Altium Education | Altium – Adding Shielding Vias to a Net

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

The program, which is an evolution and combination of previous products, uses a freemium business model with a free plan and two paid levels, including various amounts of storage, tools, and online access to drawings.

In its initial iOS version, AutoCAD WS supported drawing of lines, circles, and other shapes; creation of text and comment boxes; and management of color, layer, and measurements — in both landscape and portrait modes. Version 1. In , Autodesk announced plans to migrate the majority of its software to ” the cloud “, starting with the AutoCAD WS mobile application.

AutoCAD is licensed, for free, to students, educators, and educational institutions, with a month renewable license available. Licenses acquired before March 25, were a month license, with its last renovation on March 24, Objects created in the Student Version cannot be used for commercial use.

AutoCAD Release 12 in was the first version of the software to support the Windows platform – in that case Windows 3. Autodesk stopped supporting Apple’s Macintosh computers in Over the next several years, no compatible versions for the Mac were released. The main difference is the user interface and layout of the program.

The interface is designed so that users who are already familiar with Apple’s macOS software will find it similar to other Mac applications.

From Wikipedia, the free encyclopedia. Commercial computer-aided design CAD and drafting software application. List of languages. Main article: AutoCAD version history.

Retrieved 29 March Retrieved Archived from the original on 27 October Retrieved 24 January PSpice creates an output file to store the simulation results, and such results are also graphically displayed within the OrCAD EE interface. OrCAD EE is an upgraded version of the PSpice simulator, and includes automatic circuit optimization and support for waveform recording, viewing, analysis, curve-fitting, and post-processing.

Subsequently an improved version SPICE 2 was available in the mids especially to support computer aided design. PSpice later included a waveform viewer and analyser program called Probe. Version 3. PSpice even the student version increases the students’ abilities to understand the behavior of electronic components and circuits.

The type of simulation performed by PSpice depends on the source specifications and control statements. PSpice supports the following types of analyses:. It is a web portal with access to resources for all things related to PSpice circuit simulator. Users can find datasheets, application notes, tutorials, videos, and also information about regional PSpice training events and webinars.

PSpice web portal provides extensive model library of more than 33, PSpice models which are also easily available with the PSpice Lite Download. This is done by either placing multiple sheet symbols that reference the same sheet in the Schematic Document or by including the Repeat keyword in the designator of a sheet symbol to instantiate a sheet multiple times. While this makes it easy to repeat circuitry, it also presents a challenge in terms of annotation.

In a multi-channel design, there can only be one logical instance of each component with its own unique designator no matter how many “copies” of it exist on the PCB. Rooms are regions that assist in the placement and annotation of components in multi-channel designs.

More specifically, a channel on the schematic is an instance of a repeated sheet and on the PCB each channel is represented by a room. Once components have been assigned to a room, they move when the room is moved allowing separate channels to be easily controlled and identified.

Logical designators are assigned to the components in the Schematic Editor View. Physical designators are assigned to the components when they are placed in the PCB design or when you have performed a Board Level Annotation.

In multi-channel designs, the logical designators for repeated channel components may be the same, but each component must have a unique physical designator in the PCB design. This can be accomplished by appending the Room Name to the component name as shown in the Component Naming field below. By controlling the multi-channel designator format in this dialog, you control the mapping from the single logical component in the Schematic Editor View to the multiple physical instances on the PCB.

The tab is essentially divided into two areas – Room Naming and Component Naming. The Multi-Channel tab allows for flexible default naming formats in multi-channel designs. Use the Room Naming Style drop-down to define the naming format you require for the rooms in your design.

These rooms are created by default when you update the project schematics to the PCB. There are five styles available — two flat and three hierarchical. As you select a room naming style from the list, the graphical representation is dynamically updated to reflect the naming convention that will appear in the design. The larger cross-hatch regions represent the upper-level channels or Banks and the shaded regions within represent the lower level channels.

When the design is compiled, a room is created for each sheet in the design including each bank and each lower-level channel. There are no restrictions on the character used for the level separator, however, a single non-alphanumeric character is easier to read. There are several designator formats available for naming components.

You can choose a format or define your own using valid keywords. Define the Component Naming format by selecting from the Designator Format drop-down list. There are eight predefined formats — five flat and three that can be used in a hierarchical context:. The Flat Designator Formats name each component designator in a linear progression, starting from the first channel, avoiding the duplication of designators.

If the Room Naming Style chosen is one of the two possible flat styles, then the style for the component designator will also be flat. However, if a hierarchical style has been chosen for the Room Naming Style , the component designator will also be hierarchical since the path information will be included in the format.

You can define your own component designator format by typing directly into the Designator Format field using valid keywords. Select from any combination of the following keywords to construct the format string. Name of the associated room as determined by the style chosen in the Room Naming Style field. Your design is constructed in the Editor tab. Compiled Documents physical representations of your design are visible and can be accessed by clicking on the Compiled Document tab located along the bottom of the Schematic Document in the design window.

Examples of workspace tabs. You can specify display preferences for the physical names in compiled documents on the Schematic – Compiler page of the Preferences dialog.

