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Eeng 317L Experiment 1.1

This document outlines Experiment 1 for the EENG 327L course at Fourah Bay College, focusing on designing and analyzing an unstabilized power supply circuit. It details the aim, required components, equipment, and procedure for constructing the circuit and measuring various voltages. The experiment aims to observe the effects of a reservoir capacitor on the power supply's performance.

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9 views2 pages

Eeng 317L Experiment 1.1

This document outlines Experiment 1 for the EENG 327L course at Fourah Bay College, focusing on designing and analyzing an unstabilized power supply circuit. It details the aim, required components, equipment, and procedure for constructing the circuit and measuring various voltages. The experiment aims to observe the effects of a reservoir capacitor on the power supply's performance.

Uploaded by

sahrmrdauda2022
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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UNIVERSITY OF SIERRA LEONE

FOURAH BAY COLLEGE


FACULTY OF ENGINEERING
DEPARTMENT OF ELECTRICAL & ELECTRONICS ENGINEERING
ANALOGUE ELECTRONICS LABORATORY PRACTICALS/EENG 327L - 2021 2022
EXPERIMENT 1: ELECTRONICS POWER SUPPLIES
1. THE UNSTABILIZED POWER SUPPLY
AIM: To Design And Determine For The Unstabilized Experimental Electronics Bridge
Full Wave Power Supply Circuit, The Waveforms And Their Values With/Without The
Reservoir Capacitor C1.
THEORY:
REQUIREMENTS: 1. COMPONENTS – 1 Fixed Resistor , 1 Fixed Capacitor , 1 12V
Transformer, 4 Rectifier Diodes 1N4001, 1 SPST Switch
EQUIPMENT: 1 Digital Multimeter, 1 Oscilloscope
MISCELLANEOUS: 1 Breadboard, Set of Connecting Wires & Circuit Diagram of Fig. 1.

FIG.1: Fixed Unstabilized DC Power Supply With Shunt Reservoir Smoothing Capacitor
PROCEDURE: 1. Collect The Components and Equipment Supplied You.
2. On the breadboard, Construct the electronics power supply shown in fig 1, and ask for
the laboratory supervisor to check and approve your constructed circuit.
3. Connect the circuit to the mains 240V outlet and measure, with the digital multimeter,
the following voltages;
i) The transformer input
ii) the transformer output
iii) the voltage across the load with C1 connected and disconnected
1
4. Observe and measure, with the oscilloscope, the following voltages;
i) the transformer output
ii) the voltage across the load with C1 connected and disconnected
RESULTS: Display your results appropriately

FIG. 2: Expected Waveforms


RESULT INTERPRETATION:
CONCLUSION:

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