All About Circuits

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Millman’s Theorem

Millman’s Theorem

In Millman’s Theorem, the circuit is re-drawn as a parallel…


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Stepper Motors

Stepper Motors

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


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Inverting Op-Amp Resistor Calculator

Inverting Op-Amp Resistor Calculator

This calculator determines the bias and feedback of resistors for an inverting op-amp.


Tools

555 Lab - Oscillator With Hysteresis

555 Lab - Oscillator With Hysteresis

In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.


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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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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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Shock Current Path

Shock Current Path

As we’ve already learned, electricity requires a complete path…


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Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

An unbalanced Wheatstone bridge cannot be solved using simple series…


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Standing Waves and Resonance

Standing Waves and Resonance

Whenever there is a mismatch of impedance between transmission line…


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Nonlinear OpAmp Circuits

Nonlinear OpAmp Circuits

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


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Ohm’s Law Practice Worksheet With Answers

Ohm’s Law Practice Worksheet With Answers

Define the following terms: energy, work, and power.


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Flyback Switch Mode Regulator Calculator

Flyback Switch Mode Regulator Calculator

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


Tools

Pulse Width Modulation

Pulse Width Modulation

Pulse Width Modulation (PWM) uses digital signals to control power…


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Millman’s Theorem

Millman’s Theorem

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


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Delta and Wye 3-Phase Circuits

Delta and Wye 3-Phase Circuits

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


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An Electric Pendulum

An Electric Pendulum

Capacitors store energy in the form of an electric field, and…


Textbook

Intro Lab - How to Use a Voltmeter to Measure Voltage

Intro Lab - How to Use a Voltmeter to Measure Voltage

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


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Resistors

Resistors

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


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Op-Amp Voltage and Gain Calculator

Op-Amp Voltage and Gain Calculator

A calculator for computing the gain and output voltage of an operational amplifier


Tools

Specific Resistance of Conductors

Specific Resistance of Conductors

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


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Important Constants

Important Constants

Euler’s Number Euler’s constant is an important value for…


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Voltage Divider Circuits

Voltage Divider Circuits

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


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Solid-state Relays

Solid-state Relays

Limitations of Electromechanical Relays As versatile as…


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AC Resistor Circuits (Inductive)

AC Resistor Circuits (Inductive)

Instantaneous Values in AC Circuits Pure resistive AC circuit:…


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Capacitive Reactance

Capacitive Reactance

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


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Basic Algebra and Graphing for Electric Circuits

Basic Algebra and Graphing for Electric Circuits

Many different equations used in the analysis of electric circuits may…


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Intro Lab - A Simple Lighting Circuit

Intro Lab - A Simple Lighting Circuit

In this hands-on electronics experiment, you will build a battery-operated circuit with a light and learn about open and short circuit failures.


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Design Project: AC-DC Power Supply

Design Project: AC-DC Power Supply

Safety is very important when designing and/or building a device…


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Circuit Components

Circuit Components

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


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Look-up Tables

Look-up Tables

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


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The Quadratic Formula

The Quadratic Formula

Solving for x in a given polynomial equation “ax2 + bx + c…


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Series DC Circuits Practice Worksheet with Answers

Series DC Circuits Practice Worksheet with Answers

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


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Digital Lab - 7-segment LED Display

Digital Lab - 7-segment LED Display

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.


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Early Tube History

Early Tube History

Thomas Edison, that prolific American inventor, is often credited with…


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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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Component Failure Analysis (Continued)

Component Failure Analysis (Continued)

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


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History of SPICE

History of SPICE

SPICE is a computer program designed to simulate analog electronic…


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Time-Delay Electromechanical Relays

Time-Delay Electromechanical Relays

What does the normal status of an electrical switch refer to?…


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DC Transducers

DC Transducers

Research and describe what the Hall effect is, and list some practical…


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Derivative of a Constant

Derivative of a Constant

    (“c” being a constant)   RELATED…


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Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

It is a common phenomenon for the electrical resistance of a substance…


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Network Topology

Network Topology

Point-to-Point Connecting two digital devices with a network, would…


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Stripline Max Current Calculator

Stripline Max Current Calculator

A calculator designed to calculate the maximum current that a stripline can handle


Tools

Binary Math

Binary Math

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


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Field-effect-controlled Thyristors

Field-effect-controlled Thyristors

Two relatively recent technologies designed to reduce the…


Textbook

Performance-Based Assessments for Semiconductor Circuit Competencies

Performance-Based Assessments for Semiconductor Circuit Competencies


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Intro Lab - How to Use an Ammeter to Measure Current

Intro Lab - How to Use an Ammeter to Measure Current

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


Textbook

Pi-Match Impedance Matching Calculator

Pi-Match Impedance Matching Calculator

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


Tools

Ohm’s Law (again!)

Ohm’s Law (again!)

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


Textbook

Design Project: Intercom System

Design Project: Intercom System

Design a passive circuit that will create a "split” ( V/-V) power…


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Boolean Algebra

Boolean Algebra

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


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Current Signal Systems

Current Signal Systems

Current Source It is possible through the use of electronic amplifiers…


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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Sum and Product Notation

Sum and Product Notation

For reference, this section introduces the terminology used in some…


Textbook

Kirchhoff’s Laws

Kirchhoff’s Laws

Many electronic circuits use what is called a split or a dual power…


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Capacitor Quirks

Capacitor Quirks

As with inductors, the ideal capacitor is a purely reactive device,…


Textbook

An Electric Pendulum

An Electric Pendulum

Capacitors store energy in the form of an electric field, and…


Textbook

Analog Lab - Non-inverting Amplifier

Analog Lab - Non-inverting Amplifier

In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.


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Si Lab - Multi-stage Amplifier

Si Lab - Multi-stage Amplifier

In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.


Textbook

Si Lab - JFET Current Regulator

Si Lab - JFET Current Regulator

In this hands-on semiconductor electronics experiment, build a junction field-effect transistor (JFET) current regulator and learn some of the advantages of JFETs over BJTs for current regulation.


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