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									Introduction to PSpice

            Digital Electronics


            LAB No.5




       Engr. Mian Shahzad Iqbal
       Lecturer
       Department of Telecommunication
       Engineering
               SPICE
 SPICE is a general-purpose circuit
  simulator capable of performing the
  following types of analysis
               Representation
Code   metric prefix   Decimal representation

T      tera            1012

G      giga            109

Meg    mega            106

K      kilo            103

M      milli           10-3

U      micro           10-6

N      nano            10-9

P      pico            1012

F      femto           10-15
Transient Analysis
    Pulse Response of a RLC-circuit

   Pulse Response of a RLC-circuit
   * PULSE (-VS +VS TD TR TF PW PER) ; Pulse input
   VIN 7 0 PULSE (-220V 220V 0 1NS 1NS 100US 200US)
   *
   R1 7      5   2
   L1 5     3   50UH
   C1 3      0   10UF
   *
   * .TRAN TSTEP TSTOP              ; Command for transient
    analysis
   .TRAN    1US    400US
   *.PRINT TRAN V(R1) V(L1) V(C1) : Prints on the output file
   *.PLOT TRAN V(3) I(R1)           : Plots on the output file
   .PROBE                     ; Graphical waveform analyzer
   *
   .END                     ; End of circuit fil

								
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