5/1/2023 0 Comments Gui in ltspice for macUse radian measure in waveform expressions Selects the thickness of the cursor in the waveform graph. Select the line thickness of the waveform graph. In “Waveforms”, set the appearance of simulation waveform. The registered folder is automatically referenced when running the simulation. Library Search PathĮnter the folder path of the SPICE model you want to add. The path of the registered folder can be selected from “Top Directory” of “Select Component Symbol” when drawing a schematic. Symbol Search PathĮnter the folder path of the schematic symbol you want to add. LTspice users can register schematic symbols and SPICE models they want to add. When it is invalid, you can use the LTspice standard library. When it is valid, you can use LTspice standard devices. When it is invalid as default, parts will be netlisted in the order they were placed.īut when it is valid, they will be netlisted in the reverse order. In previous versions of LTspice, it was necessary to enable them to prevent garbled charactersīut since the latest version of LTspice XVII supports Unicode, there is no problem keeping the default disabled. When enabled, “μ (micro)”, which is used for auxiliary units such as capacitor capacity, is replaced with “u”. Since LTspice allows you to make various settin… Netlist Options Setting LTspice-Initial Setting In this article, we will introduce the “Initial Settings” when installing the latest version of LTspice XVII. When it is valid, the operation is reversed. When it is invalid, the mouse wheel button is set to zoom forward and backward to zoom. There is no problem with the default settings because of internal configuration parameters for ANALOG DEVICES. Sets the number of cancellations for the operation. When it is invalid, dragging diagonal lines cuts and translates diagonal lines. When it is valid, dragging a diagonal line will split it into two straight lines from where you drag. When it is invalid, you can drag the wire at any angle. When it is valid, forces the wiring to draw horizontally or at right angles. When it is valid, wire bends in the wire will be square. It can also be set from “View” on the menu bar. When it is valid, the grid will be displayed in the schematic editor. When it is valid, marks are displayed for unconnected pins. When it is valid, white circle points will be displayed as reference points next to part names, text, etc. When it is valid, the schematic scrolls automatically when you move the cursor with the mouse in the schematic editor and exit from the schematic area. When it is valid, it will be short-circuited even if you try to pierce through the parts and wire. When it is invalid, parts can be pierced and connected when wiring (overlap). It is necessary to invalidate it when using Bypass for evaluation inside IC. No Bypassīasically, there is no problem with default. Gmin stepping repetition count Accept 3K4 as 3.4K Relative error to detect steady state MinDeltaGmin GminĬonductance value applied to PN junction to facilitate convergence AbstolĪbsolute tolerance of current error Reltol The CPU utilization can be increased in the order of high> medium> low to reduce simulation time. The default is no problem for matrix compilers. There is no need to set this, as it automatically detects the number of threads according to the number of PC cores. Alternate:Simulation speed 1/2, internal precision 1000 times (Compared to Normal).Normal:Simulation speed 2x, internal accuracy 1/1000 (Compared to Alternate).Normally, the default is not a problem, as modified trap, which is the method of integrating differential equations, is the best. Select the integration method for simulation as follows. Basically, there is no problem with the default state. When it is valid, only transistor Ic (collector current) is saved. When it is valid, it saves the current flowing to each parts in the hierarchical circuit. When it is valid, saves the voltage at each node in the hierarchy circuit.
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