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Summary Unit 19 engineering Assignment Brief
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BTEC Assignment BriefPearson BTEC Level 3 National Foundation Diploma in
Qualification
Engineering
Unit number and title
Unit 19: Electronic Devices and Circuits
A: Explore the safe operation and applications of analogue
Learning aim(s) (For NQF
devices and circuits that form the building blocks of
only)
commercial circuits.
Assignment title Analogue Electronic Devices and Circuits
Assessor Rae Green
Learner
Issue date 05/12/22
Hand in deadline 19/12/22
You have been offered your first job as a Junior Technician in
a local company that specialises in repairing domestic
electronic equipment.
As part of your new role the owner would like to provide
opportunities for you to develop your skills and knowledge of
electronic devices and circuits.
Vocational Scenario or
Context
They would like you use a range of test equipment and
software to investigate commonly used analogue electronic
devices and the type of circuits in which they are used. They
have asked you keep accurate records of everything you do
so that you can refer to them later as you build up your skills
and knowledge base.
Carry out theoretical and practical investigations into
analogue devices and circuits.
You need to investigate:
(a) Diodes and how they are used in a full-wave rectified
power supply with voltage regulation
(b) Transistors and how they are used in a stabilised
Task 1
common emitter amplifier
(c) Operational amplifiers and how they are used in an
amplifier circuit
You need to provide evidence that you have consistently
worked safely in accordance with relevant risk assessments.
, To do this you will need to work systematically following the
guide below:
(a) Diode circuits
(i) identify different types of diode and their uses
(ii) construct a schematic diagram and simulate the
operation of a diode as a half-wave rectifier
(iii) develop the circuit schematic and simulation to a
full-wave rectifier with capacitor smoothing and
Zener diode voltage regulation. [Give leaners
different specifications e.g. 5.1V, 8.2V to minimise
plagiarism].
(iv) build a prototype of your final circuit
(v) record the output voltage
(vi) estimate the voltage ripple for different loads
(vii) compare the results from theory, simulation and
measurement
(b) Transistor circuits
(i) identify different types of transistor and their
uses
(ii) construct the schematic circuit of a common
emitter amplifier in your ECAD package. [Give
component values that you know work
effectively]
2
BTEC Assignment Brief v1.0
BTEC Internal Assessment QDAM January 2015
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