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PSpice

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PSpice SPICE PC SPICE Simulation Program with Integrated Circuit Emphasis U.C Berkeley 1972 CAD SPICE 10 -6 EDA SPICE 1988 SPICE PSPICE PSpice Student 64 PSpice A/D PSpiceA/D Schematic Editor PSpice Simulator Model Editor Stimulus Editor Probe PSpice Optimizer

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1 PSpice PSpice cir (*.cir) Schematic Editor sch Schematics Draw Get New Part (*.slb) (place) CTRL+R CTRL+F Edit *.cir *.sch

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2 Attributes Model R L C Q D J 8 PSpice Rb1 Ce Q1 D2 Vin UA741 VSIN VPULSE GND-EARTH OFFPAGE V A S Hz V A S F H 10 -6 =u 10 -3 =m 10 3 =k 10 6 =meg E 10 10 3 =1E+3 10 -3 =1E-3 PSpice VALUE IC

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R L C .model (.subckt Q D J EDIT--MODEL--EDIT INSTANCE MODEL TEXT BF= PSpice lib Edit Model

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3 PSpice V I

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1 DC DC (DC Sweep) DC=5V AC AC (AC Sweep) AC=10mV SIN Voff Vampl Freq TD DF Phase (tran) SIN(0 10m 1k 0 0 0 )

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Voff Vampl Freq TD DF Phase

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PULSE V1 V2 TD TR TF PW PER PULSE(0 5 10U 0 0 10U 20U) PWL T1 V1 T2 V2 T10 V10 PWL(0 0 1us 4V) SRC DC AC TRAN DC AC DC 5V AC 10mV TRAN 5V

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V1 V2 TD TR TF PW PER

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t1>t2 t2>t3

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4 PSpice Analysis Setup (Enabled PSpice (error) (*.out) Simulate

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2 AC Sweep AC Sweep Type Linear Octave 8 Decade 10 Total Pts. Start Freq End Freq 0

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Swept Var. Type Voltage Source Temperature Current Source Model Parameter Global Parameter Sweep Type Linear Octave Decade Value list Start Value End Value Increment Pts./Decade DC Sweep

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Voltage Source Name V1 V1 Model Name Q2N2222 Param.Name BF Q2N2222 0 V1 BF

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Bias Point Detail *.out Transfer Function Output Variable Input Source Transient Print Step Final Time No-Print Delay Step Ceiling Detailed Bias Pt. 0-20ns N

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5 PSpice *.dat Probe *.out Probe Trace Add Traces Fourier Cursor Goal Functions Eval Goal Function

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Add Traces Simulation Output Variables Functions or Macros Trace Expression DB(V(RL:1)) V(RL:1) DB ABS((V(Q1:c)-V(Q1:e))*IC(Q1)) BJT Q1

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3 PROBE ABS(X) |X| QRT(x)X 1/2 B(Kxy) Kxy SIN(x) Sin(x) H(Kxy) Kxy COS(x) Cos(x) EXP(x) e x ARCTAN(x) DB(x) 20log(|x|) ( 10 ) d(y) Y X LOG(x) Ln(x)( e ) S(y) Y X LOG10(x) log(x)( 10 ) AVG(x) X PWR(x,y)|x| y RMS(x) X RMS

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Plot Axis Settings Add Y Axis Add Plot to Window Label Axis Settings Axis Variable X Axis Variable X

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6 (*.out) (error warning) 1 (*.cir) *.net *.als .END *.net *.als 1 2 2 3 (SMALL SIGNAL BIAS SOLUTION) .AC (NODE) (VOLTAGE) (VOLTAGE SOURCE CURRENTS) (TOTAL POWER DISSIPATION)

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4 (Bias Point Detail) (OPERATING POINT INFORMATION) 5 (SMALL-SIGNAL CHARACTERISTICS) (Transfer Function) V(out)/Vin INPUT RESISTANCE OUTPUT RESISTANCE 6 DC SENSITIVITY ANALYSIS ELEMENT SENSITIVITY (VOLTS/UNIT) NORMALIZED SENSITIVITY (VOLTS/PERCENT)

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7 (INITIAL TRANSIENT SOLUTION) (NODE) (VOLTAGE) (VOLTAGE SOURCE CURRENTS) (TOTAL POWER DISSIPATION) (SMALL SIGNAL BIAS SOLUTION) ( IC=5V)

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7 3 1 2 PSpice error 3 *ERROR*: NO DC PATH TO GROUND FROM NODE number *ERROR*: VOLTAGE SOURCE AND/OR INDUCTOR LOOP INVOLVING L_L3 *ERROR* VALUE IS ZERO PSpice 1m *ERROR* NO CONVERGENCE IN DC ANALYSIS.LAST NODE VOLTAGES: list DC

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