Logic analyzers differ from each other mainly in the number and type of channels, the presence of a buffer, and the frequency of sampling.Ī small comparison table with the characteristics: To whom it became interesting welcome under kat. A logic analyzer is essentially similar to an oscilloscope, but if the main task of an oscilloscope is displaying a change in an analog signal with which it does a great job, then the goal of a logic analyzer is to record a digital (but not always only digital) signal with its subsequent analysis in convenient programs.īelow I will describe the experience with logic analyzers Logic Pro 8 from Saleae at the cost of about $ 480 and DSLogic Pro from DreamSourceLab (most likely a copy) at the price of $ 99 I got for $ 73. Much nicer such a problem is solved using a logic analyzer. In general, you can use a digital oscilloscope for this, but 4-channel oscilloscopes are quite expensive, and this is not very convenient. To finally understand why everything is written “correctly,” but nothing works. Often when developing or debugging radio-electronic devices consisting of several components (microcontroller, ADC, I2C memory, etc.) I want to look at the communication of these components among themselves.
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