VI SEM ECE SIMULATION PRACTICAL LAB MANUAL
(Diploma “L” Scheme Lab Manual)
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Name of the Experiment
Study of Simulation software using simple circuits.
Rectifier circuits ( Half wave, Full wave, Bridge rectifier with filters)
Power Supply design with regulators, LM7805, LM7812
Waveform generator using BC147 Transistors ( Astable multivibrator )
Waveform generator using BC147 Transistors ( Monostable Multivibrator )
Clipper and Clambers. (Positive edge and Negative edge)
Op-Amp application-I.
(Inverter amplifier, Integrated amplifier, difference amplifier)
Op-Amp applications-II
(Phase shift Oscillators, sine wave generator, square wave generator)
Instrumentation amplifiers.
AM Modulation and Demodulation
FM Modulation and Demodulation
ASK Modulation and Demodulation
FSK Modulation and Demodulation
PSK Modulation and Demodulation
Single side PCB layout Design using CAD Tool.
Drawing the schematic of simple electronic circuit and design of PCB layout
using CAD Tool
Multilayer PCB Layout design using CAD Tool.
Page No.
EPERIMENT: 1. Study of Simulation software features using simple circuits.
To design and verify the results of various electronic circuits using SIMULATION Software and verify the
result in the computer
AIM: To understand the design and simulation environment of simulation software, and also study the various
features of simulation through the design and simulation of common emitter amplifier.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
SIMULATION PROCEDUTE:
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Open MULTISIM Software.
Click=> New => Design1
Click save as in Desk Top rename the Design1 to your circuit name.
Go to Component tool bar and select the components.
Draw the common emitter amplifier using the components that are available in the tool bar and then
save the circuit.
Set the Function Generator F = 1 kHz V= 200mV.
Click simulate button or press F5 key => RUN
Then double click connected in the output of the Oscilloscope and measure input and output
waveforms.
Then Change input Frequency again measure
Take printout the output waveforms.
Results:
The common emitter amplifier circuit is designed, simulated and analyzed through the output wave forms.
EPERIMENT: 2. Rectifier circuits (Half wave, full wave, Bridge rectifiers with filters).
AIM: To design and simulate the input and output characters of a half wave, Full wave and Bridge rectifiers with
and without filters.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
Half-wave Rectifier.
Full wave rectifier with center tapped transformer.
Bridge Rectifier Circuit.
SIMULATION PROCEDUTE:
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Open MULTISIM Software.
Click=> New => Design1
Click save as in Desk Top rename the Design1 to your circuit name.
Go to Component tool bar and select the components.
Draw the above circuits using the components that are available in the tool bar and then save the
circuit.
Double click AC_POWER set its value above mentioned.
Click simulate button or press F5 key => RUN
Then double click connected in the output of the Oscilloscope and measure input and output
waveforms.
Then Change input Frequency and voltage, again measure and print the output waveforms.
Results:
The Half wave, Full wave and bridge rectifier circuits are designed, simulated and verified through the output
wave forms.
EPERIMENT:3. Power Supply Design with Regulators.
AIM: To design the power supply circuit using a fixed voltage (7805, and 7812).
APPARATUS REQUIRED: PC loaded with MULTISIM software.
SIMULATION PROCEDURE:
 Open MULTISIM Software.
 Click=> New => Design1
 Click save as in Desk Top rename the Design1 to your circuit name.
 Go to Component tool bar and select the components.
 Draw the schematic diagram of the above circuit with fixed voltage regulator.
 Double click Ac_power set its value above mentioned.
 Click simulate button or press F5 key => RUN
 Measure the Input and output of the regulator voltage with oscilloscope.
 Print the CRO waveforms.
RESULT:
The regulated power supply is designed and tested with simulation software.
EPERIMENT: 4. Waveform generators using transistors. ( Astable multivibrator )
AIM: To design the astable multivibrator using transistor and also verify its output.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
SUMULATION PROCEDURE:
 Open MULTISIM Software.
 Click=> New => Design1
 Click save as in Desk Top rename the Design1 to your circuit name.
 Go to Component tool bar and select the components.
 Draw the circuit diagram of astable multivibator using BC147 transistor.
 Connect the CRO above mentioned circuit.
 Click simulate button or press F5 key => RUN
 Note down the Time period and calculate the frequencies.
 Record the output waveforms.
RESULT:
The astable multivibrator is designed and its output is verified using MULTISIM software.
Calculate the time period: R=82k, and C=150nF and F=
EPERIMENT: 5. Monostable Multivibrator.
AIM: To design the Monostable circuit using BC147B Transistor and verify the its output.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
SIMULATION PROCEDURE:
 Open MULTISIM Software.
