All About Circuits

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Capacitors and Calculus

Capacitors and Calculus

Capacitors do not have a stable “resistance” as conductors…


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Q Factor and Bandwidth of a Resonant Circuit

Q Factor and Bandwidth of a Resonant Circuit

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


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Ring Counters

Ring Counters

If the output of a shift register is fed back to the input. a ring…


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Coil Inductance Calculator

Coil Inductance Calculator

This calculator computes the inductance of a wire coil.


Tools

Capacitor Transient Response

Capacitor Transient Response

Because capacitors store energy in the form of an electric field, they…


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Signal Modulation

Signal Modulation

A modern method of electrical power control involves inserting a…


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Ohm’s Law (again!)

Ohm’s Law (again!)

A common phrase heard in reference to electrical safety goes something…


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Complex Voltage and Current Calculations

Complex Voltage and Current Calculations

There are circumstances when you may need to analyze a DC reactive…


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Time Constant Calculations

Time Constant Calculations

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


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Rectifier Circuits

Rectifier Circuits

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


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What Are Zener Diodes?

What Are Zener Diodes?

What Is a Zener Diode? A Zener diode is a special type of rectifying…


Textbook

Parallel DC Circuits Practice Worksheet With Answers

Parallel DC Circuits Practice Worksheet With Answers

In this circuit, three resistors receive the same amount of voltage…


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

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

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


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Polyphase Motor Design

Polyphase Motor Design

AC Motors Perhaps the most important benefit of polyphase AC power…


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Troubleshooting Series and Parallel Circuits

Troubleshooting Series and Parallel Circuits

The jobs of electronics engineers and technicians frequently entail…


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Basic AC-DC Power Supplies

Basic AC-DC Power Supplies

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


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Safety Grounding

Safety Grounding

In simple AC power systems, one of the two conductors is typically…


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AC Instrumentation Transducers

AC Instrumentation Transducers

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


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IGBTs

IGBTs

Because of their insulated gates, IGFETs of all types have extremely…


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DC Branch Current Analysis

DC Branch Current Analysis

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


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AC Lab - Introduction

AC Lab - Introduction

In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.


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Power Sources

Power Sources

There are many different types of power sources, and here some of the…


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The NOT Gate

The NOT Gate

The single-transistor inverter circuit illustrated earlier is actually…


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Practical Considerations of ADC Circuits

Practical Considerations of ADC Circuits

Perhaps the most important consideration of an ADC is its resolution.…


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Tubes versus Semiconductors

Tubes versus Semiconductors

Devoting a whole chapter in a modern electronics text to the design…


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Binary Count Sequence

Binary Count Sequence

If we examine a four-bit binary count sequence from 0000 to 1111, a…


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Performance-Based Assessments for Basic Electricity Competencies

Performance-Based Assessments for Basic Electricity Competencies

(Template)


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Resistors

Resistors

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


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Analog and Digital Signals

Analog and Digital Signals

Instrumentation is a field of study and work centering on measurement…


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Vectors and AC Waveforms

Vectors and AC Waveforms

OK, so how exactly can we represent AC quantities of voltage or…


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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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History of SPICE

History of SPICE

SPICE is a computer program designed to simulate analog electronic…


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Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.


Tools

Voltage Divider Circuits

Voltage Divider Circuits

Let’s analyze a simple series circuit and determine the voltage…


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Digital Lab - 3-bit Binary Counter

Digital Lab - 3-bit Binary Counter

In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.


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Conductor Ampacity

Conductor Ampacity

The smaller the cross-sectional area of any given wire, the greater…


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Impedance

Impedance

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


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Contributors (14)

Contributors (14)

Contributors to this chapter are listed in chronological order of…


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R, L and C Summary

R, L and C Summary

With the notable exception of calculations for power (P), all AC…


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Si Lab - Full-wave Bridge Rectifier With Output Filtering

Si Lab - Full-wave Bridge Rectifier With Output Filtering

In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.


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Derivative of a Constant

Derivative of a Constant

    (“c” being a constant)   RELATED…


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AC Lab - Build a Transformer

AC Lab - Build a Transformer

In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.


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The Importance of Electrical Safety

The Importance of Electrical Safety

With this lesson, I hope to avoid a common mistake found in…


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The Antiderivative (Indefinite Integral)

The Antiderivative (Indefinite Integral)

  Notice something important here: taking the derivative of f(x)…


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Circuit Wiring

Circuit Wiring

So far, we’ve been analyzing single-battery, single-resistor…


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Potentiometers

Potentiometers

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


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Table (portrait view)

Table (portrait view)

  Periodic table of chemical elements.


Textbook

AC Lab - Induction Motor

AC Lab - Induction Motor

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.


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Magnetic Units of Measurement

Magnetic Units of Measurement

In electric circuits, the three basic quantities are voltage (E or V),…


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Kelvin (4-wire) Resistance Measurement

Kelvin (4-wire) Resistance Measurement

Suppose we wished to measure the resistance of some component located…


Textbook

555 Lab - Introduction to the 555 Timer IC

555 Lab - Introduction to the 555 Timer IC

In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.


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Ohm’s Law

Ohm’s Law

For a given amount of water pressure, which will flow a greater rate…


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History of SPICE

History of SPICE

SPICE is a computer program designed to simulate analog electronic…


Textbook

Contributors (8)

Contributors (8)

Contributors to this chapter are listed in chronological order of…


Textbook

Circuit Components

Circuit Components

Remember that this tutorial is not exhaustive by any means, and that…


Textbook

Differential Transistor Amplifiers

Differential Transistor Amplifiers

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


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Rectifier Circuits

Rectifier Circuits

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


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Switch Contact Design

Switch Contact Design

A switch can be constructed with any mechanism bringing two conductors…


Textbook

Logic Signal Voltage Levels

Logic Signal Voltage Levels

Input Voltages for Logic Gates Logic gate circuits are designed to…


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IC Fabrication and Packaging

IC Fabrication and Packaging

What does it mean if an integrated circuit comes in DIP form? What…


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