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Experiment 5

The document outlines Experiment No. 5 from the Analog Circuits Lab, focusing on designing and analyzing an Op-Amp as a square wave, triangular, and saw tooth wave generator. It includes the aim, apparatus used, circuit diagram, theory, procedure, observations, results, precautions, and review questions related to the experiment. The experiment demonstrates the application of Op-Amps in generating different waveforms and emphasizes the importance of proper connections and observations.

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33 views3 pages

Experiment 5

The document outlines Experiment No. 5 from the Analog Circuits Lab, focusing on designing and analyzing an Op-Amp as a square wave, triangular, and saw tooth wave generator. It includes the aim, apparatus used, circuit diagram, theory, procedure, observations, results, precautions, and review questions related to the experiment. The experiment demonstrates the application of Op-Amps in generating different waveforms and emphasizes the importance of proper connections and observations.

Uploaded by

anjishnusaha68
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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UNIVERSITY INSTITUTE OF ENGINEERING

DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING


ANALOG CIRCUITS LAB

EXPERIMENT No.: 5

Aim: To design and analyze Op-Amp as square wave, triangular and saw tooth wave
generator.

Apparatus Used: OP-Amp IC, CRO Dual Trace (30 MHz), Connecting Wires, Digital Multi-
meter & CRO Probe, etc

Circuit Diagram:

19
Prepared By Reviewed By Approved By

Rajpreet Singh Payal Patial HOD-ECE


UNIVERSITY INSTITUTE OF ENGINEERING
DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING
ANALOG CIRCUITS LAB

Theory:

A saw tooth wave generator is a ramp signal with greater rise time than fall time. To generate it
using op-amp the circuit is as shown in fig 1. In the circuit op-amp 1 acts as non-inverting
comparator with hysteresis and op-amp 2 is an integrator. The integrator non-inverting input has
voltage reference which cause to generate non-linear ramp. Fig 2 shows the timing diagram.

Procedure:

1. Connect the circuit as shown in fig. Keep pot P = 0 (fully counter clockwise position)
2. Switch ON the power. Connect DMM across the IC2 non-inverting input and ground.
Adjust the reference supply to 0 V.
3. Connect CRO channel 1 across the IC1 output and ground & channel 2 to IC2 output.
We will get square wave across Ch1 & triangular wave across Ch2.
4. Now connect DMM across the non-inverting input of IC2 and adjust reference knob for -
8.0 volt reading.
5. Now we will get square wave across Ch1 & Saw-tooth wave across Ch2.

Observation:

Result: Application of Op-Amp as saw tooth wave generator has been studied.
20
Prepared By Reviewed By Approved By

Rajpreet Singh Payal Patial HOD-ECE


UNIVERSITY INSTITUTE OF ENGINEERING
DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING
ANALOG CIRCUITS LAB

Precautions:

1. Connections should be done properly.


2. Check for grounding.
3. Get the circuit checked by the instructor before giving the power supply.
4. Observation should be taken precisely.

Review Questions
Q1 How a square wave generator can be converted into triangular wave generator?
Q2 How frequency of a square wave generator can be varied?
Q3 How a triangular wave generator can be converted into square wave generator?
Q4 List the applications of saw-tooth wave generator.
Q5 List the applications of triangular wave generator.

21
Prepared By Reviewed By Approved By

Rajpreet Singh Payal Patial HOD-ECE

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