Giao Trinh Orcad PSPICE

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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VDIS

VDVS

-++-

E1

E

+

-

G1

G

F1

F

IDIS

+-

H1

H

IDVS


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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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