Mirrored Transistors Placed On Schematic Sheet Placing the Resistors The cursor will revert to a standard arrow. Once again, a copy of the transistor attached to the cursorwill be placed on the schematic, and the next transistor will be floating on the cursor ready to be set.ġ0) Exit part placement by clicking the Right Mouse Button or pressing the ESC key. You should now be able to see the grid lines.ĩ) Once positioned, left mouse click or press Enter to place Q2. To position the component more accurately, press the PageUp keytwice to zoom in two steps. This flips the component horizontally (along the X-axis).Ĩ) Move the cursor to position the part to the right of Q1. To flip the orientation of the transistor that is floating on the cursor, press the X key on the keyboard.
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Because it is the same as the previous one, the software will automatically increment a component’s designator.ħ) Referring to the rough schematic diagram shown before, notice that Q2 is drawn as a mirror of Q1. Once the transistor is in the desired position, left mouse click or press Enter on the keyboard to place the transistor onto the schematic.Ħ) The system remains in component placement mode with the part outline floating on the cursor. In the Properties section of the dialog, type Q1 into the Designator field.ĥ) Continue placement by clicking on the pause button that is displayed in the center of the schematic. Do not place the transistor yet!Ĥ) Before placing the part on the schematic, press the Tab key to open the properties panel and pause placement. Version of the transistor floating on your cursor. The cursor will change to a cross hair and you will have an outlined Refer to the rough schematic sketch above for the general layout of the circuit, and place 2N3904 transistors Q1 and Q2.ġ) Display the Libraries panel by clicking the Panels button at the bottom right of the software, and select Libraries.Ģ) Find the 2N3904 transistor in the panel by either scrolling through the component list or by using the search button.ģ) Click on the 2N3904 entry, then click the Place button. PLACING THE COMPONENTS ON THE SCHEMATIC DIAGRAM Save the schematic by clicking Save or selecting File » Save (shortcut: F, S). To make the document fill the viewing area, select View » Fit Document (shortcut: V, D). Setting Page Size in the Preferences Panel Also, you can customize many aspects of the workspace including repositioning and customization of panels and toolbars.Īctive Bar icons which have a triangle in the lower right allow you to right-click on them to select different objects for placement:īus Entry on Schematic Document Active Bar SETTING SCHEMATIC SYMBOL PREFERENCESīefore composing the circuit, set up the appropriate document options by completing the following steps:ġ) Set the sheet size to Letter as shown in the following guide: The Active Bar is displayed in all document editors in Altium Designer and provides placement controls for PCB, schematic, Draftsman, and library objects at your fingertips. When the blank schematic sheet opens, the main menu bar and related buttons change in context for schematic entry displaying the Active Bar in the workspace. (The file extension *.SchDoc is automatically added). Type the name Multivibrator in the File Namefield and click Save. Projects Panel ADDING A SCHEMATIC TO THE CIRCUIT BOARD PROJECTġ) Right-Click on Multivibrator.PrjPcb and select Add New to Project » Schematic.Ĭreate a New Schematic Sheet for the CircuitĢ) To save the new schematic sheet, select File » Save As or select Save. Choose or create the project directory and save the project withthe name Multivibrator.ģ) The project name will appear in the Projects panel. File » New » Project » PCB Project.Ģ) Use File » Save Project As… to save the new project. More information about managing and creating Altium projects can be found here.ġ) Create a New PCB Project. The PCB project is the set of design documents (files) required to specify and manufacture a custom PCB circuit board. The circuitis shown below it uses two 2N3904 transistors configured as a self running astable multivibrator.Ĭapturing (drawing) the schematic is the first step of the tutorial, but first a project must be created. The design that will be captured and implemented as a printed circuit board (PCB) is a simple astable multivibrator.
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New users of Altium software may find value in reading the article Exploring Altium Designer for an explanation of the interface, information on how to use panels, and guidelines for managing design documents. This tutorial is based on an astable multivibrator design.
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