You also can use the associated drop-down to select how the objects are displayed. Choices include: Never display superscript expanded names are never displayed , Always display superscript expanded names are always displayed , or Display superscript if necessary expanded names are only displayed if they are different from the source.

Use the Design » Update PCB Document command to initiate a transfer process that will automatically create a component class for each schematic sheet in the design, a room for each component class, and group the components in each class in their room ready for placement. A key ingredient of good board design is component layout. In a large design, a component’s position on the board may have no relationship to its designator.

For example, R1 may end up on the opposite side of the board to R2. To make it easier to locate a component on the board, you can reassign the designators re-annotate the board positionally. The Positional Re-Annotate dialog includes a graphical representation of each method.

Each component is identified by its bounding rectangle excluding strings. The components are sorted into a list and the list is renumbered in that order to create the new component designations.

To compare two components in the X-direction, the left-side of the bounding rectangle is used. To compare two components in the Y-direction, the edge used depends upon the renumber direction: ascending-Y, use the bottom edge; descending-Y, use the top edge.

The Comparison Threshold option can be used as a buffer value when comparing two edges to determine if they are equal. For example, if two left-edges are within This allows for slightly misaligned components to be re-numbered in a logical order as shown in the image below. Here R27 is lower than the other resistors to keep it correctly annotated with the adjacent resistors the Comparison Threshold was set to 10mils. A series of resistors that have been positionally re-annotated. Note that R27 has remained in the annotation sequence even though it is lower than the other resistors.

The Annotate Scope options also give control of the annotation process for boards with components mounted on both sides. For the Bottom Side of the board, components are re-annotated as if you are looking at the board flipped over. So, for the X-direction comparison on the back-side, the software actually uses the right edge of the bounding rectangle remembering that viewed from the back side, this edge would look like the left side.

Note that a rotated component is identified by the smallest bounding rectangle that encompasses the original bounding rectangle in its new rotated orientation as shown in the images below. The image on the left shows the bounding rectangle for R2; the image on the right shows the new bounding rectangle when R2 is rotated.

The file lists initial and re-annotated designator values. WAS file also can be used to load the changes into the schematic if the PCB and schematic files are in different locations. To prevent a component from having its designator re-assigned, enable the Protect Locked Designators checkbox in the Positional Re-Annotate dialog and ensure that the Strings locked icon is enabled in the associated Properties panel as shown below.

You can either choose naming options that result in a short name or display the original, logical component designation instead. This would necessitate some other notation being added to the board to indicate the separate channels, such as a box being drawn around each channel on the component overlay. If you choose to display the logical designators for components in a multi-channel design, these will be displayed on the PCB and in any output generated such as prints and Gerbers.

Some of the advantages are:. With an Altium Workspace, you’ll benefit from a richer set of collaborative features, including Global Sharing. And because it is cloud-based, you get the latest version of the Workspace without having to worry about manual upgrades.

Read more about Designing with a connected Workspace. Altium Designer provides the ability to place components directly from a company database, by creating and using a Database Library. Placement is carried out from the Components panel which, after installing a database library, acts as a browser into your database. After placement, design parameter information can be synchronized between placed components and their corresponding linked records in the database.

Full component updates — including the graphical symbol, model references, and parameters, can be performed. Parametric information from the database can also be included in the final Bill of Materials BOM , ready for component procurement. With the release of Altium Designer version To link from design components to a database in a bit version of Altium software, the backend database engine must also be bit. If you use Microsoft Access or Excel to manage the backend data and have a bit version of Office installed, it is possible to install the bit Microsoft Access database engine as well.

For detailed information about how to do this, follow the instructions in the Using Database Libraries with bit and bit Altium Design Software on the same Computer article. If you attempt to connect via the bit Microsoft Access database engine, the following error message will appear.

Note that certain connection errors, such as incorrect syntax in the Provider details of the Connection String , can result in the wrong database engine being called and the error dialog shown above appearing, after installing the bit database engine. Read about Working with Database Libraries. If you need to keep your components locally, on your file system, you can organize your components into file-based libraries. An Altium Designer file-based library is an arbitrary collection of models or components.

How the models or components are organized into libraries is up to you. You might structure your libraries around device suppliers, or you might cluster components by function, for example, with a library for all of the microcontrollers your company uses.

PcbLib and model files.

 
 

Altium designer pricing – Page 1

 

Maintenance Updates. Schematic Capture. Unified Library Management. Mixed Simulation. Board Layout. Interactive Routing. MCAD Collaboration. Data Management. Manufacturing Outputs. Fabrication Drawings. Starting at. Perpetual License Buy an Altium Designer license once, and use it forever. Starting at price3. Buy now.

Something else we can help with? How does On-Demand licensing work? Can I import my existing Design Data? What is included in the price? What are my recurring costs after year one? Are other add-ons required? Full Stack — the via diameter can be specified for every signal layer.

Diameter — diameter of the shielding vias. Thermal Relief — check the Direct box then click to open the Connect Style dialog to specify the connection style. Solder Mask Expansion. Rule — enable this option to allow the existing solder mask expansion rule to take effect on the shielding vias. Manual — enable this option to edit the mask expansion values below for these shielding vias.

