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ELEN 3421 Electronics I
Catalog Description: Design and analysis of circuits using diodes, transistors, and linear and
digital integrated circuits. Design of amplifiers using transistors, and linear integrated
circuits.
By course: ELEN 2411 Circuits I with grade of C or better.
By topic: KCL, KVL, basic circuit analysis including DC, AC, and transient analysis, Diode,
Transistor, and Op-amp Characteristics, DC and small signal analysis of diodes
and transistors.
Courses that require this as a prerequisite: Electronics II
Credits: 4
Offered: Fall Annually
Instructors:
Primary: Selahattin Sayil
Secondary:
Textbook: Microelectronics Circuit Analysis and Design, Donald A. Neaman, McGraw
Hill Publishers, Fourth Edition.
References: Schematic Capture with Electronics Workbench Multisim, Marc E.
Herniter, Prentice Hall, 2004, ISBN 0-13-049614-6.
Microelectronic Circuits, Adel S. Sedra and Kenneth C. Smith, Oxford University Press,
Fifth Edition, 2004, ISBN 0-19-514251-9.
Objectives (with corresponding ABET Criteria/outcomes):
Ensure students can:
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Explain operation of diodes (Criterion 3(a))
Analyze and design diode rectifier circuits (Criterion 3(b)(c)(g)(k))
Analyze and design diode clipper, clamper and regulator circuits (Criterion 3(b)(c)(g)(k))
Describe operation of MOS transistors (Criterion 3(a))
Analyze and design MOS Amplifier circuits (Criterion 3(a)(c))
Apply Multisim simulation tool to obtain transient response (Criterion 3(b)(c),(k))
Analyze a multistage amplifier. (Criterion 3(a))
Analyze and design JFET Amplifier circuits (Criterion (Criterion 3(b)(c)(g)(k))
Describe operation of BJT transistors (Criterion 3(a))
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Estimate small signal voltage gain of an amplifier (Criterion 3(a)
Analyze and design basic op-amp configurations such as inverting, non-inverting and
summing amplifier (Criterion 3(b)(c)(g)(k))
Calculate voltage gain, input and output resistance of BJT Amplifiers (Criterion 3(a))
Determine the amplifier load line (Criterion 3(a))
Describe the functional purpose of discrete components and integrated circuits by having
hands on experience (Criterion 3(b),(c)).
Derive BJT/JFET transistor DC and AC characteristics by experimentation (Criterion
3(b),(c)).
Use Analog Discovery module to analyze and design electronics circuits (Criterion 3 (b),
(c), (k)).
Gather data and write reports as part of their laboratory assignments (Criterion 3(b),(g)).
Topics (approximate number of lecture hours):
• Introduction to semiconductors and diode physics. (3 hours)
• Diodes: physics, DC and small-signal model, applications. (5 hours)
• BJTs: physics, biasing, small-signal model. (9 hours)
• BJT single-stage amplifiers: analysis and design. (7 hours)
• MOSFETs, JFETs: physics, DC analysis, small-signal model. (8 hours)
• MOSFET single-stage amplifiers: analysis and design. (6 hours)
• The Ideal Operational amplifier. (4 hours)
Topics (One lab each week):
• Diode Characteristics and Applications
• BJT Characteristics I
• BJT Characteristics II
• BJT Amplifiers
• JFET Characteristics
• JFET Amplifier
• Op-Amp Characteristics
• Op-Amp Applications -I
• Op-Amp Applications -II
Structure: Blackboard Content: 5 modules with each module containing about 150minutes of video lecture. Two exams, quizzes and a two hour final. Simulation
assignments, Discussion Forum.
Structure of Lab: 8 online laboratories assigned via Analog Discovery. Lab report assignments
due at the end of each module. Reports include pre-lab assignment, objectives, methods,
equipment list, and the lab results (sometimes in the form of tables and graphs created by
Excel), solutions to lab assignments and conclusion.
Policy: Assignment is due next week same day after it has been assigned. Late homework, if
accepted, is subject to 20% Penalty. No homework accepted after solution is posted. You are
encouraged to work together on homework; however it should be your work that is submitted. It
is your responsibility to know all exam dates and arrival times for the exam. No make-up exams
will be given in this class except for written medical excuse and no extra time will be given for
late students. Even if you are late in the exam, you must turn in at the due time.
Emergency Procedures. Many types of emergencies can occur on campus; instructions for
severe weather or violence/active shooter, fire, or chemical release can be found at:
http://www.lamar.edu/about-lu/administration/risk-management/index.html.
Following are procedures for the first two:
Severe Weather:
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Follow the directions of the instructor or emergency personnel.
Seek shelter in an interior room or hallway on the lowest floor, putting as many walls as
possible between you and the outside.
If you are in a multi-story building, and you cannot get to the lowest floor, pick a
hallway in the center of the building.
Stay in the center of the room, away from exterior walls, windows, and doors.
Violence/Active Shooter (CADD):
ƒ CALL - 8-3-1-1 from a campus phone (880-8311 from a cell phone). Note: Calling
9-1-1 from either a campus phone or cell phone will contact Beaumont City Police
Dispatch rather than University Police.
ƒ AVOID- If possible, self-evacuate to a safe area outside the building. Follow directions
of police officers.
ƒ DENY- Barricade the door with desks, chairs, bookcases or any other items. Move to a
place inside the room where you are not visible. Turn off the lights and remain quiet.
Remain there until told by police it is safe.
ƒ DEFEND- Use chairs, desks, cell phones or whatever is immediately available to distract
and/or defend yourself and others from attack.
Academic Continuation Policy:
In the event of a campus closure due to hurricane or other disaster courses will continue after a
four day lapse to allow time for evacuation. This course will be conducted via email. Students
must begin checking their Lamar email address for where instructions and course materials and
required student work will be sent and received by the instructor.