Learners study an animated PLC counting operation and examine how the count is automatically reset.
Transistor DC Analysis Practice Problems: Circuit #2
By Patrick Hoppe
Learners analyze a base-biased npn transistor circuit. A "help" screen is available.
Superposition Theorem with Complex Numbers
Students read an explanation of "superposition" as a technique for ac circuit analysis. Complex numbers are used.
Comparing Electronic and Hydraulic Components
By Terry Bartelt
Learners read about the similarities of electronic and hydraulic components and then match the schematic symbols in a drag-and-drop exercise.
Op Amp Fundamentals: The Inverting Amplifier
The inverting amplifier configuration is presented. The closed loop voltage gain and the closed loop bandwidth formulas are explained, along with the concept of negative feedback.
The schematic symbols of logic gates used in digital circuits are shown.
Logic State Signals
In this learning activity you'll identify the voltage levels produced or recognized by digital logic devices as valid or invalid logic state signals.
Instructions on how to use and construct a truth table for digital devices are provided.
Digital Circuit Devices
The two types of digital devices, logic gates and flip-flops, and the types of basic operations they perform are presented.
The Logic Gates
Students read information about basic logic gates including the gates' names, symbols, Boolean expressions, pronunciations, and truth tables. They then complete a matching exercise.
You'll focus on terminology related to designing a hypothetical program.
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