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Government College University, Lahore

Department of Engineering

Session (2010-2014)

Instrumentation & Measurements

By

Miss Afshan Batool

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Lab. Project:

Cordless Infrared Audio Transmitter & Receiver

Muhammad AZEEM Roll: Technically Sound

22-BSc-10

Abdul MAZHAR Roll: Quest for Engineering

48-BSc-10

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Transmitter & Receiver

Transmitter

Transmits a Signal

Receiver

Receives a Signal

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Basic Circuit Components

Resistors

Transistors

Capacitors

LED’s 

IR LED’s 

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Transistors Used in Transmitter

BC 547

BD 140

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Transistors Used in Receiver

IR Photo Transistor

BC 549C

BEL 187

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Circuit Diagrams

Transmitter Receiver

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Principle of Operation 

System Features

Easy operation

Convenient

Affordable

Required Skills

Understanding of Transistors

Understanding the Working of Transistors

Design & Fabrication of PCB

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Project Phase

Schematic Design and Drawing of PCB

Preparation of PCB

Assembling and Testing of Interfacing Circuits

Project Report

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Aim of the Project

To Communicate Wirelessly

Detailed study of components to use them in the

circuit effectively

Wireless Technology is very much useful in Army &

Defense

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Thank You