<< Chapter < Page Chapter >> Page >
This module provides a brief introduction to electrical and electronic component manipulation in National Instruments Multisim. Multisim is fully featured SPICE schematic capture and simulation tool used for circuit design, simulation, and in combination with Ultiboard for layout of custom PCBs.

Component placement, rotation, selection and wiring

Placement, rotation, and selection

Once parts have been selected from their respective database, it is time to place them onto the schematic,and wire them together. Double-clicking on a component in the browser will attach that component to the cursor. This behavior isknown as“ghosting”. Ghosting helps guide users when placing components anywhere on the schematic by left-clicking at thedesired location.

Components can also be rotated while ghosting, and any time after placement. To rotate a part while ghosting,press Ctrl-R. Ctrl-R will also work when a placed component is selected. Placed components can also be rotated by right-clickingon them and selecting 90 Clockwise or 90 CounterCW.

Component Rotation
Replacing Components

To select a component, simply-left click on it. To select multiple components, click and drag to create aselection around the desired components. A dashed line indicates that a component is selected. Individual elements of a symbol canalso be selected, such as the component value and reference designator. To select these, left-click on the desired text orgraphic element.

Holding the Shift key while selecting allows multiple components to be selected or de-selected.

Components can be replaced by right-clicking on them then selecting Replace Component(s) from the right-clickmenu. Users can then select the replacement components from the newly opened component browser. Multisim will connect the newcomponent to the same nets as the original component.

Wiring

Multisim provides modeless operation—the action performed by the mouse cursor is dependent on the cursor’s location. There is no need to select a tool, or mode when workingwith Multisim. The cursor will change depending on what object is underneath it. describes the different icons that the mouse cursorwill display.

When the cursor is over a pin or terminal of a component, that component can easily be wired by left-clicking.When the cursor is over an existing wire and near a pin or terminal the net can easily be re-wired.

Left-click on the terminal to begin wiring, and to finish the wire, left-click on the destinationterminal.

When a wire is placed, Multisim will automatically assign it a net number. Net numbers increasesequentially, beginning with 1. Ground nets are always numbered 0—a requirement of the underlying SPICE simulator. To change a net number, or assign it a logical name instead, simply double-click onthe wire.

Modeless Mouse Cursors
Naming Nets

Autowiring by touching pins

Multisim also allows auto-connection of pins to wires, and pins to pins. To automatically connect a component toexisting nets or pins, simply place that component so that its pins are touching an existing net or pin.

Autowiring by Touching Pins

Autoconnect passives

Multisim provides the ability to place a component in-line with an existing wire or set of wires. Toautomatically split an existing wire around a component, simply place that component in-line with the wire (Figure 6).

Autoconnect Passives

Questions & Answers

the diagram of the digestive system
Assiatu Reply
How does twins formed
William Reply
They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
Oluwatobi
what is genetics
Josephine Reply
Genetics is the study of heredity
Misack
how does twins formed?
Misack
What is manual
Hassan Reply
discuss biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles
Joseph Reply
what is biology
Yousuf Reply
the study of living organisms and their interactions with one another and their environments
AI-Robot
the study of living organisms and their interactions with one another and their environment.
Wine
discuss the biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles in an essay form
Joseph Reply
what is the blood cells
Shaker Reply
list any five characteristics of the blood cells
Shaker
lack electricity and its more savely than electronic microscope because its naturally by using of light
Abdullahi Reply
advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
Abdullahi
cell theory state that every organisms composed of one or more cell,cell is the basic unit of life
Abdullahi
is like gone fail us
DENG
cells is the basic structure and functions of all living things
Ramadan
What is classification
ISCONT Reply
is organisms that are similar into groups called tara
Yamosa
in what situation (s) would be the use of a scanning electron microscope be ideal and why?
Kenna Reply
A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
Hilary
cell is the building block of life.
Condoleezza Reply
what is cell divisoin?
Aron Reply
Diversity of living thing
ISCONT
what is cell division
Aron Reply
Cell division is the process by which a single cell divides into two or more daughter cells. It is a fundamental process in all living organisms and is essential for growth, development, and reproduction. Cell division can occur through either mitosis or meiosis.
AI-Robot
What is life?
Allison Reply
life is defined as any system capable of performing functions such as eating, metabolizing,excreting,breathing,moving,Growing,reproducing,and responding to external stimuli.
Mohamed
Got questions? Join the online conversation and get instant answers!
Jobilize.com Reply

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Introduction to multisim schematic capture and spice simulation. OpenStax CNX. Sep 26, 2006 Download for free at http://cnx.org/content/col10369/1.3
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Introduction to multisim schematic capture and spice simulation' conversation and receive update notifications?

Ask