthesizer controlled with microcomputer

An Thyristor Medium-frequency Power Supply Startup Circuit Based on Phase-locked Loop

A novel method of measuring a motor-rotating speed by using phase-locked loop

The Stability of the Phase-Locked Loop

Adjustment Circuit of Photo-electricity Sensor Signal Based on Phase-locked Loop

Clock Recovery Based on Phase Locked Loop with Bi-directly Incident Phase-Comparator

A Improvement of Thyristor Trigger Based on Synchronous Circuit of Phase Locked Loop

Constant-speed Control System of BLDCM with All-digital Phase-locked Loop

A Passive Filter for Charge Pump Phase-Locked Loop

Phase Difference Measuring Instrument based on Phase-locked Loop

Use of the Extended Kalman Filter to Improve the Delay Locked Loop IN GPS

A Novel Scheme of Self-Tuning for Phase Locked Loop

Design of Frequency Synthesizer Based on Digital Phase Locked Loop

Getting Technology of Bit Alignment Signal of Phase-locked Loop Based on CPLD

A Logic Circuit Design of All Digital Phase-Locked Loop

Study on the Software Phase-locked Loop in the Steady Speed Control System of the Sensorless BLDCM

The Velocity Control System of Electromotor Based on the Software Phase-Locked Loop

Design of multiplex data sampling card with phase-locked loop based on PC-bus

Design of Color Recognition System Based on Phase-locked Loop

AIM analog phase locked loop

Study on the steady speed control system of the BLDCM in gyro based on the software phase-locked loop

How to use the phase-locked-loop of real-time oscillograph

Design of Digital Phase Locked Loop Based on VHDL

How to debug phase locked loop synthesizer

Design of all digital phase locked loop based on VHDL