phase locked

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.

The pump is generated with optical carrier suppression in a Mach-Zehnder modulator. The two pumps are always parallel and phase-locked.

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).

A fast locking phase-locked loops (PLL) with a dual-slope phase frequency detector circuit is presented.

Therefore the digital phase-locked techniques are used in meterological satellite reception equipment.

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

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

The variation of residual reflectivity may result in the changing of the working characteristics of the phase-locked LDA.

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

The eliminating of drift error and the application of phase locked technology and digital filtering improves the precision of instrument.

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.

Chapter 2 will give basic ideas of phase-locked loops (PLLs) as well as some important characteristics in a frequency synthesizer.

So a further research on PWM rectifier and its phase locked technique is deep real meaning.

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).

The basic working principle and the crucial parameters of phase locked synthesizer are introduced in this paper.

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

And then the characteristics of the beam phase-locked are studied in detail.

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

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.

Scheme of the phase locked circuit of metal detector is also designed.

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.

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.

Coupling coefficients arising from different lateral modes between emitters of a diode laser array phase locked in an external cavity

Analyzing the coupling coefficients between emitters of a diode laser array phase locked in an external cavity

Length's Range While Running Different- Order Super Modes of a Diode Laser Array Phase- Locked in an External Cavity

Threshold Analysis of Super-modes of a Diode Laser Array Phase-locked in an External Cavity

Integrated Stability Robust Control Technology of High Density Diode-laser Arrays Phase-locked in an External Cavity

Phase-locked detection of fluorescence lifetime and its thermometric applications

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

Study of Phase Locked Technique and Control Strategies of Dynamic Voltage Restorer

A study of technique of intelligent digital phase-locked frequency multiplier

Study on A Phase-Locked System for the Constant-Speed Control of A DC Motor

The Phase-locked Frequency Multiplication Application in Automatic Register Controller System

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

The design of a subharmonic sampling phase-locked oscillator for low phase noise

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

The Design of a Subharmonic Sampling Phase-Locked Oscillator

Estimation of directional spectrum and reflection coefficient of incident and reflected waves in the phase-locked wave field

Phase-locked Detection Technology for Fluorescent Lifetime of Optical Fiber Temperature Sensor

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

Application of Phase - Locked Amplifying Technology in Detecting of Pollution in Air Suspended Particles

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

Resolving Phase Noise of the Rubidium Atomic Oscillator With Phase-Locked Technology

Study of Isolation Measurement through DC Phase-locked Loop

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

Research on Chaotic Phenomena of Phase-locked Frequency Detector with Triangular Phase-Detector

The phase-locked response and latency to pure tones in subdivisions of the inferior colliculus

Phase-locked Frequency Synthesis Technique Controlled by Single-chip Computer

Phase-locked High Precision Speed Control of High Speed Brushless DC Motor for Magnetically Suspended CMG

The Design of Highly Stable Phase Locked Microwave Dielectric Resonator Oscillator

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

Phase locked broad-stripe diode laser array in an external cavity

Research on Miniature Phase Locked and Frequency Multiplying Source at Millimeter-Wave Band

A phase-locked receiver applied to receive pulsed PSK radio frequency

Designing and Achieving About a New Type of Phase-locked Trigger Control Circuit for SCR Inverter

Super mode of diode-laser arrays phase-locked in an external cavity

An Embedded Phase-Locked Frequency Synthesizer for Cordless Telephone

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

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

Design on Microwave Sampling Phase-locked Frequency Synthesizer

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

Characterizing Phase Locked Loops Using Real-time Spectrum Analyzer

The property of the phase-locked response to pure tones in the inferior colliculus

Application of Phase-locked Loop Technique in Electrode Regulation

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

Phase-locked Constant-speed System of a High-accuracy Brushless DC Gyro Motor

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

Design of Serial Digital Phase-locked Frequency Synthesizer

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

Optimization Design and Application of Digital Phase Locked Loop

Application of Phase-Locked Amplifer in Detecting of Biomass Parameter on-line

The principle and application of the digital phase-locked loop

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

The design and implementation of embedded digital phase-locked loops

The Application of Phase-locked Loop Frequency Synthesizer

Study on Energy Feedback Type Electronic Power Load Based on Mean Value Feedback Control and Synchronization Phase-Locked Control

Phase-locked Loops Used with Atomic Hydrogen Frequency Standard

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

Tracking Frequency Based on Frequency Multiplication Phase-locked and Synchronization of Multi-period

General Analysis on Phase Locked External Cavity Laser Diode Arrays

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

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

Circuit for Phase Locked in Laser Typesetter with Scan Deflector

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

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

Smart Ka-band Phase Locked and Frequency Multiplying Source

Application of Phase Locked Loop in Phase Adjusting Trigger

Chaos of F-H Communication System with Phase-Locked Synthesizer

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

TDOA Measurement with the Phase Locked by Edges of Pulse Signals

Design and Simulation for the Digital Phase-Locked Loops with Linear Variable Bits Control Based on FPGA

Research on the Charge Pump of High-Performance Phase-Locked Loops

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

Design of Phase-locked Synchronous Circuit in Single-phase UPS

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

An All-digital Phase Locked Loops design and Applications

Design of High Performance Charge Pumps in Phase Locked Loops

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

Design and Character Analyzing of Three Channels Phase-Locked Transmitting RSP CA-51

The improvement and simulation of phase-locked loop

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

A method of phase-locked technology interface for DC motor control

Active Phase-locked Technology of Laser Arrays

Wideband FM Technique with Phase Locked Loops

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

Fixed-speed Control Strategy of on-position Sensor Brushless DC Motor based on DSP and Phase-locked Logic

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

ERPLD Expanded Range Phase Locked Demodulator

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

A DSP-based technique for phase-locked control

Phase Difference Measuring Instrument based on Phase-locked Loop

Realizing Bit Sync in the Digital Phase-locked Way

A Novel Scheme of Self-Tuning for Phase Locked Loop

Ka-band phase locked frequency source based on microwave phase locked loops

Analysis and design of all digital phase-locked loops in SEC

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

On the Use of Fast Settling Technique in Phase-Locked Loops

Phase-locked Control of High-precise Speed Regulation System of PMSM

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

Fixed-speed System of Brushless DC Motor based on DSP and Phase-locked Logic

An Ice- sensor Based on the Phase Locked Technology

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