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Digital Phase Locked Loops

Efficient 500 MHz Digital Phase Locked Loop Implementation sin 180nm CMOS Technology

Efficient 500 MHz Digital Phase Locked Loop Implementation sin 180nm CMOS Technology

... of Digital Phase Locked Loops(D PLL) have been implemented using the two efficient Phase frequency detector circuits are presented and their performance is compared through simulation ...

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Design, Implementation and Comparison of FFT Analysis of efficient Digital PLLs for clock generation using 50nm SPICE models for CMOS

Design, Implementation and Comparison of FFT Analysis of efficient Digital PLLs for clock generation using 50nm SPICE models for CMOS

... for digital phase locked loops is for clock generation and clock recovery in any complex computer architecture like a microprocessor or microcontroller, network ...processors. Digital ...

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Speeding up Phase Locked Loops based on Adaptive Loop Bandwidth

Speeding up Phase Locked Loops based on Adaptive Loop Bandwidth

... Phase-locked loops (PLLs) have been used in many applications ranging from communications, radar to ...past, digital phase-locked loops have been widely used in ...

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FFT Analysis, Simulation of Computational Model and Netlist Model of Digital Phase Locked Loop

FFT Analysis, Simulation of Computational Model and Netlist Model of Digital Phase Locked Loop

... for digital phase locked loops is for clock generation and clock recovery in any complex computer architecture like a microprocessor or microcontroller, network ...processors. Digital ...

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Extended Lock Range Zero Crossing Digital Phase Locked Loop with Time Delay

Extended Lock Range Zero Crossing Digital Phase Locked Loop with Time Delay

... Digital phase locked loops (DPLLs) were introduced to min- imize some of the problems associated with the analogue loops such as sensitivity to DC drift and the need for peri- odic ...

6

Digital Implementation of Frequency and Phase Locked Loops

Digital Implementation of Frequency and Phase Locked Loops

... and Phase locked loop [1, 2] will provide parallel estimation of frequency, phase and magnitude of pure ...order phase locked loop [3] and Costas loop [4] and wide ...the digital ...

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Design and Simulation of Low Power Consuming Digital Controlled Oscillator in All Digital Phase Locked Loop

Design and Simulation of Low Power Consuming Digital Controlled Oscillator in All Digital Phase Locked Loop

... Analog phase locked loops require the initial calibrations and periodic adjustments [3] but DPLLs are not required to protect from sensitivity of the Voltage Controlled Oscillator (VCO), temperature ...

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Ultrasound array transmitter architecture with high timing resolution using embedded phase-locked loops

Ultrasound array transmitter architecture with high timing resolution using embedded phase-locked loops

... GyongBuk, Korea) of 5 MHz centre frequency and 3-8 MHz bandwidth. In all experiments however only the central 96 elements were excited. The excitation used for experimental evaluation was a 5 cycle tone burst of ...

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Broadband suppression of phase-noise with cascaded phase-locked-loops for the generation of frequency ramps

Broadband suppression of phase-noise with cascaded phase-locked-loops for the generation of frequency ramps

... fractional-N phase-locked- loops are excellent means to generate highly linear frequency ...a phase-noise reduction of the ...high-speed digital circuit that would result in a costly ...

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Techniques for automatic on chip closed loop transfer function monitoring for embedded charge pump phase locked loops

Techniques for automatic on chip closed loop transfer function monitoring for embedded charge pump phase locked loops

... When considering on chip signal generation the problem becomes how to generate a sinusoidal phase or frequency modulated input signal with the minimum of hardware overhead, and ideally using digital ...

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A Low Power VLSI Design of an All Digital Phase Locked Loop

A Low Power VLSI Design of an All Digital Phase Locked Loop

... — Phase locked loop is a familiar circuit for high frequency application and very short interlocking ...All Digital Phase locked loop (ADPLL), as the present applications requires a low ...

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Dynamic phasor analysis and design of phase locked loops for single phase grid connected converters

Dynamic phasor analysis and design of phase locked loops for single phase grid connected converters

... laboratory digital platform equipped with 16 bit A/D converters specially designed for real time control of power electronic ...as phase jump, voltage sag and frequency step change ...

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Non-linear behaviour of charge-pump phase-locked loops

Non-linear behaviour of charge-pump phase-locked loops

... and digital structure of charge-pump phase-locked loops (CP-PLL) is a challenge in modelling and ...of phase detector is used, the scopes of validity of these approximations are ...

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Design of an Effective Charge Pump Phase Locked Loops Architecture for RF Applications

Design of an Effective Charge Pump Phase Locked Loops Architecture for RF Applications

... Because of a large number of desirable applications, performance parameters and design characteristics CP- PLLs have in recent years become a popular PLL architecture [1-2]. Generally, CP-PLLs are the most common ...

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High Frequency Phase Detector in Phase Locked Loop

High Frequency Phase Detector in Phase Locked Loop

... ABSTRACT: PHASE-LOCKED loops (PLLs) are widely applied for different purposes in various domains such as communications and ...The phase detector is a key element in PLLs and has from a ...

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A Digital Phase Locked Loop based System for Nakagami  m fading Channel Model

A Digital Phase Locked Loop based System for Nakagami m fading Channel Model

... We have implemented a 6 th order polynomial fitting algorithm to fit the incoming signal to a signal with minimum distortion as replacement of anti-aliasing filter. The use of least-squares (LS) polynomial fitting ...

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A Digital Phase Locked Loop Speed Control of Three Phase Induction Motor Drive: Performances Analysis

A Digital Phase Locked Loop Speed Control of Three Phase Induction Motor Drive: Performances Analysis

... using phase locked loop (PLL),” Proceedings SSD Conference, ...de phase associes pour des applications de radiocommunications mobiles profe- ssionnelles,” ...

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A tunnel diode phase-locked oscillator.

A tunnel diode phase-locked oscillator.

... The phase comparator is another multiplier ...the phase difference betweeh the ...the phase comparator is proportional to the product of the amplitudes of the ...

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A Review of Phase Locked Loop

A Review of Phase Locked Loop

... Figure 8 Block diagram of a typical digitally controlled oscillator. DCO can be implemented based on a differential LC oscillator [15-16]. As shown in figure 9, the LC tank comprises a centre tapped inductor and three ...

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DESIGN OF CONFIGURABLE MULTIPHASE CLOCK GENERATION AND FREQUENCY MEASURING CIRCUIT

DESIGN OF CONFIGURABLE MULTIPHASE CLOCK GENERATION AND FREQUENCY MEASURING CIRCUIT

... the phase of the final output clock signal, φ15, by comparing it to the initial clock signal ...on phase comparison ...of phase change, albeit in a round robin ...

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