Top — enter the required mask expansion for the Top Layer. Bottom — enter the required mask expansion for the Bottom Layer. Top Tented — if this checkbox is enabled, the mask is closed on the Top Layer for these shielding vias.

Bottom Tented — if this checkbox is enabled, the mask is closed on the Bottom Layer for these shielding vias. Linked — if the Linked option is enabled, the same expansion value is used for both the Top and Bottom layers. From Hole Edge — enable this option to calculate the mask expansion from the edge of the drill hole instead of the edge of the via donut. Stitching Parameters. Constrain Area — enable to constrain via stitching to a specific area. After selecting the option, you will be taken to the design space.

After using the cross-hair cursor to define the constrain area, right-click to return to the dialog. Edit Area — click to edit the constrain area. The stitching pattern will placed within the constrain area, starting at an offset of the specified X and Y amount.

Grid — the distance between the center of adjacent stitching vias. Stitching vias will not be placed in violation of applicable design rules; if a potential via site would result in a violation that site is skipped.

Stagger alternate rows — alternate rows of shielding vias are offset by half of the Grid value. Since potential stitching sites are determined by the stitching grid, it is likely they will be further apart than this setting. Net — the net to which the via stitching is currently assigned. Change the net assignment by clicking in the field and choosing a net from the drop-down list.

Hole Size — size of the hole in the stitching vias. Tolerance — negative and positive tolerances allowed for the stitching vias.

Diameter — diameter of the stitching vias. Rule — enable this option to allow the existing solder mask expansion rule to take effect on the stitching vias. Manual — enable this option to edit the mask expansion values below for these stitching vias. Top Tented — if this checkbox is enabled, the mask is closed on the Top Layer for these stitching vias. The Wall Street Journal. Hurley, Shaan. Between the lines. DigiBarn Computer Museum. Retrieved 12 November Michael Riddle’s Thoughts.

Plantec, Peter 7 January Studio Daily. Access Intelligence. Grahame, James 17 May Retro Thing. Wikibooks has more on the topic of: AutoCAD. Autodesk AutoCAD. CAD software. History of CAD software.

Autodesk products. Autodesk Inventor Navisworks. Hidden categories: Articles with short description Short description matches Wikidata Commons category link is on Wikidata.

Namespaces Article Talk. Views Read Edit View history. The Simulator is a true mixed-signal simulator, meaning that it can analyze circuits that include both analog and digital devices. The Simulator uses an enhanced version of the event-driven XSpice. Inside every electronics product is a printed circuit board, or PCB. Today, the components have shrunken so much they are measured in fractions of a millimeter rather than centimeters, and track widths have shrunken from being 10 mil wide, well spaced lines, to thin, 2 or 3 mil hair-like lines that are tightly packed together.

Rising signal speeds has also seen the PCB interconnects change from being simple copper conduits that carry electrical energy, to behaving as high-speed transmission lines, requiring design techniques to cater for this.

The mechanical requirements have also become more complex. Compact, unusually shaped modern electronic products require compact, unusually shaped printed circuit boards which are often implemented as rigid-flex structures – these boards can have curved edges and cutouts, requiring carefully positioned components. Draftsman provides an advanced, yet flexible graphical editing environment for creating board design production documents.

Based on a dedicated file format and set of drawing tools, the Draftsman drawing system provides an interactive approach to bringing together fabrication and assembly drawings with custom templates, annotations, dimensions, callouts, and notes.

Draftsman offers automated placement of assembly and fabrication drawings on demand, and includes a wide range of manual drawing tools that can be used to add important details and highlighting to its multi-page documents. The final phase of the board design cycle is to generate the output files needed to fabricate, assemble and test the printed circuit board.

To do this, you need to generate a variety of output files in a variety of formats. As the designer, you have the choice of individually configuring and generating the outputs via the schematic and PCB editor, or alternatively, you can add all of the required outputs into an OutputJob and then generate them as part of the project release process. Many products include multiple, interconnected printed circuit boards.

Bringing these boards together inside the enclosure and ensuring they correctly connect to each other is a challenging phase of the product development process. Have the nets been assigned correctly on each connector? Are the connectors oriented correctly? Do the plug-in boards fit together? Do all of the connected boards fit into the enclosure? Managing this requires a design environment that supports system-level design. Ideally, this will be a design space where you can define both the functional, or logical system, as well as a space where you can plug together the various boards and verify that they connect correctly, both logically and physically.

An electronics design is a collection of connected components. The rewarding part of product development is coming up with cool ways of solving those engineering challenges, connecting those components to craft your unique design. However, a large part of the work, and to many designers, the more tedious part, is creating the components. While it might not be exciting, the components become a valuable resource for your company, and it is essential that they accurately represent the real-world component.

 

Altium Price Rises – Page 1

 

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Get License Learn More. Show More Show Less. Bil Herd, Electronics Design Legend. Regular updates from Altium have also made significant design improvements; the team has found the features easy to learn and adopt. Get My Free Llcense. Altium – Where Engineers Create the Future.

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