Graphical BJT/JFET Transistor Biasing
By Roger Brown
Learners use two calculations to prepare a graphical solution to the biasing of bipolar junction transistors and junction field effect transistors. This method eliminates the problem of having to re-calculate the operational Q point when dealing with hard saturation.
The Frequency Generator: Miscellaneous Controls
By Terry Bartelt
Learners read a description of the DC offset function, the 50 ohm and 600 ohm output terminals, and the TTL/CMOS output terminal.
Series RL Circuit Practice Problems
By James Bourassa, John Rosz
Students calculate current, phase angle, resistor voltage, inductor voltage, and power.
Pulse Train Fundamentals
By Patrick Hoppe
Learners examine the fundamentals of a pulse train. Concepts such as time on, time off, duty cycle, period, and frequency are covered.
Transistor Fundamentals: E-MOSFETs, the Ohmic Region
The ohmic region of the E-MOSFET is identified. Formulas are given to determine the proper operation in the ohmic region. An example of circuit analysis is also given.
General Shop Safety - Rigging & Lifting
By Kelly Curran
In this learning activity you'll review rigging and lifting as well as signals for crane movement.
Indirect Measurement
In this learning activity you'll review a visual overview of indirect measurement.
Reading the Title Block
By Jessie Jelinski
In this activity we’ll explain what a title block is and how to read the information it holds.
Sine Wave Fundamentals: Practice Problem #10
In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave that is displayed on an oscilloscope screen.
Parallel Capacitance
In this learning activity you'll review the steps for determining the total capacitance of a parallel circuit and work practice problems.
Impedance: Parallel to Series Conversion
Students view the formulas to be used to convert a parallel impedance to a series impedance.
Current Source Approximations
Learners examine first and second approximations and view examples of a "stiff" current source.
Standard Calibration Procedure
Learners follow steps to calibrate a transmitter used in process control applications. A brief quiz completes the activity.
The DC Motor
Learners examine the wiring of the primary components of the three types of DC motors, series, shunt, and compound. The operational characteristics of each type of motor are described. A quiz completes the activity.
Lathe - Cutting Tool Shapes
This document is a visual and text description of lathe cutting tool shapes.
General Safety - Ears and Face
In this learning activity you'll review the safety equipment used to protect a worker's face and ears.
Layout Procedures
This document gives the procedures for layout on the surface of material.
Sine Wave Fundamentals: Practice Problem #8
HURCO Controller – Interactive Programming - Manual
By Dave Hoffman
Learners are asked to control the Adira press brake following the same steps they would if working on the actual machine.
Lathe Project: Tapers with a Taper Attachment - Gear Spindle
This project gives a drawing with steps to complete the activity.
Lathe Project: Turning with a Follower Rest
Project Sheet - Sawing 2
This project gives a drawing and steps to complete the activity.
Project Sheet: Angle Plate Part 2
Ohmmeter Measurement Connections
Learners read a step-by-step approach on how to connect an ohmmeter when making measurements in this interactive lesson.
Voltage Regulation
In this animated activity, learners examine how the speed of a motor may change if the voltage from the power source fluctuates due to power line irregularities. This lesson has audio content.