pspice simulation of diode circuits a. background b...
TRANSCRIPT
1-1
İzmir University of Economics EEE 206 Introduction to Electronics Circuits Lab
EXPERIMENT 1
PSPICE Simulation of Diode Circuits
A. Background Download, print and read the tutorial on the usage of ORCAD/PSPICE available at
http://homes.ieu.edu.tr/~maskar/ETE206/General/ORCAD-PSPICE-Tutorial.pdf
B. Preliminary Work 1. Half-wave Rectifier: Consider the half-wave rectifier given in Fig. 1.1. Assume the diode is
ideal and a sinusoidal voltage is applied to the input. Plot the input and output voltage waveforms on Fig. 1.2.
R = 10 k
Fig. 1.1. Half-wave Rectifier
Fig. 1.2. Input and Output Voltage Waveforms at Half-wave Rectifier
VS
D
+
VO
-
R
1-2
2. Half-wave Rectifier with Filter: Assume a capacitor is added to the output of the half-wave rectifier as shown in Fig. 1.3. Assume the diode is ideal and a sinusoidal voltage is applied to the input. Plot the input and output voltage waveforms on Fig. 1.4.
R = 1 k
C = 200 F
Fig. 1.3. Half-wave Rectifier with Filter
Fig. 1.4. Input and Output Voltage Waveforms
3. Full-wave Rectifier: Consider the full-wave rectifier given in Fig. 1.5. Assume the diode is ideal and a sinusoidal voltage is applied to the input. Plot the input and output voltage waveforms on Fig. 1.6.
R = 1 k
Fig. 1.5. Full-wave Rectifier
VS
D
+
VO
-
R
VS
D
+
VO
-
R C
1-3
Fig. 1.6. Input and Output Voltage Waveforms
4. Full-wave Rectifier with Filter: Assume a capacitor is added to the output of the full-wave rectifier as shown in Fig. 1.7. Assume the diode is ideal and a sinusoidal voltage is applied to the input. Plot the input and output voltage waveforms on Fig. 1.8.
R = 1 k
C = 200 F
Fig. 1.7. Full-wave Rectifier with Filter
Fig. 1.8. Input and Output Voltage Waveforms
VS
D
+
VO
-
R C
1-4
C. Experimental Work
C.1. Part 1: Half-Wave Rectifier
1. Construct the given circuit below (Fig. 1.9) in ORCAD by following the steps.
Fig. 1.9
2. Select File >> New >> Project. Name your project (Fig. 1.10) as “Half_Wave_Rectifier_NAME_SURNAME”. As the location field, select the directory as ”D:\MYWORKS\CE206_ORCAD”. Be ure ha y u e e ed “Analog or Mixed A/D”.
Fig. 1.10
D1
D1N914
R1
1k
V1
FREQ = 100VAMPL = 10VOFF = 0
0
VV
1-5
3. N w, e e “Create a blank project” at the appeared diagram box (Fig. 1.12).
Fig. 1.11
4. Add a sinusoidal voltage source (VSIN) and a resistor(R) to your circuit as described in the ORCAD/PSPICE Tutorial. T w rk y ur ir ui pr per y, d n’ f rge add Ground to your circuit.
5. Set the parameters as shown in Fig. 1.12. (Your laboratory work parameters will be assigned to you during the Laboratory Work
Fig. 1.12
6. After the construction of circuit, create a new profile using Pspice >> New Simulation Profile from toolbar (Fig. 1.13). Wri e “Half_Wave_Rectifier_NAME_SURNAME” f r New Simulation Name.
Fig. 1.13
R1
1k
V1
FREQ = 100VAMPL = 10VOFF = 0
0
D1
D1N914
0V -11.07e-24V
VV
1-6
7. Set the simulation settings as given in Fig. 1.14
Fig. 1.14
8. Run your program by using toolbar as Pspice >> Run.
Prepare a lab report based on the following format. Insert your circuit schematic and simulation results below (The capture method is given in
ORCAD/PSPICE Tutorial.
1-7
Report: Part 1 - Half-Wave Rectifier i. Circuit Schematic
Insert Your Circuit Schematic Here
ii. Simulation Results
Insert Your Simulation Results Here
iii. Discussions
C.2. Part 2: Half-Wave Rectifier with Filter
1-8
1. Add a capacitor to the output of the half-wave rectifier as shown in Fig. 1.15
Fig. 1.15
2. Can you observe the ripples at the output? How do they change with different
capacitance values? Discuss this issue in the Discussions box.
Prepare a lab report based on the following format.
V1
FREQ = 100VAMPL = 10VOFF = 0 R1
1k
D1
D1N914
0
C1
1u
VV
1-9
Report: Part 2 - Half-Wave Rectifier with Filter Insert your circuit schematic and simulation results below. i. Circuit Schematic
Insert Your Circuit Schematic Here
ii. Simulation Results
Insert Your Simulation Results Here
iii. Discussions
1-10
C.3. Part 3: Full-Wave Rectifier
1. In Fig. 1.16, a regulator circuit with full wave rectifier is given. Construct this circuit using the knowledge of preceding sections. Run the circuit for before and after connecting of capacitor (To define a single ground point in the circuit, a very large resistor (100 M) is added to the output, since the voltage drop across it is negligibly small)
Fig. 1.16
Insert your circuit schematic and simulation resultrs on the report below.
D1
D1N914
D2
D1N914
D3
D1N914
D4
D1N914
R1
1k
V1
FREQ = 1kVAMPL = 10VOFF = 0
0
R2
100M
C1
1u
V
V-
V+
1-11
Report: Part 3 - Full-Wave Rectifier i. Circuit Schematic (Full-Wave Rectifier without Capacitor)
Insert Your Circuit Schematic Here
ii. Simulation Results (Full-Wave Rectifier without Capacitor)
Insert Your Simulation Results Here
iii. Discussions (Full-Wave Rectifier without Capacitor)
1-12
iv. Circuit Schematic (Full-Wave Rectifier with Capacitor)
Insert Your Circuit Schematic Here
v. Simulation Results (Full-Wave Rectifier with Capacitor)
Insert Your Simulation Results Here
vi. Discussions (Full-Wave Rectifier with Capacitor)