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Students read an explanation of the operation of an operational amplifier that functions as a comparator.
A Sample DC/AC I Exam
By Patrick Hoppe
Students complete a sample exam for DC/AC I. It provides an overview of the material presented in the course.
AC Capacitor: A Water Tank Analogy
By Roger Brown
In this animated lesson, students read an analogy comparing water in a "special" water tank to the current "flow" through a capacitor.
Basic Logic Gates
By Terry Bartelt, Terry Fleischman
The learner will understand the operation of the six fundamental logic gates and the inverter by using truth tables, Boolean Algebra equations, switch analogies, and written statements.
Voltage Regulation of a Zener Diode
The learner will understand how a zener diode maintains a constant voltage as the resistance values of a load change.
Using an Indicator
By Janet Braun, Barbara Anderegg
Students read about the basics of using an indicator.
Op Amps 3: The Inverting Amplifier
By Todd Van De Hey
Describe the inverting op-amp configuration and calculate the circuit gain.
Op Amps 4: The Op Amp Buffer
Understand the op-amp buffer configuration and calculate basic circuit impedance.
By Terry Bartelt
Learners view the operation of the 7485 integrated circuit magnitude comparator in this animated object. A quiz completes the activity.
The Time Proportioning Operational Amplifier
In this animated object, learners see how a time proportioning operational amplifier varies an average DC voltage. A brief quiz completes the activity.
Explained the topic simply and clearly. Appretiated the step by step aproach.
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