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Florian Jungbold

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14 May 2012 Capturing a waveform from an Agilent oscilloscope over a standard VISA interface MATLAB example to capture a waveform from an Agilent oscilloscope and grab a screenshot. Author: Vinod Cherian

@Graham

where did you place this code or when did you have to execute it?

Instead of (in the end of the code):
% Delete objects and clear them.
delete(visaObj); clear visaObj;
?

07 May 2012 Capturing a waveform from an Agilent oscilloscope over a standard VISA interface MATLAB example to capture a waveform from an Agilent oscilloscope and grab a screenshot. Author: Vinod Cherian

hey there,

did anyone try this example with the InfiniiVision DSO-X-3034A (3000 series DSO)?
I am a bit confused because the 3000 series is not mentioned here and on the agilent page for the "MATLAB Data Analysis Software for Agilent InfiniiVision and Infiniium Oscilloscopes" ( http://www.home.agilent.com/agilent/product.jspx?cc=DE&lc=ger&ckey=1559383&nid=-35491.868946.00&id=1559383&cmpid=21300 ). But there is a driver called "2000 and 3000 InfiniiVision X-Series Oscilloscope IVI and MATLAB Instrument Drivers" ( http://www.home.agilent.com/agilent/editorial.jspx?cc=DE&lc=ger&ckey=2019021&nid=-11143.0.00&id=2019021&pselect=SR.GENERAL ).

When i run this m-File, i get the figure with the plot of the measured values in Matlab, but in figure2 no bmp-File (Screenshot) is loaded. Overall i get these messages:
----------------------------
Instrument Error: -222,"Data out of range"

Warning: A binblock is not available to be read.
Warning: VISA: A timeout occurred
??? Error using ==> imbmpinfo at 27
File C:\Users\Florian.Jungbold\Downloads\SCPIScope\test1.bmp is empty.

Error in ==> readbmp at 15
info = imbmpinfo(filename);

Error in ==> imread at 443
[X, map] = feval(fmt_s.read, filename, extraArgs{:});

Error in ==> SCPIScope at 140
imageMatrix = imread('test1.bmp','bmp');
----------------------------

After writing such a long comment, i ask myself if it would be better to post this to the forum?
Greetings

03 May 2012 Lock in Amplifier Simulink Model of a Lock in Amplfier. Author: Predrag Drljaca

@Mike Schell
why does it not work as a lock-in?
what is wrong/not working?

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