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8/4/2019 Giao Trinh Orcad PSPICE
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M HNH V H THNG PHN MM
Bin son GT :Thi Vn Tin
NNG 2009
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Tng quan v h thng phn mm
Cc khi nim v software Computer instructions or data.
Anything that can be stored electronically issoftware
Software is often divided into two categories: systems software : includes the OS and all the
utilities that enable the computer to function. applications software : includes programs that do
real work for users.
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DDVissim Simulation
Cc software chuyn ngnh
Elec
tronic
Telec
ommunicc
ati
on Engi
neeri
ngc
ommon.AA
Cadence Orcad
BBMultisim Spice
CC
Protues VSM
FFMatlab Simulation
GGLabview Simulation
IISofts simulation of TI
LTSpice Simulation
EE
HH
Webench Design&Simulate
kk
Softs simulation of Labvolt
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Cadence Orcad versions
A Orcad version 9.1 released
B Orcad version 9.2 released
C Orcad version 10.x released
DOrcad version 15.x released
E Orcad version 16.x released
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Schematic capture with Cadence PSPICE
INTRODUCTIONTO PSPICE
PRESENTATION TO PROBE
DC NODALANALYSIS
AC SWEEP DC SWEEP
PSPICEPSPICE
CoursesCourses
Ch1Ch1
Ch2Ch2
Ch3Ch3
Ch4Ch4Ch5Ch5
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PART 1 : Introduction to PSPICE
AA Starting Orcad Capture
AA Placing Parts and Correcting Mistakes
BB
CC Changing Properties Wiring Components
EE Changing the Size of a Schematic
AA
DD Adding Schematic Pages to a Project
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Basic Schematic of Part1
.7k
R /4W
NO
R3
Meg
V
V c R
k
Vo
Rz
k
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-Adding a Window-Placing and MovingArrows, Items-Using the Cursors
-Plotting Traces-Adding&DeletingTraces- Zooming In&Out
-Labeling Points-Modifying ProbeTrace Colors andLine Widths.
PART 2 : Presentation to PSPICE
A B C
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PART 3 : DC Nodal Analysis
A Resistive Circuit Nodal Analysis
B
C
Diode DCCurrent and Voltage
D
E
Transistor Bias Point Detail
Nodal Analysis with Dependent Sources
Finding the Thevenin&Norton Equivalents
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Resistive Circuit Nodal Analysis
Practices: Find the DC node voltages for the circuit follow:V1
0Vdc
1
1k
R4
3.3k
I1
15Adc
R3
2.2k
R2
1k
0
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Diode DCCurrent and Voltage
Practices: Find the Diode I&U in the circuit follow:
R3
500
V1
10VdcR2
1k
0
DxD1
Vd
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TransistorBias Point Detail
Practices: Find the Bias point for the transistor circuit follow:
Q1
Q2N3 04
Re
1.2k
Rb
100k
V1
12Vdc
0
Rc
470
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Nodal Analysis with Dependent Sources
VDIS
VDVS
-++-
E1
E
+
-
G1
G
F1
F
IDIS
+-
H1
H
IDVS
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Nodal Analysis with Dependent Sources
Practices: Find the DC node Voltages for the circuit below:
-+
R2
2
0
+
-
G1
GAIN = 0.5
+ -
V1
DC = 8+
R3
18
Node2
+
R4
4
Node1
Vx
+
R1
7
V3
+
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Finding the Thevenin&Norton Equivalents
Practices: Find the Thevenin and Norton equivalent circuits for thecircuit below:
+
R2
1k
+
R1
1k
+
R4
1k
+
-
V1
DC = 5
v+R3 1k
Voc
I1 5mAdc
+R5
1k
0
-+
+
-
E1
GAIN = 1
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PART 4 : DC SWEEP
Basic DC Analysis:
Parametric Sweep maximum Power Transfer:
DC Transfer Curves:
Zener Clipping Circuit. Secondary Sweep Family of Transfer Curves.
NMOS Inverter Transfer Curve.
Goal Functions Inverter Analysis.
Parametric Sweep - Family of Transfer Curves.
DC secondary Sweep BJT CharacteristicCurves: Temperature Analysis Constant Current Sources:
Temperature Characteristics of a Registor.
Op-Amp Constant Current Source
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Basic DC Analysis
Practices: Find the Voltages Node1, Node2, Node3 if the source voltageV1 is swept from a DC voltage of 1 volts to a DC voltage of 20 volts:
Node2
R3
1
Node1
V1
10Vdc
R1
3
Node3
R2
2
0
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Parametric Sweep maximum Power Transfer
Practices: Find the value of Rs that delivers maximum power to RL.K: for Start value = 0.01, End value = 10k, Points/Decade = 20.
VL
+
Rs
{Rs_val}+
RL
1k
0
+
-
VsDC = 1
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DC Transfer Curves: Zener Clipping Circuit
Practices: Find the transfer curve of the circuit below:
VL
D1
D1 A+
-
Vs
DC 1
+
1
1k
0
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PART 5 : AC SWEEP
Magnitude and Phase: Text Output.
Graphical Output.
Bode Plots:
Amplifier Gain Analysis:
Parametric Sweep Op-Amp Gain Bandwidth:
Performance Analysis Op-Amp Gain Bandwidth:
Measuring Impedance: Of a Passive Circuit.
Of a Active Circuit.
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Magnitude and Phase:Text Output.
Sweep
+
-
AC
V
ni u e = 10
Phase = 37
+
R1
5+
R210
L1
1m
1
+C1
500u
0
2
PRI T = ACVP(2,0) IP(C_C1) IP(L_L1)
PRI T = ACV(1,0) I(R_R1) I(C_C1)
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Magnitude and Phase: Graphical Output
L2
17u
Vy
Sweep
+
-
AC
V2
Magnitude 7.P ase
Vx
+
C11n
+C2
7u
0
+
R3
1k
ACSweep
I1
Magnitude 1mP ase 30
L1
10uH
+-
H1
GAI 1
+
R1
1k +
R2
1k
Practices: Find Mahnitude and phase at node 2 of the circuit below:
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Bo
deP
lo
ts
Calc late ag it de a d hase:
ag it de with DB() 20lg(V(Vo))
hase ()
Usi g Goal F ctio s to f i d:
U er dB freq e cy ( dB 159.5 H )
Lower dB freq e cy
iddle dB freq e cy
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Amplifier Gain AnalysisPractices: Find Gain Upper3dB, Lower3dB,mid-band3dB of the circuit below:
0
+
Cs
470u+
R2
1.8
+
CL
470u
+
RS47
0+
RE220
+
Rc
1
0
+
R1
11
0
+CE
1000u
VEE
+
-
VEE
DC=15
Sweep
+
-
AC
Vs
Magnitude=1Phase=0
Q1
Q2N3 04
Vcc
Vout
+
-
Vcc
DC=15
+
RL
1
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Parametric Sweep Op-Amp Gain Bandwidth
Sweep
+
-
AC
V1
Magnitude=1Phase=0
+
-
Vcc
DC=15
U1
LF4113
2
7
4
6
1
5+
-
V+
V-
OU
B1
B2
+
R21
0
VEE
+RF
{RF_val
0
Vo
Vin
VEE
VCC
PARAMETERS:RF_val=1
+
-
VEE
DC=15
0
VCC
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