LTspice-How to Operate Commands for a Schematic

In this article, I will introduce LTspice XVII's "Commands for drawing schematics".

If you want to learn how to make a circuit diagram with LTspice XVII, I recommend that you first make a circuit diagram and keep in mind while referring to the following article.

Commands on the initial screen

Menu bar

File

File	Explanation
New Schematic	Create a new schematic
New Symbol	Create a new symbol
Open…	Open existing file
New Library -Capacitor	Create a new library of capacitor device models
New Library -Inductor	Create a new library of inductor device models
New Library -Resistor	Create a new library of resistor device models
Print Setup	Printer settings
Print Monochrome	Setting for black and white printing
"Recent Files" Example C:¥Users¥…¥plot.defs	Open "Recent Files"
Exit	Exit LTspice

View

View	Explanation
Toolbar	Display toolbar when checked
Status Bar	Display status bar when checked
Windows Tabs	Display windows tabs when checked

Tools

Tools	Explanation
Control Panel	Open control panel (Various settings of LTspice are possible)
Color Preference	Open color palette Editor (Color change of the screen of LTspice is possible)
Sync Release	Update of LTspice programs and model libraries

Help

Help	Explanation
Help Topics	Open help file
About LTspice ⅩⅤⅡ	Display version information of LTspice
ShowChange Log	Display LTspice's program update history

Tool bar

Icon	Tool bar Menu	Explanation
	New Schematic	Create a new schematic
	Open	Open existing file
	Control Panel	Open control panel (Various settings of LTspice are possible)
	Search	Search for letters on schematic (The color of the corresponding part changes)

Commands on the Schematic editor

Menu bar

File

File	Explanation
New Schematic	Create a new schematic
New Symbol	Create a new symbol
Open…	Open existing file
Save	Overwrite save
Save As	Save as
Close	Close open file
Print…	Print configuration
Print Preview	Print preview
Print Setup…	Printer settings
Print Monochrome	Setting for black and white printing
“Recent Files” Example C:¥Users¥…¥plot.defs	Open “Recent Files”
Exit	Exit LTspice

Edit

Edit	Explanation
Undo	Cancel operation
Redo	Redo operation
Text	Place text
SPICE Directive'S'	Enter dot command
SPICE Analysis	Enter simulation command
Resistor	Place resistance
Capacitor	Place capacitor
Inductor	Place inductor
Diode	Place diode
Component	Place various parts (Select from "Select Component Symbol")
Rotate	Rotate parts
Mirror	Flip parts
Draw Wire	Draw wire
Label Net	Name the node
Place GND	Place GND
Place BUS tap	Do the BUS wiring
Delete	Delete parts and wiring etc.
Duplicate	Duplicate parts and wiring etc.
Move	Move parts and wiring etc.
Drag	Move parts with wiring
Paste	Place the copied parts and wiring etc.
Draw -Line	Draw a line
Draw -Rectangle	Draw a rectangle
Draw -Circle	Draw a circle
Draw -Arc	Draw a circular
Draw -Line Style	Select line type

Hierarchy

Hierarchy	Explanation
Open this Sheet's Symbol	Create symbols of circuit diagram
Create a New Symbol	Create a new symbol
Create a New Sheet	Create a new schematic editor

View

View	Explanation
Zoom Area	Zoom in
Zoom Back	Zoom out
Zoom to Fit	Auto scale
Pan	Set reference point of display
Show Grid	Display grid when checked
Mark Unconn. Pins	Display empty pins when checked
Mark Anchors	Display the reference point of the object when checked
Bill of Materials -Show on Schematic	Display the bill of materials for the schematic
Bill of Materials -Paste to clipboard	Copy the schematic bill of materials to the clipboard
Efficiency Report -Show on Schematic	Display efficiency report
Efficiency Report -Paste to clipboard	Copy efficiency report to clipboard
SPICE Netlist	Display net list of schematic
SPICE Error Log	Display log file of simulation results
Visible Traces	Display waveform graph
Autorange Y-axis	Autorange of Y axis scale of waveform graph
Marching Waves -(Re-)Start	Display the waveform as it travels
Marching Waves -Pause	Pause to display the waveform as it travels
Set Probe Reference	Change the reference point of the probe
Toolbar	Display toolbar when checked
Status Bar	Display status bar when checked
Window Tabs	Display windows tabs when checked

Simulate

Simulate	Explanation
Run	Start simulation
Pause	Pause simulation
Halt	Stop simulation
Clear Waveforms	Clear waveforms
Efficiency Calculation -Mark Start
Efficiency Calculation -Mark End
Control Panel	Open Control Panel (Various settings of LTspice are possible)
Edit Simulation Cmd	Open "Edit Simulation Cmd"

Tools

Tools	Explanation
Copy bitmap to Clipboard	Copy screen to clipboard in BMP format
Write image to .emf file	Save schematic in emf format
Control Panel	Open control panel (Various settings of LTspice are possible)
Color Preferences	Open color palette Editor (Color change of the screen of LTspice is possible)
Sync Release	Update of LTspice programs and model libraries
Export Netlist	Save netlist for printed circuit board creation

Window

Window	Explanation
Tile Horizontally	Place the screen on the left and right
Tile Vertically	Place the screen up and down
Cascade	Place the screen overlapping
Close Everything	Close all the screens
Arrange Icons	Arrange the minimized screens(icons) on the bottom left
Schematic file currently open Example Draft1.asc	Change schematic file

Help

Help	Explanation
Help Topics	Open help file
About LTspice ⅩⅤⅡ	Display version information of LTspice
Show Change Log	Display LTspice’s program update history

Tool bar

Icon	Tool bar Menu	Explanation
	New Schematic	Create a new schematic
	Open	Open existing file
	Save	Overwrite save
	Control Panel	Open Control Panel (Various settings of LTspice are possible)
	Run	Start simulation
	Halt	Pause simulation
	Zoom to rectangle	Zoom in
	Pan	Set reference point of display
	Zoom Back	Zoom out
	Zoom full extents	Auto scale
	Pick Visible Traces	Display waveform graph
	Autorange	Autorange of Y axis scale of waveform graph
	Tile Windows	Place the screen on the left and right
	Cascade Windows	Place the screen overlapping
	Close All	Close all the screens
	Cut	Delete parts and wiring etc.
	Copy	Copy parts and wiring etc.
	Paste	-
	Search	Search for letters on schematic (The color of the corresponding part changes)
	Print Setup	Printer settings
	Print	Print configuration
	Wire	Draw wire
	Ground	Place GND
	Label Net	Name the node
	Resistor	Place resistance
	Capacitor	Place capacitor
	Inductor	Place inductor
	Diode	Place diode
	Component	Place various parts (Select from “Select Component Symbol”)
	Move	Move parts and wiring etc.
	Drag	Move parts with wiring
	Undo	Cancel operation
	Redo	Redo operation
	Rotate	Rotate parts
	Mirror	Flip parts
	Text	Place text
	SPICE Directive	Enter dot command

Others

Multi monitor display

With LTspice XVII, it is possible to display screens such as the circuit diagram and waveform viewer separately. It can also be displayed on separate monitors as multiple monitors.

Right click of the mouse on the screen and check "Float Window".

If you move the top of the screen checked in "Float Window" while pressing the left button of the mouse, you can display the screen separately as shown in the above picture.

Thumbnail display of file icon

By displaying thumbnails of LTspice's file icons, you can check the schematics and symbols in the file.

Open the folder where the LTspice file is saved, and set the icon type to "Medium icons or more" size from "View".

As shown in the above icons (set as an "Extra large icons"), thumbnails are displayed, making it easy to find the file.