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MULTICHANNEL DATA ACQUISITION SYSTEM


Posted by: seminar surveyer
Created at: Tuesday 05th of October 2010 02:07:05 AM
Last Edited Or Replied at :Sunday 02nd of January 2011 10:35:43 PM
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t digital computer can accept, and can also regenerate analog and other control signal from computer instruction.
- These features provide extensive capabilities for mathematical analysis, storage, display, report generation, control and communication.
- Most of real world data signal like temperature, pressure, flow, speed, intensity, position etc. cannot be read directly into electrical signal.
- Transducers are used for this purpose, and the data in form of continuous analog output levels has to be translated into digital from to suit the computer.


Various configuration of data acqu..................[:=> Show Contents <=:]



Multichannel Data Acquisition Systems


Posted by: seminar addict
Created at: Friday 20th of January 2012 04:17:24 AM
Last Edited Or Replied at :Friday 20th of January 2012 04:17:24 AM
a Acquisition Systems



Precision Analog Applications Seminar

Multiplexing allows one ADC to do the work of several in a multichannel system. Rather than dedicating an ADC to each channel, a single converter can read every channel in sequence. This can save power, since ADCs can use a significant amount of power while switches use very little, and it can save cost, since switches are much cheaper than ADCs.


A multiplexed system using a delta-sigma converter typically has the form shown. The major change is that the anti-aliasing filt..................[:=> Show Contents <=:]



MULTICHANNEL DATA ACQUISITION SYSTEM


Posted by: seminar surveyer
Created at: Tuesday 05th of October 2010 02:07:05 AM
Last Edited Or Replied at :Sunday 02nd of January 2011 10:35:43 PM
data acquisition system, data acquisition board , data acquisition toolbox, data acquisition unit , data acquisition labview, data acquisition hardware , free data acquisition software, multi channel retailing , multi channel marketing, multichannel analyzer , multi channel commerce, multi channel temperature scanner , multi channel audio, multi channel data logger , multi channel integration, multi channel monitor , SYSTEM, ACQUISITION , DATA, MULTICHANNEL , data acquisition system project report, single channel data acquisition system , types of data acquisition system, seminar topics on data acquisition system , multichannel data acquisition system, data acquisition system seminar topics , temperature daq, multiplexing ppt in data acquisation system , data acquisition, data acquisition system , multiple channel data acquesition ppt, multi channel data acquisition system , ppt on data acquisition system and loggers, single channel das , multi channel data acquisition systems, multi channel data aqusition systems , data acquistion system, multichannel das , single channel and multi channel data acquisition systems,
vider. The output of divider and excitation is fed to amplifier. So that the output of amplifier is the ratio of the amplifier output voltage to the excitation voltage.




B. Logarithmic conversion:

- This circuit enables the measurement of a fractional change in the input as a percentage of the input magnitude.
- Consider that a change of 1% i.e. the input changes from 100mV to 101mV. The output of the logarithmic amplifier would change by,





Application of DAS:
The applications of data acquisition system are as follow:
1. It is used for c..................[:=> Show Contents <=:]



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