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digital phase-locked loop filter

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

... The Phase frequency Detector (PFD) is one of the main parts in PLL ...the phase and frequency difference between the reference clock and the feedback ...the phase and frequency deviation, it ...

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Implementation of Low Power All Digital Phase Locked Loop

Implementation of Low Power All Digital Phase Locked Loop

... Loop filter takes error signals from PFD as input, these signals are processed to generate control signals for ...dco. Loop filter effectively performs the following calculations once on each ...

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Design an All Digital PLL with Ripple Reduction Technique

Design an All Digital PLL with Ripple Reduction Technique

... of Phase Lock Loop (PLL) is All Digital ...ON. Phase locked loops are most widely used in communication ...be digital. The circuit design of ADPLL consists of Digital ...

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Design of CMOS Phase Locked Loop

Design of CMOS Phase Locked Loop

... Phase locked loop (PLL) is one of the most inevitable necessities in modern day electronic ...or digital type [2]. A phase locked loop (PLL) is used for different purposes ...

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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

... a Digital Phase Locked Loop (DPLL) based systems for dealing with Nakagami-m fading is proposed ...better phase-frequency detection have been implemented as a replacement of ...

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DDS Based Phase Locked Loop

DDS Based Phase Locked Loop

... the phase and frequency, when the grid voltage is unbalanced and/or ...average filter(s) (MAF) into the PLL structure has been proposed in some recent ...impulse-response filter, which can act as an ...

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Design and Implementation of Digital Demodulator for Frequency Modulated CW Radar (RESEARCH NOTE)

Design and Implementation of Digital Demodulator for Frequency Modulated CW Radar (RESEARCH NOTE)

... programmable digital signal processor using VLSI design techniques. Digital Signal Processing (DSP) algorithms have been an integral design methodology for implementation of high speed application specific ...

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A Review of Phase Locked Loop

A Review of Phase Locked Loop

... of phase locked loop (PLL) ...of phase detector, loop filter and oscillators are ...PLL, Digital PLL and All digital PLL models are implemented in Simulink ...

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Non-Destructive Determination of Magnetic Audio Tape Degradation for Various Tape Chemistries Using Spectroscopy and Chemometrics

Non-Destructive Determination of Magnetic Audio Tape Degradation for Various Tape Chemistries Using Spectroscopy and Chemometrics

... bandpass filter followed by a phase-locked loop (PLL) that uses a second-order generalized integrator (SOGI) as the phase ...control loop, where the SOGI phase detection ...

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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

... speed is sensed by a tacho generator. The motor speed in square waveform is needed. A second 4046 is added and the motor speed in square waveform is received at its VCO output. The obtained signal is feedback at pin 3 ...

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

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

... pass loop filter is used with tri-state is shown in Fig. 7. The filter should be as compact as ...the loop filter controls the oscillation frequency of the ...The loop ...

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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

... order filter for the loop filter and a typical analog ...name Digital is present in the DPLL, it’s not exactly a complete Digital ...All Digital PLL makes an attempt at ...

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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 adjustments [1, ...

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Phase Locked Loop Test Methodology

Phase Locked Loop Test Methodology

... the loop filter node, which is in turn dependant upon the current applied from the charge ...the loop divider is reconfigured as a frequency ...the loop filter node should be at ...

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Frequency and phase locking of a CW magnetron:with a digital phase locked loop using pushing characteristics

Frequency and phase locking of a CW magnetron:with a digital phase locked loop using pushing characteristics

... injection phase is ...electronic phase shifter, top trace in Figure 5.2. Phase offsets due to the 50 Hz heater ripple and the 100 Hz mains ripple are filtered out at the phase detector output ...

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Synchronization performance of noise based frequency offset
modulation

Synchronization performance of noise based frequency offset modulation

... power. Digital phase-locked loops were analyzed in [32]. Phase acquisition was found to be complete within an impressive 11 cycles of the incoming signal ...the digital PLL is promising ...

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Analysis, Modeling and Simulation of a Low Phase Noise Frequency Synthesizer for High Sensitivity FM Receiver

Analysis, Modeling and Simulation of a Low Phase Noise Frequency Synthesizer for High Sensitivity FM Receiver

... direct digital frequency synthesizer Indirect synthesizers operate by “locking” the output of a frequency source usually a VCO to that of another “cleaner” source known as the reference ...A ...

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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

... DCO in ADPLLs may be a combination of DAC & VCO or simply a DCO which produces a frequency output for FDC/TDC. The frequency synthesis in ADPLL is decided by the DCO output signal phase. Hence designing of ...

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Title: Analysis and Design of a Three-Phase PLL Structure

Title: Analysis and Design of a Three-Phase PLL Structure

... An incomplete list of specific tasks accomplished by PLLs include carrier recovery, clock recovery, tracking filters, frequency and phase demodulation, phase modulation, frequency synthesis, and clock ...

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Implementation and Analysis of Signal Tracking Loops for Software Defined GPS Receiver

Implementation and Analysis of Signal Tracking Loops for Software Defined GPS Receiver

... tracking loop or Delay Locked Loop (DLL) is for tracking of code phase of the ...90˚ phase shifted version of ...code loop discriminator is an error function that depends on the ...

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