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TOPICS
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OBJECTIVES - LEARNER WILL BE ABLE
TO:
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THEORY: Introduction to Electronics
a top down approach.
- Semiconductors, P.N. junction
- Diode
- Diode Resistor Circuit
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- Define semiconductor vs conductor
materials, types, P.N. junction depletion layer, P.N. junction
internal operation in forward & reverse bias and threshold
voltage.
- Identify diode's terminals by ohm
meter testing and investigate the diode's external behavior
in forward and reverse bias.
- Given diode I/V characteristics,
graphically determine threshold voltage, static and dynamic
resistance.
- Define and distinguish rectifier,
zener and LED diodes.
- Able to read from electronic components
data sheets.
- Define photo diode, optocoupler and
process of rectification.
- Describe and illustrate the form
of a transistor characteristic.
- Explain the process of amplitude
limiting and the function of clipping circuit.
- Draw the circuit form, explain the
operation of and perform the analysis of a zener regulation
circuit.
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- Bipolar Junction Transistor
(BJT)
- BJT-Resistor Circuits
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- Identify two major classes of transistors
and the two types of BJT's according to the polarities of
the semiconductor materials.
- Draw a simplified layout representing
the construction of a BJT and its schematic identifying
the three terminals of the BJT.
- Define the dc current gain of a BJT
and state the relationship between base, emitter, collector
currents.
- Analyze various dc circuit forms
containing transistor, resistor, and power supply.
- Analyze a circuit in which BJT is
used as a switch and/or current source. Analyze a basic
emitter-follower circuit.
- Construct a dc local line for either
the base circuit or the collector circuit of a BJT and demonstrate
how changes in different transistors circuit parameters
and variables affect the load line.
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- FIELD EFFECT TRANSISTORS:
(FETs)
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- Identify major classifications of
FETs and the two types of FETs according to the polarities
of the semiconductor materials.
- Draw the schematic symbol of the
different types of FETs with the three terminals and the
equivalent circuit models for each of the three FET operating
regions.
- Understand what is involved in the
depletion mode of the FET.
- State the relationship between drain
current and gate source voltage for both depletion mode
and enhancement mode FETs in the beyond pinch-off region.
- Define the gate-source threshold
voltage for an enhancement mode IGFET.
- Identify differences and similarities
between the perating characteristics of BJTs and FETs.
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- Contract a dc load line for the drain
circuit of an FET.
- Demonstrate how changes in different
transistor circuit parameters and variables affect the load
line.
- Analyze a circuit in which a FET
is used as a switch.
- Show how a FET biased in the ohmic
region can be used as voltage controlled attenuator.
- Analyze a self bias circuit for a
FET.
- Construct a bias line on the transfer
characteristic.
- Show the operation of a self plus
fixed bias circuit.
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- Define the form of a sinusoidal wave
form and its various properties, including peak value, peak-to-peak
value, rms value, frequency, period and phase angle.
- Identify the capacitive reactance
of a capacitor and inductive reactance of an inductor.
- Construct and analyze the steady-state
dc circuit model for a circuit containing capacitance and/or
inductance.
- Define the concepts of amplitude
response, phase response and frequency response.
- Analyze the frequency response of
simple RC low pass and high pass circuits.
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- INTRODUCTION TO AMPLIFIERS:
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- Define the voltage gain of an amplifier
and discuss its physical significance.
- Define various classifications of
amplifiers such as non inverting or inverting dc coupled
or ac coupled, voltage or power etc.
- Show the flat-band model of an amplifier.
- Define the significance of the input
and output resistance of an amplifier.
- Determine the net gain of an amplifier
when the generator has internal resistance and/or an external
load resistance is connected to the output.
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- BJT SMALL SIGNAL AMPLIFIER:
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- Explain the process by which amplification
occurs in a BJT and show the process on a load line.
- Show the concept of a small signal
or ac model of a transistor.
- Define and be able to determine for
a BJT the input dynamic resistance, the dynamic current
gain and transconductance.
- Construct for a BJT the small signal
flat band circuit models.
- Draw the schematic diagram for and
explain the operation of a complete common emitter.
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- FET SMALL SIGNAL AMPLIFIER:
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- Explain the process by which amplification
occurs in a FET and compare it with the process for a BJT.
- Define the transconductance for both
depletion mode and enhancement mode FETs.
- Construct for a FET the small signal
flat band circuit model.
- Draw the schematic diagram for and
explain the operation of a complete common source amplifier
with source resistance bypassed.
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