Post on 03-Jun-2018
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How to work on Cadence
Pspice
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Steps for opening CadenceCIS
Click on start -programs -CapturThe OrCAD Capture window app
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Steps for opening CadenceCIS
1 Create a new pro!ect
" Select a suita#le director$ in thelocation #lock% Select a name for the pro!ect and tick
the Analog Or &i'ed Signal Circuit(i)ard and then click O*
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Steps for opening CadenceCIS
Select the re+uired Pspice li#raries ,with e'tension ol# and then Click .inis
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Steps for opening CadenceCIS
Schematicwindowappears
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Steps to #uild an$ circuit
Place all the components #$ using Place / Part and then drag the re+uired co
Schematic page
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Steps to #uild an$ circuit
Place all the components and then place ground
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Steps to #uild an$ circuit
Place ground fro0SO23C4 and tClick O*
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Steps to #uild an$ circuit
The 5alues of the 5arious components and the sources can #e changed #$ simon the 5alues and changing them accordingl$
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Simulating the circuit
1 Once the circuit is completed6 we proceed for simulation
" If it is simple circuit then onl$ #ias point anal$sis is performed
% Click on Pspice-7ew simulation Pro8le
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Simulating the circuit
1 9i5e aname tothe newsimulation
" Clickcreate
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Simulating the circuit1 Simulation
settingswindow
opens
" Select
anal$sist$pe
% Select #iaspoint
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Simulating the circuit Click on
Pspice-run
The circuitwill #esimulated ifthere areno errors
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Simulating the circuit
1 Click on:;< tosee the5oltageson the
5ariousnodes
" Click on:I< to seethecurrents
in the#ranches
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;iew outputs
1 In darkred arethe5oltagesat the
nodes" In light
red arethecurrents=owing in
the#ranches
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;iew outputs
1 Click onPspice /5iew output8le
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;iew outputs
1 The output 8le appears
" >ou can o#ser5e the results in the 8le also
.or other anal$sis t$pes?
1 If the anal$sis is time domain6 then select the time for whichsimulation is to #e done
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DC sweep
1 Select anal$sis t$pe DC Sweep
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DC sweep
1 The dc sweep window appears
" Select Primar$ sweep
% .ill the re+uired columns and then run
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DC sweep
1 4nter the re+uired 8elds and click ok" Then run Pspice% Simulation window appears
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DC sweep
1 Connect 5oltagele5el marker as shown at the re+uired node where 5oltage is to #e measured ,shown ingreen
" (e can also connect current marker at the terminals of an$ element in the circuit ,shown in red
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DC sweep results
1 On thesimulationwindow one5oltage isshown
" If current isalso to #eplotted weha5e to either
add plot towindow or add$-a'is
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DC sweep results
1 If we addplot6 thenwe o#ser5ethe currentand 5oltage
wa5eformson two plots
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DC sweep results
1 If weadd $-a'isthen wesee
#oth theplots onthesamegraph#ut with
di@erent$-a'es
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DC sweep results
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DC sweep ,secondar$
1 .ile / edit simulation pro8le
" Add primar$ sweep ,here 5a
% 4nter the necessar$ data corresponding to the primar$ sweepparameter ,here 5a
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1 addsecondar$sweep
" 4nter thenecessar$data
corresponding to thesecondar$sweepparameter,here 5#
% Add currentmarker atr1
Click ok andrun pspice
DC sweep ,secondar$
DC sweep ,secondar$
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1 (e o#ser5e three lines for current through 31 correspondingto 5#B 056 1105 and 105
DC sweep ,secondar$results
DC sweep ,parametric
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1 Primar$sweepparameter ;A
DC sweep ,parametricanal$sis
DC sweep ,parametric
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DC sweep ,parametricanal$sis
1 secondar$ sweepparameter ;#
DC sweep ,parametric
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DC sweep ,parametricanal$sis
1 Parametric anal$sissweepparameterIs
" Connectcurrentmarker at;# andrun pspice
DC sweep ,parametric
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1 (e o#ser5ethere arenine plotscorresponding to %;#sweep5oltagesand % Issweepcurrents
DC sweep ,parametricanal$sis results
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Transient Anal$sis
1 Connect the circuit components
" Select anal$sis t$pe time domain ,transient
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Transient Anal$sis
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1 To o#tainthe5oltageacrossinductorTrace /add trace
Transient Anal$sis
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1 T$pe;,1?1-;,1?" inthe tracee'pression andthen pressO*
Transient Anal$sis
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1 >ou willo#ser5ethat theplot of5oltage
acrossinductorappears inthe window
Transient Anal$sis
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Transient Anal$sis
1 Draw the circuit
" Connect5oltagemarkers at theoutputs
% then editsimulationsettings
Select anal$sis/ anal$sis t$pe-Time domain,transient
E 4nter run totime 00us
F Click ok andrun
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Transient Anal$sis1 The plots
showunderdampedand criticall$dampedconditions
" G$ changing
the 5alues of3 6 and C6we canchange theamplifudes ofthe plots
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Transient Anal$sis
VV
R 4
6
L 4
2 mC 4
2 0 u
R 5
4
V 4
T D = 1 m
T F = 1 n
P W = 0 . 4 5 m
P E R = 1 m
V 1 = 0
T R = 1 n
V 2 = 0 . 5
0
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Transient Anal$sisI 1
I 1 = 0
I 2 = 2
T D 1 = 0
T C 1 = 0 . 5 m
T D 2 = 1 m
T C 2 = 0 . 5 m
R 7
1
C 5
0 . 5
0
L 6
3 H V
R 6
1
I
I
L 5
2 H
AC Anal$sis
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AC Anal$sis
C 6
2 0 u
V 6
1 V a c
0 . 1 V d c
L 7
2 m H
R 8
5
R
4
V
0
I
AC Anal$sis
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AC Anal$sis
1 The simulation window
appears" Click on Trace / then add
trace% (indow appears T$pe in Trace e'pressionE DG,;,1?";,C1?1
L 1
5 m H
C 1
1 0 nR 1
2 !
0
V 12 0 V a c
0 V d c
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AC Anal$sis
1 The followinggraphappears
" The graph isin DG,deci#els6
which showsthemagnitude
% 7ow addtrace andt$pe in thetracee'pressionP,;,1?";,C1?1 andthen press ok
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AC Anal$sis
1 The P stands forphase
" (e ha5e plottedthephase of output5oltage wrt the
phase of the input5oltage