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Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Potentiometer as a Rheostat

Textbook

Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Sensitive Voltage Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

pH Measurement

Textbook

A very important measurement in many liquid chemical processes…

Single-ended and Differential Amplifiers

Textbook

For ease of drawing complex circuit diagrams, electronic amplifiers…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

Voltage Divider Calculator

Tools

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Static Electricity Sensor

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

Physiological Effects of Electricity

Textbook

Most of us have experienced some form of electric “shock,”…

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

Look-up Tables

Textbook

Having learned about digital memory devices in the last chapter, we…

Permanent Magnets

Textbook

Centuries ago, it was discovered that certain types of mineral rock…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

4-wire Resistance Measurement

Textbook

PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…

Bipolar Junction Transistors in Active Mode

Worksheets - Automotive

Don’t just sit there! Build something!! Learning to mathematically…

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

Read-Only Memory (ROM)

Textbook

Read-only memory (ROM) is similar in design to static or dynamic RAM…

Asymmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an asymmetric stripline

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

The Shockley Diode

Textbook

Our exploration of thyristors begins with a device called the…

Step-up, Step-down, and Isolation Transformers

Worksheets - Automotive

Calculate the voltage output by the secondary winding of a transformer…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Inductive Reactance

Worksheets - Automotive

Don’t just sit there! Build something!! Learning to mathematically…

Series DC Circuits Practice Worksheet with Answers

Worksheets - Automotive

In this circuit, three resistors receive the same amount of current (4…

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…

The Pentode

Textbook

Another strategy for addressing the problem of secondary electrons…

Larger 5 & 6-variable Karnaugh Maps

Textbook

Larger Karnaugh maps reduce larger logic designs. How large is large…

Delta and Wye 3-Phase Circuits

Worksheets - Automotive

Label where each of the following electrical quantities would be found…

Design Project: DC Motor

Worksheets - Automotive

The armature windings of your DC motor will have very low resistance.…

Trigonometric Equivalencies

Textbook

Build a Transformer

Textbook

PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

Static Electricity

Textbook

It was discovered centuries ago that certain types of materials would…

Simple Series Circuits

Textbook

On this page, we’ll outline the three principles you should…