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Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…

Power Supply Circuits

Textbook

There are three major kinds of power supplies: unregulated (also…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)

Textbook

A voltage multiplier is a specialized rectifier circuit…

Voltage/Current Converter OpAmp Circuits

Worksheets - Power Supplies

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

AC Instrumentation Transducers

Textbook

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

Rectifier Circuits

Worksheets - Power Supplies

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

Bipolar Junction Transistors as Switches

Worksheets - Power Supplies

Solid-state switching circuits usually keep their constituent…

Negative Feedback

Textbook

If we connect the output of an op-amp to its inverting input and apply…

Current Mirror BJTs

Textbook

Bipolar Junction Transistor or BJT Current Mirror An often-used…

Zener Diodes

Worksheets - Power Supplies

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

Three-phase Power Systems

Textbook

What is Split-Phase Power Systems? Split-phase power systems achieve…

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Power Supplies

What shape of voltage waveform would you expect to measure (using an…

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

Class A BJT Amplifiers

Worksheets - Power Supplies

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

Linear Computational Circuitry

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

Inductance

Worksheets - Power Supplies

∫f(x) dx Calculus alert! One of the fundamental principles of…

Batteries

Worksheets - Power Supplies

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

Maximum Power Transfer Theorem

Textbook

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

Resistors

Textbook

Because the relationship between voltage, current, and resistance in…

Peak to Peak Voltage Calculator (VP-P)

Tools

This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.

AC Negative Feedback OpAmp Circuits

Worksheets - Power Supplies

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

Current Divider Circuits

Worksheets - Power Supplies

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

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

555 Schmitt Trigger

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Don’t Care Cells in the Karnaugh Map

Textbook

Up to this point we have considered logic reduction problems where…

555 Monostable Multivibrator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Voltage Regulator

Textbook

PARTS AND MATERIALS Four 6 volt batteries Zener diode, 12…

Timer Circuits

Worksheets - Power Supplies

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

AC Metrology

Worksheets - Power Supplies

In power distribution systems, it is very important to be able to…

Coil Inductance Calculator

Tools

This calculator computes the inductance of a wire coil.

Basic Voltmeter Use

Worksheets - Power Supplies

What will this voltmeter register when connected to a battery as shown…

Factors Affecting Capacitance

Textbook

There are three basic factors of capacitor construction determining…

Kirchhoff’s Voltage Law (KVL)

Textbook

What is Kirchhoff’s Voltage Law (KVL)? The principle known as…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

What is Alternating Current (AC)?

Textbook

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

555 Ramp Generator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 470 µF…

Full-wave Bridge Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6 volt output) Four…

Peak Voltage Calculator

Tools

The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.

Vol II. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…

What are “Series” and “Parallel” Circuits?

Textbook

Circuits consisting of just one battery and one load resistance are…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Multiplexers and Demultiplexers

Worksheets - Power Supplies

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

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…

The Common-gate Amplifier (IGFET)

Textbook

Fundamentals of SPICE programming

Textbook

Programming a circuit simulation with SPICE is much like programming…

Timer Circuits

Worksheets - Power Supplies

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

Simple Series Circuits

Textbook

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

Introduction to Electron Tubes

Textbook

An often neglected area of study in modern electronics is that of…

Basic Electricity Worksheet

Worksheets - Power Supplies

What is the purpose of the switch shown in this schematic diagram?

What is a Meter?

Textbook

A meter is any device built to accurately detect and display an…

Regulated Power Sources

Worksheets - Power Supplies

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

Wires and Connections

Textbook

Older electrical schematics showed connecting wires crossing, while…

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

Optothyristors

Textbook

Like bipolar transistors, SCRs and TRIACs are also manufactured as…

Superconducting Devices

Textbook

Superconducting devices, though not widely used, have some unique…

Conductors and Insulators

Worksheets - Power Supplies

Given two lengths of metal wire, which one will have the least…

More on Spectrum Analysis

Textbook

Computerized Fourier analysis, particularly in the form of the FFT…

Analog-to-Digital Conversion

Worksheets - Power Supplies

The circuit shown here is a four-bit analog-to-digital converter…