In this learning activity, learners will learn to calculate the average voltage produced by half-wave and full-wave rectifiers.

Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.

Learners view the operation of a full-wave rectifier which has two diodes.

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

Students read about the concepts of saturation and cutoff. They view diagrams that illustrate the interaction of the load line and the family of curves.

Learners observe the waveforms in a circuit in which a triac controls the brightness of a lamp’s light. A brief quiz completes the activity.

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.

Students read about decibel power gain and decibel voltage gain. Examples are given for each.

The Ideal Bode plot is introduced. The three main topics covered are: corner frequencies, midband voltage gain, and the roll-off rate.

Students read an explanation of the summing amplifier and the formulas for closed-loop gain. An example is given.

Learners examine the fundamental operation of a difference operational amplifier. A brief quiz completes the activity.

In this animated object, learners examine the operation of a summing operational amplifier through formulas, tables, and animated illustrations. A brief quiz completes the activity.

Students read an introduction to the electronic workbench and view a demonstration of how to open a file for circuit simulation.

Students read about the operation of the zener diode. This activity includes the ideal zener, the breakdown operation, the calculation of series, and zener and load current.

In this animated object, learners examine the fundamental operation of a diac including how it is turned on and turned off. A brief quiz completes the activity.

Learners observe the animated operation of an astable mulivibrator using a 555 IC (integrated circuit) chip and external components.

In this animated object, learners examine the operation of a temperature alarm circuit that uses a thermistor in a Wheatstone Bridge.

Students view a dc analysis of a base-biased NPN transistor.

In this animated object, learners examine the operation of a Schmitt Trigger IC and its hysteresis function. A brief quiz completes the activity.

Students read the terms associated with the Bipolar Junction Transistor (BJT) . They also view formulas for dc current and voltage.

In this animated learning object, students read about the operation of a half-wave rectifier.

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.

In this animated activity, students view the plastic pellets in a profile extrusion machine being melted as the temperature of the heating elements is elevated by a time proportioning control system.

In this learning activity you'll explore the operation of a full-wave bridge rectifier circuit.

Students examine the drain curves for a JFET. They are also introduced to vocabulary terms and formulas.