If the icon is not enabled, the contents can still be edited. After placement, the icon is enabled, indicating that the placed via properties are defined in the library and are not editable anymore. In case a via is placed from a pad library ( *.PvLib), it will include the library name in the specified field. Library – this displays the via template that is stored in the current library. In case there is a library associated with the template, it is displayed as well. To select another template, the drop-down menu can be used. Template – this displays the current template that is used for the via. All vias implemented on the board must be from the via spans defined in the layer stack. This displays every via span that’s defined in the layer stack. Name – when one or more vias are selected, the via name is displayed by clicking the drop-down. Here you can choose the required net in the design workspace by typing the net name. In case there is no net, click the assign net button to open the dialog for the net name. Every net for the board design that is active will be displayed in the drop-down list. Net – utilize the drop-down list to choose the net that contains the via. The next step is to select the via object in the list of primitives to display the options on the right. This is available on the defaults page of the preferences dialog that can be retrieved through the button at the workspace’s top-right part. Pre-placement settings – object properties for a via that can be logically defined beforehand are accessible as editable default settings on the PCB Editor.
The property settings for every object type can be measured in two distinct ways: PCB Editor object properties are options that are used to define the visual style, content, and behavior of the placed object. In the next sections, we will discuss the method in which the pad, hole sizes, and types of vias are defined and designed. This may be a power, ground, or signal name. When the via is imported into the board it is assigned to a signal/net. Buried via – this via goes between two inner layers of the circuit board.Blind via – this type of via goes from either the top layer or bottom layer to the layer immediately next to it, and does not travel through the whole board.Through-hole via – this via goes from the top layer to the bottom layer of the board.The different types of vias are as follows: Therefore while designing the via, the pad sizes and hole sizes are defined. A typical through-hole via will have pads on the top layer, bottom layer, inner layers, and the hole that goes through the pad. 9 How do you set via design rules in Altium Designer? Via overviewĪ via connects different layers in the PCB and is composed of a barrel, pad, and annular ring.