Categories

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

Oscillator Circuits

Worksheets - Switching Regulator

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

The Silicon-Controlled Rectifier (SCR)

Textbook

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Batteries

Worksheets - Switching Regulator

If I wanted to build a battery-powered electric drill, would it be…

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

Basic Oscilloscope Operation

Worksheets - Switching Regulator

An oscilloscope is a very useful piece of electronic test equipment.…

Linear Computational Circuitry

Worksheets - Switching Regulator

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

Some Examples with AC Circuits

Textbook

Let’s connect three AC voltage sources in series and use complex…

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

Basic AC-DC Power Supplies

Worksheets - Switching Regulator

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

Power Quality Measurement

Textbook

It used to be with large AC power systems that “power…

AC Instrumentation Transducers

Textbook

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

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Switching Regulator

(Template)

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

Junction field-effect transistors (JFET)

Worksheets - Switching Regulator

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

What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

Capacitor Charge and Time Constant Calculator

Tools

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.

Voltage Signal Systems

Textbook

The use of variable voltage for instrumentation signals seems a rather…

Design Project: Signal Generator

Worksheets - Switching Regulator

Explain the principle of operation for the particular integrated…

Class A BJT Amplifiers

Worksheets - Switching Regulator

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

Wiring Color Codes Infographic

Textbook

Wiring Color Codes Infographic. Released under the Creative Commons…

Beam Power Tubes

Textbook

In the beam power tube, the basic four-element structure of the…

Basic Ohmmeter Use

Worksheets - Switching Regulator

Explain how an ohmmeter is able to measure the resistance of a…

Bipolar Junction Transistors in Active Mode

Worksheets - Switching Regulator

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

Series Batteries

Textbook

PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery  …

Build a Transformer

Textbook

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

Voltage Comparator

Textbook

Parts and Materials Operational amplifier, model 1458 or 353…

Component Failure Analysis

Textbook

The job of a technician frequently entails…

Resonance

Worksheets - Switching Regulator

The Q factor of a series inductive circuit is given by the following…

AC Waveforms

Worksheets - Switching Regulator

Radio waves are comprised of oscillating electric and magnetic fields,…

DC Generator Theory

Worksheets - Switching Regulator

Generators used in battery-charging systems must be regulated so as to…

Variable Inductor

Textbook

PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Low-pass Filters

Textbook

By definition, a low-pass filter is a circuit offering easy passage to…

Quantum Physics

Textbook

“I think it is safe to say that no one understands quantum…

Calculating Power Factor

Textbook

As was mentioned before, the angle of this “power…

Twisted-Pair Impedance Calculator

Tools

A tool designed to calculate the characteristic impedance of a twisted-pair cable

Battery Ratings

Textbook

Because batteries create current flow in a circuit by exchanging…

Transistors, junction field-effect (JFET)

Textbook

Note that the direction of the arrow at the gate indicates the…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Transistor Ratings and Packages (IGFET)

Textbook

Voltage Divider

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

What is a Series-Parallel Circuit?

Textbook

With simple series circuits, all components are connected end-to-end…

Component Failure Analysis (Continued)

Textbook

“I consider that I understand an equation when I can predict the…

Contributors (15)

Textbook

Contributors to this chapter are listed in chronological order of…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Thevenin-Norton Equivalencies

Textbook

Since Thevenin’s and Norton’s Theorems are two equally…

Lock-out / Tag-out

Worksheets - Switching Regulator

In this motor control circuit, how would you ensure that there is no…

T-Pad Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.

Single-phase Power Systems

Textbook

Single phase power system schematic diagram shows little about the…

Strain Gauges

Textbook

If a strip of conductive metal is stretched, it will become skinnier…

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Transistor Ratings and Packages (JFET)

Textbook

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.