All About Circuits

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Phase Rotation

Phase Rotation

Three-Phase Alternator Let’s take the three-phase alternator…


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Binary Math Circuits

Binary Math Circuits

Add the following binary numbers:


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Si Lab - Half-wave Rectifier

Si Lab - Half-wave Rectifier

In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.


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PN Junctions

PN Junctions

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


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Parallel Resistor Calculator

Parallel Resistor Calculator

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.


Tools

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

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

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


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Active Loads in Amplifier Circuits

Active Loads in Amplifier Circuits

We know that the current in a series circuit may be calculated with…


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Bipolar Transistor Biasing Circuits

Bipolar Transistor Biasing Circuits

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


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More on AC “polarity”

More on AC “polarity”

Complex numbers are useful for AC circuit analysis because they…


Textbook

Other Waveshapes

Other Waveshapes

As strange as it may seem, any repeating, non-sinusoidal waveform is…


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Measurements of AC Magnitude

Measurements of AC Magnitude

So far we know that AC voltage alternates in polarity and AC current…


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

A wound rotor induction motor has a stator like a squirrel cage…


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Zener Diodes

Zener Diodes

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


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Design Project: DC Voltage Regulator

Design Project: DC Voltage Regulator

It may seem difficult to even start on a project such as this, with no…


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Branch Current Method Analysis

Branch Current Method Analysis

The most straightforward DC network analysis technique is the branch…


Textbook

Static Electricity

Static Electricity

What does it mean for an object to have an electric charge? Give an…


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Basic Electromagnetic Relays

Basic Electromagnetic Relays

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


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Conventional Versus Electron Flow

Conventional Versus Electron Flow

“The nice thing about standards is that there are so many of…


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Design Project: Simple Component Curve-Tracer Circuit

Design Project: Simple Component Curve-Tracer Circuit

What do each of the oscilloscope axes represent, in real-life terms…


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Resistors

Resistors

Shown here is the schematic symbol for a resistor: What is the purpose…


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Wiring Color Codes

Wiring Color Codes

Wiring for AC and DC power distribution branch circuits are color…


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Physical Effects of Electricity

Physical Effects of Electricity

Certain substances are known to physically deform (shorten or…


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Amplifiers

Amplifiers

Practical Benefit of Active Devices The practical benefit of active…


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Negative Feedback OpAmp Circuits

Negative Feedback OpAmp Circuits

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


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Resistance, Reactance, and Impedance

Resistance, Reactance, and Impedance

What will happen to the brightness of the light bulb as the iron core…


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Heat Sink Calculator

Heat Sink Calculator

This calculator helps determine the maximum temperature a device can withstand


Tools

Capacitance Calculator

Capacitance Calculator

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.


Tools

Electrical Transients

Electrical Transients

This chapter explores the response of capacitors and inductors to…


Textbook

Digital Lab - Digital Combination Lock

Digital Lab - Digital Combination Lock

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.


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DC Bridge Circuits

DC Bridge Circuits

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


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Thermocouples

Thermocouples

Seebeck Effect An interesting phenomenon applied in the field of…


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Basic Logic Gate Troubleshooting

Basic Logic Gate Troubleshooting

Counting practice: count from zero to thirty-one in binary, octal, and…


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Ionization (gas-filled) Tubes

Ionization (gas-filled) Tubes

So far, we’ve explored tubes which are totally…


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Soldering

Soldering

Both soldering irons and soldering guns are tools used in the process…


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Diodes

Diodes

A diode is an electronics component made from a combination of a…


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Impedance Transformation

Impedance Transformation

Standing waves at the resonant frequency points of an open- or…


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SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


Textbook

Contributors (10)

Contributors (10)

Contributors to this chapter are listed in chronological order of…


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DC Lab - Rate-of-change Indicator

DC Lab - Rate-of-change Indicator

In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.


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Lock-out / Tag-out

Lock-out / Tag-out

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


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Design Project: Radio Transmitter

Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…


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What is a Meter?

What is a Meter?

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


Textbook

Si Lab - JFET Switching Circuit and Static Electricity Sensor

Si Lab - JFET Switching Circuit and Static Electricity Sensor

In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.


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Performance-Based Assessments for Digital Circuit Competencies

Performance-Based Assessments for Digital Circuit Competencies

(Template)


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Active Versus Passive Devices

Active Versus Passive Devices

Passive Devices Components incapable of controlling current by means…


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Averager and Summer Circuits

Averager and Summer Circuits

If we take three equal resistors and connect one end of each to a…


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Coefficients of Specific Resistance

Coefficients of Specific Resistance

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…


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SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


Textbook

Special-purpose Diodes

Special-purpose Diodes

Schottky diodes Schottky diodes are constructed of a metal-to-N…


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Inductor Sizing Equation

Inductor Sizing Equation

The Inductance Formula     Wheeler’s formulas for…


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Time Constant Circuits

Time Constant Circuits

Generally speaking, how many “time constants” worth of time does…


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Nonlinear Conduction

Nonlinear Conduction

“Advances are made by answering questions. Discoveries are made…


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Oscillator Circuits

Oscillator Circuits

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…


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Metric Notation

Metric Notation

The metric system, besides being a collection of measurement units for…


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Bandpass Filter Calculator

Bandpass Filter Calculator

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.


Tools

Intro Lab - How to Use an Ohmmeter to Measure Resistance

Intro Lab - How to Use an Ohmmeter to Measure Resistance

In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure resistance using the ohmmeter function.


Textbook

Phase-locked Loops

Phase-locked Loops


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Octal and Hexadecimal to Decimal Conversion

Octal and Hexadecimal to Decimal Conversion

Although the prime intent of octal and hexadecimal numeration systems…


Textbook

Four-Channel Audio Mixer

Four-Channel Audio Mixer

A very common misconception students have about potentiometers is the…


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Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


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