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Denis2015-01-29 12:29:18
Do it yourself
Denis, 2015-01-29 12:29:18

How to make signal transmission from oscilloscope to computer in real time?

Hello. A little preface: Imagine there are two antennas. One sends a signal, the other receives. The one that receives, after receiving it, sends a signal to an analog-to-digital converter and from there to a computer. Here is an approximate scheme of work.
All this is related to the question in the following way. They gave me a task at my research institute to use an oscilloscope instead of an analog-to-digital converter that costs a lot of money and takes up a lot of space. The task was outlined something like this: it receives a signal, and you transmit this signal to the computer. I'm sitting here right now thinking about how to do it. The main condition, as already indicated in the question, is to ensure transmission as close to real time as possible, that is, without delay or with a small delay.
I am very interested in whether it is possible to provide this using the tools built into the oscilloscope itself, that is, without writing code. Agilent MSOX2024A oscilloscope. Has anyone already done something similar?
Thanks for the answer!

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3 answer(s)
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Eddy_Em, 2015-01-29
@Eddy_Em

Webcam.
Or take a digital oscilloscope with the ability to connect via a particular interface.
Naturally, there can be no talk of any real time. Only buffers.
I advise you to explain this to the stubborn bosses and buy a Chinese clone of Saleae logick for ~ 800 rubles on eBay instead of expensive products.
By the way, why are the required sampling frequency, ADC bit depth and the desired accuracy not described?
And then, maybe, a sound card is enough for the eyes?

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Condensed milk-chan, 2015-01-29
@wing_pin

If you have frequencies in the range of 60-1700 MHz, then here is a good option

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Alexander, 2015-01-29
@yaka

It all depends on the task: if you need to receive a continuous signal without loss (that is, to implement a receiver), then it will work only for very short times - while the internal memory is filled with samples.
If it is enough to receive several tens of oscillograms per second (10 ... 30) for display and surface processing in almost real time, then this oscilloscope is normally connected via a network or via USB. No cameras or mirrors. Further depends on the environment: VISA libraries, VXI-11 protocols, SCPI/SICL.
This is how I work with an Agilent network analyzer. The main part of the data is processed by itself, very little data is transmitted over the network several times per second. Programs on GTK, Qt, NI VISA.

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