 Click=> New => Design1
 Click save as in Desk Top rename the Design1 to your circuit name.
 Go to Component tool bar and select the components.
 Draw the schematic diagram of astable multivibator using transistors as shown.
 Click simulate button or press F5 key => RUN.
 Close the switch measure the waveforms.
 Open the switch measure the waveforms.
 Measure the voltage level of Q1, Q2 collector of the transistors.
 Use the digital CRO from the menu.
 Note down the Time period and calculate the Frequencies.
 Take printout the output waveforms.
RESULT:
The Monostable circuit using BC147B Transistor designed and verified with the simulation software.
Calculate the Time period:
R=12oK.
C=4.7 Mfd
F=
EPERIMENT: 6. Clippers and Clampers.
AIM: To design and verify the operation of clipper and clamper circuits using simulation software.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
Two way parallel clipper with reference voltage.
Set Frequency range: F=10 Khz and 10V.
Positive Clamber.
Negative Clamber
SIMULATION PROCEDURE:
 Open MULTISIM Software.
 Click=> New => Design1
 Click save as in Desk Top rename the Design1 to your circuit name.
 Go to Component tool bar and select the components.
 Draw the circuit of clipper and clamber as shown above.
 Set the input Sine wave frequency of 10 KHz to input and voltage =10V.
 Click simulate button or press F5 key => RUN
 Measure the input and output wave with CRO.
 Note down the input and output voltage and waveforms.
 Take printout.
Result:
The clipper and clamber circuits are designed and verified.
EPERIMENT: 7. Op-Amplifier applications.
AIM: To design and verify Inverting amplifier, Differentiator, and Integrator circuits.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
Integrator circuit:
Differentiator circuit.
Inverting Amplifier.
SIMULATION PROCEDURE:
 Open MULTISIM Software.
 Click=> New => Design1
 Click save as in Desk Top rename the Design1 to your circuit name.
 Go to Component tool bar and select the components.
 Draw the schematic of all above mentioned circuit and its same value.
 Set the Square wave to the input and its voltage is 5v and F=1 khz and set Frequency to inverter F= 400
Hz.
 Click simulate button or press F5 key => RUN
 Double click the CRO.
 Measure the input and output voltage and frequencies.
 Take Print to record note.
RESULT:
The design of Inverting, integrated and differential amplifier was simulated and verified.
EPERIMENT: 8. Op-Amp applications-II.
AIM: To draw Op-amp application circuits ( Hartley and Phase shift Oscillators, Sine wave Generator) and verify
the Input and output voltage Frequencies.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
Phase Shift Oscillator:
Hartley Oscillator
Sine wave Oscillator.
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SIMULATION PROCEDURE:
Open MULTISIM Software.
Click=> New => Design1
Click save as in Desk Top rename the Design1 to your circuit name.
Go to Component tool bar and select the components.
Draw the schematic of op amp application circuits as shown.
Select the proper resistance values to achieve the desired gain.
Click simulate button or press F5 key => RUN.
Double click the oscilloscope.
Take printout.
RESULT:
Thus Op-amp application circuits, Hartley and Phase shift Oscillators, Sine wave Generator are designed and
verified the outputs.
EPERIMENT: 9. Instrumentation Amplifier.
AIM: To design, analyze and simulate the input and output characteristics of an instrumentation amplifier.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
SIMULATION PROCEDURRE:
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Open MULTISIM Software.
Click=> New => Design1
Click save as in Desk Top rename the Design1 to your circuit name.
Go to Component tool bar and select the components.
Draw the schematic of instrumentation amplifier as shown.
The desired magnitude are defied for V1=3v, V=5v.
Click simulate button or press F5 key => RUN
Measure the input and output waveforms.
Take printout to record.
RESULT:
The Instrumentation amplifier is designed simulated and the input and output waveforms are noted.
EPERIMENT: 10. AM Modulation and Demodulation using single BC107 Transistor.
AIM: To design and verify the characteristics of AM modulator and Demodulator using simulation
software.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
MODEL WAVEFORMS
DEMODULATION
SIMULATION PROCEDURE:
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Open MULTISIM Software.
Click=> New => Design1
Click save as in Desk Top rename the Design1 to your circuit name.
Go to Component tool bar and select the components.
Draw the schematic of amplitude modulator and demodulator as shown.
Specify the values of amplitude and frequency for the carrier signal.
Carrier Signal: XFG1 F= 400 Khz / 10v, Modulating signal XFG2 F= 20khz / 5v.
Design the low pass filter.
Calculate the modulation index and note the readings.
Record the output.
