All About Circuits

Latest Test & Measurement Education

Categories

Performance-Based Assessments for Basic Electricity Competencies

Performance-Based Assessments for Basic Electricity Competencies

(Template)


Worksheets - Test & Measurement

Tachogenerators

Tachogenerators

An electromechanical generator is a device capable of producing…


Textbook

Computational Circuits

Computational Circuits

When someone mentions the word “computer,” a digital…


Textbook

Basic Logic Gate Troubleshooting

Basic Logic Gate Troubleshooting

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


Worksheets - Test & Measurement

Multiplexers and Demultiplexers

Multiplexers and Demultiplexers

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


Worksheets - Test & Measurement

DC Lab - Potentiometric Voltmeter

DC Lab - Potentiometric Voltmeter

In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.


Textbook

Nonlinear OpAmp Circuits

Nonlinear OpAmp Circuits

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


Worksheets - Test & Measurement

Simultaneous Equations for Circuit Analysis

Simultaneous Equations for Circuit Analysis

Solve this equation for the value of x: x + 5 = 8 How many exact…


Worksheets - Test & Measurement

DC Lab - Sensitive Voltage Detector With Audio Output

DC Lab - Sensitive Voltage Detector With Audio Output

In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.


Textbook

AC Waveforms

AC Waveforms

When an alternator produces AC voltage, the voltage switches polarity…


Textbook

Basic Ammeter Use

Basic Ammeter Use

Show how this ammeter would be connected to the light bulb circuit to…


Worksheets - Test & Measurement

JFET Amplifiers

JFET Amplifiers

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


Worksheets - Test & Measurement

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…


Worksheets - Test & Measurement

Kelvin (4-wire) Resistance Measurement

Kelvin (4-wire) Resistance Measurement

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


Textbook

Voltmeter Design

Voltmeter Design

As was stated earlier, most meter movements are sensitive devices.…


Textbook

High Voltage Ohmmeters

High Voltage Ohmmeters

Most ohmmeters of the design shown in the previous section utilize a…


Textbook

Analog and Digital Signals

Analog and Digital Signals

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


Textbook

Wire-by-Number project kit introduction

Wire-by-Number project kit introduction

Wire-by-Number project: simple voltage divider Description: Build a…


Worksheets - Test & Measurement

PN Junctions

PN Junctions

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


Worksheets - Test & Measurement

Inductive Reactance

Inductive Reactance

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


Worksheets - Test & Measurement

Binary Addition

Binary Addition

The Rules of Binary Addition Adding binary numbers is a very simple…


Textbook

Waveguide Calculator (Rectangular)

Waveguide Calculator (Rectangular)

This tool calculates the cutoff frequency of a rectangular waveguide


Tools

Microstrip Patch Antenna Calculator

Microstrip Patch Antenna Calculator

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.


Tools

Capacitor Types

Capacitor Types

A capacitor is a passive two-terminal electronic component that…


Textbook

Solid-state Relays

Solid-state Relays

Limitations of Electromechanical Relays As versatile as…


Textbook

Power Supply Circuits

Power Supply Circuits

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


Textbook

Synchronous Condenser

Synchronous Condenser

Synchronous motors load the power line with a leading power factor.…


Textbook

AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Test & Measurement

Millman’s Theorem Revisited

Millman’s Theorem Revisited

You may have wondered where we got that strange equation for the…


Textbook

Transistor Ratings and Packages (IGFET)

Transistor Ratings and Packages (IGFET)


Textbook

Basic Electromagnetic Relays

Basic Electromagnetic Relays

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


Worksheets - Test & Measurement

Coax Impedance Calculator

Coax Impedance Calculator

A helpful tool for calculating the impedance of a coaxial cable.


Tools

Look-up Tables

Look-up Tables

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


Textbook

Permissive and Interlock Circuits

Permissive and Interlock Circuits

A practical application of switch and relay logic is in control…


Textbook

R, L and C Summary

R, L and C Summary

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


Textbook

Decibels

Decibels

The Bel is Used to Represent Gain In its simplest form, an…


Textbook

Boolean Relationships on Venn Diagrams

Boolean Relationships on Venn Diagrams

The fourth example has A partially overlapping B. Though, we will…


Textbook

Performance-Based Assessments for Semiconductor Circuit Competencies

Performance-Based Assessments for Semiconductor Circuit Competencies


Worksheets - Test & Measurement

Clipper Circuits

Clipper Circuits

A circuit which removes the peak of a waveform is known as a clipper.…


Textbook

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.


Textbook

Wire Loop Inductance Calculator

Wire Loop Inductance Calculator

This calculator helps you compute the inductance of a wire loop.


Tools

The Quadratic Formula

The Quadratic Formula

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


Textbook

Electrical Conduction in Semiconductors

Electrical Conduction in Semiconductors

In any electrically conductive substance, what are charge carriers?…


Worksheets - Test & Measurement

Nonlinear OpAmp Circuits

Nonlinear OpAmp Circuits

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


Worksheets - Test & Measurement

Radicals

Radicals

Definition of a Radical Given the expression where “x” is…


Textbook

History of SPICE

History of SPICE

SPICE is a computer program designed to simulate analog electronic…


Textbook

Si Lab - BJT Common-emitter Amplifier

Si Lab - BJT Common-emitter Amplifier

In this hands-on semiconductor electronics experiment, construct a common-emitter amplifier using a bipolar junction transistor (BJT) and learn about amplifier gain and feedback.


Textbook

An Electric Pendulum

An Electric Pendulum

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


Textbook

DC Lab - Potentiometer Voltage Divider

DC Lab - Potentiometer Voltage Divider

In this hands-on electronics experiment, you will use potentiometers to vary a voltage and learn about voltage divider ratios and potentiometer applications.


Textbook

Analog Lab - Introduction

Analog Lab - Introduction

In this series of hands-on electronics experiments, build analog circuits, including amplifiers, comparators, oscillators, and more. Following the step-by-step instructions will help you understand and appreciate analog systems.


Textbook

Making a Venn Diagram Look Like a Karnaugh Map

Making a Venn Diagram Look Like a Karnaugh Map

Starting with circle A in a rectangular A’ universe in figure…


Textbook

Gas Discharge Tubes

Gas Discharge Tubes

If you’ve ever witnessed a lightning storm, you’ve seen…


Textbook

Numbers and Symbols

Numbers and Symbols

The expression of numerical quantities is something we tend to take…


Textbook

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Over the course of learning about electricity, you will want to…


Textbook

Microstrip Wavelength Calculator

Microstrip Wavelength Calculator

A tool designed to calculate the guided wavelength inside a microstrip.


Tools

Branch Current Method Analysis

Branch Current Method Analysis

The most straightforward DC network analysis technique is the branch…


Textbook

Antenna Downtilt and Coverage Calculator

Antenna Downtilt and Coverage Calculator

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.


Tools

IC Fabrication and Packaging

IC Fabrication and Packaging

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


Worksheets - Test & Measurement

Thyristor Application Circuits

Thyristor Application Circuits

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


Worksheets - Test & Measurement

Delta-Sigma ADC

Delta-Sigma ADC

One of the more advanced ADC technologies is the so-called…


Textbook