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Transcript
EENG 2910:
Circuit Design and Analysis Using PSpice
Class 2: Circuit Descriptions and Circuit Drawing
Oluwayomi Adamo
Department of Electrical Engineering
College of Engineering, University of North Texas
A Simple Demo

This step-by-step demo shows how to do the following:




Setting up simulation profile
Edit simulation profile
Place net alias; create netlist and view netlist
Show and hide current and voltage displays






Current is always the current entering the node connected.
Add and delete current and voltage markers
2.14 3mA
R1
Edit traces in PSpice AD
1
5.00 0V
Copy PSpice AD graphs
1k
1.42 9mA
Modify axis settings in PSpice AD
Copy results values to Word or Excel
V1

Copy graph to MS Word from menu:
“Window – Copy to Clipboard”, then
paste in MS Word
5V dc
2.14 3mA
0V
0
EENG 2910, Class 2
2
2.85 7V
71 4.3uA
R2
R3
2k
4k
Example 2.1


Draw circuits in Capture
Set up simulation profile from the menu: “PSpice – New Simulation
Profile”




Analysis Type is “Bias Point”
Once the simulation profile is created, you may edit it from the menu
“PSpice – Edit Simulation Profile”
Run simulation from the menu: “PSpice - Run”
Show and hide node voltages and currents values from menu:
“PSpice – Bias Point - Enable”
In PSpice, you don’t need
to include 0 V voltage
source to measure current
R1

R2
15.0 0mA
20.0 0V
12.5 0V
12.5 0mA
R3
Vs
10.5 0V
2.50 0mA
500
800
1k
52.5 0mA
50m Adc
20V dc
R4
0V
15.0 0mA
50.0 0mA
0V
0
EENG 2910, Class 2
Is
200
Example 2.2


Draw circuit in Capture
Set up simulation profile from menu: “PSpice – New Simulation Profile”






Analysis type is “DC Sweep” and the primary sweep variable is Vs (as shown in the figure).
Add current and voltage markers from menu: “PSpice - Markers”
Run simulation from the menu: “PSpice - Run”
PSpice AD will automatically run and show result graph
In PSpice AD, add or remove traces
from menu: “Trace”
Copy graph to MS Word from menu:
“Window – Copy to Clipboard”, then paste
in MS Word
20
10
0
-10
10V
V(R2:2)
15V
I(R2)
20V
I(R3)
V_Vs
25V
30V
EENG 2910, Class 2
Example 2.3
R1
R2
500
800
R3







Vs
I
1k
20V dc
50m Adc
Is
Draw circuit in Capture
Set up simulation profile
Add current marker for I(R2)
Run simulation
Change axis to linear scale in PSpice AD from menu: “Plot – Axis
Settings”
Copy result graph to Word
Copy result values to Word or Excel from menu: “Edit – Copy”, but
first select I(R2) under the axis in the graph.
R4
200
0
V_Vs
5
20
30
5
20
30
5
20
30
20mA
0A
-20mA
5V
10V
15V
20V
I(R2)
V_Vs
25V
EENG 2910, Class 2
30V
I(R2)
-0.00499999988824129
0.00249999994412065
0.00749999983236194
-0.0125000001862645
-0.00499999988824129
3.00000020485303e-012
-0.0199999995529652
-0.0125000001862645
-0.00749999983236194
Assignment 2

Reproduce the results of Examples 2.1, 2.2 and 2.3 (pages
26-32). In your report, you will need to include the following
for each of the examples:


Final circuit drawing
Simulation results





Circuit drawing in Capture with current and voltage displays
Simulation results shown in PSpice AD as curves for Example 2.2
and 2.3 (similar to the ones shown on pages 4 and 5 of this handout)
Simulation results as data values for Examples 2.2 and 2.3 as shown
on page 5 of this handout
Prepare your report in Word (or similar word processing software)
following the format talked about in Class 1.
Turn in the print-out of the report next week !
EENG 2910, Class 2