All About Circuits

Latest Oscilloscopes Education

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Simple Circuits

Simple Circuits

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


Worksheets - Oscilloscopes

Some Examples with AC Circuits

Some Examples with AC Circuits

Let’s connect three AC voltage sources in series and use complex…


Textbook

Basic Circuit Troubleshooting

Basic Circuit Troubleshooting

Determine if the light bulb will de-energize for each of the following…


Worksheets - Oscilloscopes

The Silicon-Controlled Rectifier (SCR)

The Silicon-Controlled Rectifier (SCR)

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…


Textbook

Passive Integrator and Differentiator Circuits

Passive Integrator and Differentiator Circuits

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…


Worksheets - Oscilloscopes

Step-up, Step-down, and Isolation Transformers

Step-up, Step-down, and Isolation Transformers

Calculate the voltage output by the secondary winding of a transformer…


Worksheets - Oscilloscopes

JFET Amplifiers

JFET Amplifiers

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


Worksheets - Oscilloscopes

AC Voltmeters and Ammeters

AC Voltmeters and Ammeters

AC electromechanical meter movements come in two basic arrangements:…


Textbook

AC Lab - Frequency Analysis

AC Lab - Frequency Analysis

In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.


Textbook

AC Metrology

AC Metrology

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


Worksheets - Oscilloscopes

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.


Textbook

Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


Worksheets - Oscilloscopes

Capacitive Reactance

Capacitive Reactance

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


Worksheets - Oscilloscopes

Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


Worksheets - Oscilloscopes

Time Constant Circuits

Time Constant Circuits

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


Worksheets - Oscilloscopes

Strain Gauges

Strain Gauges

If a strip of conductive metal is stretched, it will become skinnier…


Textbook

Performance-Based Assessments for Basic Electricity Competencies

Performance-Based Assessments for Basic Electricity Competencies

(Template)


Worksheets - Oscilloscopes

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

AC Network Analysis

AC Network Analysis

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


Worksheets - Oscilloscopes

Bipolar Transistor Biasing Circuits

Bipolar Transistor Biasing Circuits

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


Worksheets - Oscilloscopes

Switches

Switches

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


Worksheets - Oscilloscopes

Series-Parallel DC Circuits

Series-Parallel DC Circuits

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


Worksheets - Oscilloscopes

Overcurrent Protection

Overcurrent Protection

What hazards might be posed by a circuit with excessive current going…


Worksheets - Oscilloscopes

Multiplexers and Demultiplexers

Multiplexers and Demultiplexers

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


Worksheets - Oscilloscopes

AC Lab - PC Oscilloscope

AC Lab - PC Oscilloscope

In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.


Textbook

Resonance

Resonance

The Q factor of a series inductive circuit is given by the following…


Worksheets - Oscilloscopes

JFET Amplifiers

JFET Amplifiers

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


Worksheets - Oscilloscopes

DC Lab - Build Your Own Multimeter

DC Lab - Build Your Own Multimeter

In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.


Textbook

Voltmeter Design

Voltmeter Design

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


Textbook

Square Wave Signals

Square Wave Signals

It has been found that any repeating, non-sinusoidal waveform can be…


Textbook

Ammeter Design

Ammeter Design

Ammeters Measure Electrical Current A meter designed to measure…


Textbook

Slope (integrating) ADC

Slope (integrating) ADC

So far, we’ve only been able to escape the sheer volume of…


Textbook

Peak Detector

Peak Detector

A peak detector is a series connection of a diode and a…


Textbook

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.


Textbook

Edge-triggered Latches: Flip-Flops

Edge-triggered Latches: Flip-Flops

So far, we’ve studied both S-R and D latch circuits with enable…


Textbook

Design Project: Arbitrary Waveform Generator

Design Project: Arbitrary Waveform Generator

What, exactly, is an arbitrary waveform generator, and for what…


Worksheets - Oscilloscopes

Power Conversion Circuits

Power Conversion Circuits

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


Worksheets - Oscilloscopes

Fundamentals of SPICE programming

Fundamentals of SPICE programming

Programming a circuit simulation with SPICE is much like programming…


Textbook

PN Junctions

PN Junctions

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


Worksheets - Oscilloscopes

Voltmeter Design

Voltmeter Design

Suppose I were about to measure an unknown voltage with a manual-range…


Worksheets - Oscilloscopes

Square Root, Cube Root, and Nth Root Calculator

Square Root, Cube Root, and Nth Root Calculator

This calculator will determine the square root, cube root, or nth root of a given number, x.


Tools

Negative Feedback

Negative Feedback

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


Textbook

Power Measurement

Power Measurement

Power measurement in AC circuits can be quite a bit more complex than…


Textbook

Digital Lab - Introduction

Digital Lab - Introduction

In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.


Textbook

DeMorgan’s Theorems

DeMorgan’s Theorems

A mathematician named DeMorgan developed a pair of important rules…


Textbook

The Command-line Interface

The Command-line Interface

If you’ve used DOS or UNIX operating systems before in a…


Textbook

Electrical Connections

Electrical Connections

What, exactly, is necessary to establish electrical continuity between…


Worksheets - Oscilloscopes

AC Lab - LC Tank Circuit

AC Lab - LC Tank Circuit

In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.


Textbook

Flip-Flop Circuits

Flip-Flop Circuits

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


Worksheets - Oscilloscopes

Example Circuits and Netlists

Example Circuits and Netlists

The following circuits are pre-tested netlists for SPICE 2g6, complete…


Textbook

555 Lab - LED Flasher with Inductive Flyback

555 Lab - LED Flasher with Inductive Flyback

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.


Textbook

Counter Modulus

Counter Modulus

Incomplete


Textbook

Averager and Summer Circuits

Averager and Summer Circuits

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


Textbook

Design Project: Arbitrary Waveform Generator

Design Project: Arbitrary Waveform Generator

What, exactly, is an arbitrary waveform generator, and for what…


Worksheets - Oscilloscopes

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.


Textbook

Likely Failures in Unproven Systems

Likely Failures in Unproven Systems

“All men are liable to error;” —John Locke Whereas…


Textbook

Hand Calculator Use

Hand Calculator Use

To enter numbers in scientific notation into a hand calculator, there…


Textbook

Analysis Techniques for Series Parallel Resistor Circuits

Analysis Techniques for Series Parallel Resistor Circuits

Guidelines to Series-Parallel Combination Circuit Analysis The goal of…


Textbook

Biasing Techniques (BJT)

Biasing Techniques (BJT)

In the common-emitter section of this chapter, we saw a SPICE analysis…


Textbook

Minterm vs Maxterm Solution

Minterm vs Maxterm Solution

So far we have been finding Sum-Of-Product (SOP) solutions to logic…


Textbook