Results 51 to 60 of about 84,601 (236)

Signal Synchronization, Collection and Transmission for Multichannel Distribution Seismic Antenna

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2018
Creation of seismic antennas involves production of a system capable to provide synchronous analog-to- digital data signal conversion of all channels and to broadcast digitized signals to the central computing complex (CCC).
A. D. Volodin   +3 more
doaj   +1 more source

Design and Implementation of FPGA based linear All Digital Phase-Locked Loop for Signal Processing Applications [PDF]

open access: yes, 2012
This project presents a linear all-digital phase locked loop based on FPGA. In this ADPLL the phase detection system is realized by generating an analytic signal using a compact implementation of Hilbert transform and then simply computing the ...
Das, Abhishek, Dash, Suraj
core  

A Scalable, Self-Analyzing Digital Locking System for use on Quantum Optics Experiments

open access: yes, 2011
Digital control of optics experiments has many advantages over analog control systems, specifically in terms of scalability, cost, flexibility, and the integration of system information into one location.
B. C. Buchler   +6 more
core   +1 more source

Noise shaping Asynchronous SAR ADC based time to digital converter [PDF]

open access: yes, 2018
Time-to-digital converters (TDCs) are key elements for the digitization of timing information in modern mixed-signal circuits such as digital PLLs, DLLs, ADCs, and on-chip jitter-monitoring circuits.
Katragadda, Sowmya
core   +1 more source

DIGITAL CONTROLLED OSCILLATOR (DCO) FOR ALL DIGITAL PHASE-LOCKED LOOP (ADPLL) – A REVIEW

open access: yesJurnal Teknologi, 2019
Digital controlled oscillator (DCO) is becoming an attractive replacement over the voltage control oscillator (VCO) with the advances of digital intensive research on all-digital phase locked-loop (ADPLL) in complementary metal-oxide semiconductor (CMOS)
Florence Choong   +6 more
semanticscholar   +1 more source

Analysis and equalization of data-dependent jitter [PDF]

open access: yes, 2006
Data-dependent jitter limits the bit-error rate (BER) performance of broadband communication systems and aggravates synchronization in phase- and delay-locked loops used for data recovery.
Buckwalter, James F., Hajimiri, Ali
core   +1 more source

Phase Locked Loop Test Methodology [PDF]

open access: yes, 2008
Phase locked loops are incorporated into almost every large-scale mixed signal and digital system on chip (SOC). Various types of PLL architectures exist including fully analogue, fully digital, semi-digital, and software based.
Burbidge, Martin, Richardson, Andrew
core  

Analysis of frequency synthesisers for multistandart wireless transceiver / Dažnio sintezatorių daugiastandarčiams bevielio ryšio siųstuvams ir imtuvams analizė

open access: yesMokslas: Lietuvos Ateitis, 2016
Frequency synthesiser is one of most important blocks in wire-less transceiver. Generally phase locked loop (PLL) is used as frequency synthesiser in multistandart wireless transceivers.
Marijan Jurgo, Romualdas Navickas
doaj   +1 more source

Digital second-order phase-locked loop [PDF]

open access: yes, 1973
A digital second-order phase-locked loop is disclosed in which a counter driven by a stable clock pulse source is used to generate a reference waveform of the same frequency as an incoming waveform, and to sample the incoming waveform at zero-crossover ...
Carl, C., Holes, J. K., Tegnelia, C. R.
core   +1 more source

Versatile Digital GHz Phase Lock for External Cavity Diode Lasers

open access: yes, 2009
We present a versatile, inexpensive and simple optical phase lock for applications in atomic physics experiments. Thanks to all-digital phase detection and implementation of beat frequency pre-scaling, the apparatus requires no microwave-range reference ...
Appel, Jürgen   +2 more
core   +1 more source

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