Devices A (3) CSU Lecture 3 hours.
Recommended Prerequisites: Electronics
4A and 4B.
Principles of semiconductors including
diodes, bipolar and field effect transistors, SCR's, tunnel diodes,
light emitting diodes, photo-transistors, DIACs, TRIACs, Zener diodes,
UJT’s, tubes. Characteristic curves for semiconductor
devices. Biasing and load lines. Common emitter, collector,
and base transistor configurations. Sample applications of
semiconductor devices. Computer aided circuit analysis.
Devices B (1) CSU Laboratory 3 hours.
Recommended Corequisite: Electronics
Provides laboratory experience in the
characterisitics and applications of solid state electron devices and
the use of test equipment including multimeter, oscilloscope, function
generator, and DC supply. Lab work focused on constructing,
testing, analyzing, and troubleshooting a variety of circuits using
semiconductor devices, including diodes and transitors.
Supplemented with circuit simulation.
Electronics 8A Course
- Define semiconductors. Discuss bonding, PN junction,
biasing and the diode. Draw diode characteristic curves.
Plan diode testing
procedures and electrostatic discharge protection procedures.
Draw schematic symbols
- Identify diode applications. Draw schematic diagrams
showing half wave rectification and full wave
rectification. Graph power supply capacitor and inductor
filtering waveforms. Identify diode parameters found in
device data sheets. Utilize the internet to find device data
- Draw the zener diode characteristic curve and label important
parameters. Design a voltage
regulator using a zener diode and calculate circuit parameters
including load regulation. Plot a regulation curve. Plot
the curve using computer aided schematic capture and design software.
- Discuss and draw schematic symbols for special purpose diodes
including varactors, and light
emitting diodes. Identify diode parameters found in device data
sheets. Examine trouble shooting procedures for diode
circuits. Calculate the series resistor needed for light emitting
- Recognize bipolar junction transistor construction,
and device parameters. Draw the schematic symbol, package, and
identification. Draw the characteristic curve for a bipolar junction
- For a bipolar transistor, determine beta from device data sheets
and calculate the DC operating point for base and
emitter biasing. Draw a self bias schematic diagram
and calculate DC gain and beta.
- Draw the schematic for a voltage divider bias transistor
amplifier and describe the feedback principles. Calculate
the DC parameters including resistor values in a common emitter
voltage divider bias amplifier.
- Explain small signal bipolar amplifier operation. Draw the
equivalent circuit. Recognize the function, operation, and
amplifier configurations including common emitter, base and
- Calculate bias for common base and common emitter
amplifiers. Describe the affect of changing component values in an
amplifier. Calculate the affect of changing component values in
sample amplifier configurations. Utilize computer schematic
capture and circuit analysis software to calculate amplifier parameters.
- Calculate input and output impedance and gain in common
emitter, base and collector configurations. Describe the purpose
of having high or low impedance at an input or output of an amplifier.
- Identify analog and digital amplifier configurations and
applications. Develop a troubleshooting procedure for
amplifiers. Describe frequency range
considerations and the affect of frequency response on stability.
Calculate gain expressed in decibels.
- Draw the schematic symbol for various types of field effect
transistors. Draw and tabulate device characteristics and
parameters. Metal oxide semiconductor field effect
transistor. Calculate component values in junction field effect
transistor bias circuits.
- Investigate small signal field effect transistor
amplifiers. Calculate bias examples in common
source, drain and gate amplifiers
- Describe feedback principles and AC
characteristics of field effect amplifiers. Calculate Input and
impedance, frequency response, and gain in sample JFET configurations.
- List and draw schematic symbols for various thyristors and other
similar semiconductor devices. Draw characteristic curves, and
list important parameters for silicon controlled
rectifiers, DIACs, TRIACs, unijunction transistors, phototransistors,
optoisolators, and other optical devices.
Electronics 8B Electron Devices Laboratory
- Construct, calculate, and measure diode characteristics including
forward and reverse voltages and currents. Plot a diode
characteristic curve using experimental data. Ideal diode
- Construct, calculate, and measure zener diode characteristics
including forward and reverse voltages and currents. Plot a zener
diode characteristic curve using experimental data. Calculate the
circuit parameters and build a simple zener diode shunt regulator.
- Design half and full wave diode rectifier circuits. Plot
rectified waveforms using data obtained through the use of
laboratory test equipment. Bias a light emitting diode and vary
the forward current.
- Design and construct a filtered DC power supply and measure
circuit parameters under various load conditions. Draw circuit
waveforms obtained using laboratory equipment.
- Research three terminal regulator data sheets to determine device
characteristics. Design and build a 3 terminal regulator power
supply and measure circuit parameters under various load conditions.
- Plot bipolar junction transistor characteristic curves utilizing
data obtained using laboratory instruments. Setup a transistor
curve tracer instrument and compare experimental results with
- Calculate and measure transistor load line, Q-Point, and biasing
parameters for a bipolar transistor.
- Analyze and build a self bias transistor bias circuit and analyze
the stability of amplifier characteristics.
- Analyze and build a divider bias common emitter amplifier and
measure circuit parameters. Modify circuit values and evaluate
their affect on circuit gain and voltage measurements across circuit
- Plot the frequency response of a common emitter bipolar
transistor amplifier, with and without emitter bypass capacitors using
data obtained by constructing the circuit. Plot the frequency
responce using experimental data and compare to results obtained using
a computer-aided circuit analysis program.
- Plot the characteristc curve of a silicon controlled
rectifier. Build an SCR phase control circuit. Draw the
waveforms found across the control device and the load. Draw the
schematic diagram for a light dimmer circuit using a TRIAC. Draw
the waveforms found across components in the dimmer.
- Build a common base amplifier and measure the circuit voltage and
current gain. Tabulate results.
- Analyze and build a JFET amplifier and measure
circuit parameters. Modify circuit values and measure the
circuit gain and voltage.
- Build and test a two or three stage audio amplifier.
Measure and evaluate and tabulate circuit parameters including stage
- Perform lab skill demonstration exercise.