RESULT:
The design of amplitude modulator and demodulator was done with simulation software and also the signals is
retrieved from the modulated single with the modulation index.
EPERIMENT: 11. FM Modulation and Demodulation.
AIM: To Design and verify the characteristics of FM modulator and demodulator using MULTISIM.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
SIMULATION PROCEDURE:
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Open MULTISIM Software.
Click=> New => Design1
Click save as in Desk Top rename the Design1 to your circuit name.
Go to Component tool bar and select the components.
Draw the schematic of frequency modulator and demodulator as shown.
Specify the values of amplitude and frequency for the given.
Modulating signal F= 10 Khz / 4v.
Select the proper values of resistances and capacitors used in the same.
Design low pass filter for the demodulation circuit.
RESULT: The design of Frequency modulator and demodulator was done using multisim software and also the
message signal is retrieved from the modulated signal with the modulation index, mf=
EPERIMENT: 12. ASK Modulation and Demodulation.
AIM: To design and verify the characteristics of Amplitude Shift Keying Modulation and Demodulation using
MULTISIM software.
APPARATUS REQUIRED: PC loaded with MULTISIM software
ASK Modulation using NPN Transistor.
ASK Demodulation
SIMULATION PROCEDURE.
 Open MULTISIM Software.
 Click=> New => Design1
 Click save as in Desk Top rename the Design1 to your circuit name.
 Go to Component tool bar and select the components.
 Draw the schematic of Amplitude Shift Keying modulator and demodulator as shown.
 Specify the values of amplitude and frequency for the same to carrier and modulating signals.
 XFG1: Square wave F=300H/V= 10, XFG2=SINE wave F=5 Khz/V=10.
 Design the comparator circuit using op-amp to restore the modulating signal.
 Record the output.
RESULTS:
Thus design of amplitude shift keying modulator and demodulator was completed and its output is verified.
EPERIMENT: 13. FSK Modulation and Demodulation.
AIM: To design and verify the characteristics of frequency shift keying modulation and demodulation.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
FSK Modulation circuit.
FSK Demodulation
SIMULATION PROCEDURE.
 Open MULTISIM Software.
 Click=> New => Design1
 Click save as in Desk Top rename the Design1 to your circuit name.
 Go to Component tool bar and select the components.
 Draw the schematic of frequency shift keying modulator and demodulator as shown.
 XFG1 F=150 H, XFG2 F= 200 Hz, and XFG F =2KHz
 Specify the value of amplitude and frequency for the same value below mentioned.
 Click simulate button or press F5 key => RUN
 Design the comparator circuit using op-amp to restore the modulating signal.
 Record the waveforms.
RESULT:
Thus the design of Frequency shift keying modulator and demodulator was completed and its output is verified
by the frequency deviation and modulation index using simulation software.
EPERIMENT: 14. PSK Modulation and Demodulation.
AIM: To design and verify the characteristics of Phase shift keying Modulation and Demodulation.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
SIMULATION PROCEDURE.
 Open MULTISIM Software.
 Click=> New => Design1
 Click save as in Desk Top rename the Design1 to your circuit name.
 Go to Component tool bar and select the components.
 Draw the Schematic of Frequency shift keying modulator and demodulator as shown.
 Specify the values of Amplitude and frequency for the same values of the input signals.
 Set frequency of XFG1= 600 H / 12v, XFG2= 2 KHz/10v.
 Design the comparator circuit using op-amp to restore the modulating signal.
 Record the output waveforms.
RESULT: Thus the design of phase shift keying modulator and demodulator was completed and its output is
verified.
EPERIMENT: 15. Single side PCB Layout Design using CAD Tool.
AIM: To design the single sided PCB for a simple electronic circuit (LED Running light) with MULTISIM.
APPARATUS REQUIRED: PC loaded with MULTISIM software.
PROCEDURE:
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Open MULTISIM Software.
Click=> New => Design1
Click save as in Desk Top rename the Design1 to your circuit name.
Go to Component tool bar and select the components.
Single side PCB.
RESULT: Thus the design of a single sided PCB for simple electronic circuit with MULTISIM software CAD tool was
done.
EPERIMENT:16. . Multilayer PCB Layout Design using CAD Tool.
AIM: To design multilayer PCB Layout for a circuit (Tester for remote control).
APPARATUS REQUIRED: PC loaded with MULTISIM software.
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Open MULTISIM Software.
Click=> New => Design1
Click save as in Desk Top rename the Design1 to your circuit name.
Go to Component tool bar and select the components.
RESULT:
Thus Design of multilayer PCB layout for a circuit (Tester for remote control ) using CAD Tool was completed.
M.K Subramanian/ECE/SPC
For more details: www.androiderode.com