The logic analyzer is a commonly used analytical instrument. After the measured data signal is written into the memory in digital form, all or part of the data in the memory can be stably displayed on the screen through the control circuit as needed. The user of the logic analyzer display form knows? The following small series will introduce the four display forms of the logic analyzer, hope to help everyone.
Timing display
The timing display displays the contents of the memory on the screen in the form of a waveform diagram represented by a logic level. The display shows a series of waveforms similar to a square wave after shaping. The high level represents "1" and the low level represents " 0". Since the displayed waveform is not the actual waveform, it is also called "pseudo-waveform".
Status table display
The status table display displays the contents of the memory on the screen in various values ​​such as binary, octal, decimal, and hexadecimal.
Graphical display
The graphical display is a way to display the X direction of the screen as the time axis and the Y direction as the data axis. The digital quantity to be displayed is converted into an analog quantity by a D/A converter, and the analog quantity is displayed on the screen in the order of the digital quantities taken out in the memory to form a dot matrix of an image.
Image display
The image display is to display all the contents of the memory in a dot chart at a time. It divides each memory word into two parts, high and low, which are converted into analog quantities by X, Y direction D/A converters respectively, and sent to the X and Y channels of the display, then each memory word illuminates one on the screen. point.
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