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Lab05_Pspice Oscilloscope - SIMULATIONS USING PSPICE...

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SIMULATIONS USING PSPICE & OSCILLOSCOPE TRAINING DRILL In this experiment the student will explore circuit simulations using MicroSim’s Pspice followed by an oscilloscope training drill using Virtual Bench. Pspice Tutorial : 1. Launching the schematic editor: The schematic editor interface to PSpice may be either be launched from the desktop or from Window’s start menu. It can be found in Start => Programs => MicroSim Pro 8 => Schematics . Below is a figure of the Schematic editor interface. Figure 5.1. MicroSim Schematics editor 2. Placing Parts: MicrSim’s schematic editor describes several ways of selecting and placing parts. Two of these options are available from the toolbar. If the user knows the name of the part in question, it may be directly accessed from empty text field in the toolbar. This is known as the Get Recent Part list box. This field not only allows the user to select new parts, but it also keeps track of recently used parts for quick access. Below is a figure of the parts and wire toolbar where this option may be found. Figure 5.2. Parts and wire toolbar. In addition to this, PSpice keeps an extensive parts library from which the user can browse through. Again, this option may be directly accessed from the toolbar. To enable this option press the button to the immediate left of the Get Recent Part list box. Pressing this button should enable the dialog box presented below.
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Figure5. 3. Part Browser dialog box. Figure 5.3 above presents one of the two dialog boxes that may appear. These may be the Part Browser Advanced and Part Browser Basic dialog boxes. Although both modes can be used to select parts, Part Browser Advanced provides extended options for part placement. These include descriptive searches as well as a symbolic representation of the selected part. You can switCH- Between modes by selecting the Basic or Advanced buttons. In addition to the above method the part browser dialog box may also be accessed at Draw => Get New Part or by using the <Ctrl-G> shortcut. 3. Placing Wires: PSpice defines several methods for wire placement. Again, this option may be accessed from the toolbar in Figure 5.2. To place wires simply select the leftmost available icon on the toolbar. In addition to this method wires may be placed from both Draw => Wire or by selecting the <Ctrl-W > shortcut. 4. Placing Markers: Markers allow users to specify where voltage and current waveforms are to be analyzed and simulated on the circuit from the schematic. Markers may be accessed by selecting Markers from the drop down menu. Below is a description of several of the available options. Mark Voltage Level - Measures voltage level with respect to ground. Mark Voltage Differential - Measures the differential voltage between two user defined points.
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