Transfer Functions: The RL High Pass Filter With Bode Plot

By Patrick Hoppe

Learners read how the transfer function for a RL high pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench, and the resulting Bode plot is compared to the graph from Excel.

The Solenoid

By Terry Bartelt

In this interactive lesson, students view the operation of a solenoid and read about its application. A brief assessment concludes the activity.

Current Source Approximations

Learners examine first and second approximations and view examples of a "stiff" current source.

DC Circuit Analysis: The Series Circuit

Learners examine a general approach to solving for the current through, the voltage across, and the power dissipated by each resistor in a series DC circuit. A three-resistor series circuit is used as an example.

Resistance Temperature Detector (RTD)

Learners study animations to see the connection between temperature and resistance as they examine the operation of an RTD. A table is used to convert resistance readings to the corresponding temperatures. A brief quiz completes the activity.

Ratio Pyrometers

Learners study the theory of operation for a ratio pyrometer that measures temperature. A short quiz completes the activity.

Electronic WorkBench: The Bode Plotter

Electronic WorkBench has a virtual instrument called "The Bode Plotter." Students view the proper set-up and use of this device.

Retro-Reflective Optical Sensors

Learners study the operation of the retro-reflective optical sensor, along with the guidelines that should be followed regarding the target size, reflector size, alignment, and the reflectivity of the target.

Four-Wire Sensors

In this animated object, learners examine the signals produced at the N.O. (normally open) and N.C. (normally closed) outputs of sourcing and sinking four-wire sensors. A brief quiz completes the activity.

Sinking/Sourcing Input Modules

Learners examine the conventional current flow at a PLC input module, along with the field devices connected to it. This interactive object includes quiz questions and feedback.

Op Amps 1: The Operational Amplifier

By Todd Van De Hey

The learner will examine the basic characteristics of the operational amplifier integrated circuit and solve for Vout.

Internal Elements of a 555 Timer (Screencast)

In this screencast, learners examine the internal elements of a 555 IC and their operation.

Mechanical Advantage (Screencast)

By James Bourassa, John Rosz

Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.

Line Symbols (Screencast)

Learners examine the different types of lines used on a P&ID diagram and the types of connections they represent. They test their knowledge in a matching exercise.

Vertical Controls

By Terry Fleischman

In this learning activity you'll read the procedures for using the vertical function of an oscilloscope and view illustrations of waveforms.

Voltage Source Approximations

Students examine the first and second approximations of a voltage source. A "stiff" voltage source is defined, and several examples are given.

Thermal Flowmeters

In this animated object, learners examine the operation of a thermal flowmeter used in process control applications. A brief quiz completes the activity.

Statics: Scalar vs. Vector

By Steve Whitmoyer

Learners read an introduction of scalar quantity and vector quantity and force. Examples are given.

How to Reset a Counter

By Terry Bartelt, Tom Yapp

In this animated object, learners examine the proper way to reset a counter instruction in a programmable controller.

Op Amp Fundamentals: The Transresistance Amplifier

The current-to-voltage conversion of the transresistance amplifier is examined. The formulas for output voltage and impedance are defined and an example ties the concepts together.

The Silicon Controlled Rectifier

In this animated activity, learners examine the operation of the SCR, including how it is biased and how it is turned off. A brief quiz completes the object.

Voltage Regulation of a Zener Diode

By Terry Bartelt, Terry Fleischman

The learner will understand how a zener diode maintains a constant voltage as the resistance values of a load change.

Parallel Circuit Analysis Practice Problems Part 2

In this interactive object, students work 11 practice problems and solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

Parallel Circuit Analysis Practice Problems: Circuit #9

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

GD&T - The Feature Control Frame (Screencast)

By Glenn Sokolowski

In this screencast, Geometric Dimensioning & Tolerancing: The Feature Control Frame, learners examine geometric characteristic symbols, tolerances, datum feature symbols, and other control frame information.