All About Circuits

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Class A BJT Amplifiers

Class A BJT Amplifiers

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


Worksheets - Data Converters

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

The “Operational” Amplifier

The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…


Textbook

Series-Parallel Combination AC Circuits

Series-Parallel Combination AC Circuits

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


Worksheets - Data Converters

LC Resonant Frequency Calculator

LC Resonant Frequency Calculator

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.


Tools

Basic Troubleshooting Strategies

Basic Troubleshooting Strategies

A chandelier has five light bulbs in it, and one of them is not…


Worksheets - Data Converters

Class A BJT Amplifiers

Class A BJT Amplifiers

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


Worksheets - Data Converters

Multi-Stage Transistor Amplifiers

Multi-Stage Transistor Amplifiers

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


Worksheets - Data Converters

“Long’’ and “Short’’ Transmission Lines

“Long’’ and “Short’’ Transmission Lines

In DC and low-frequency AC circuits, the characteristic impedance of…


Textbook

AC Lab - Sensitive Voltage Detector with Audio Output

AC 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

Basic Electromagnetism and Electromagnetic Induction

Basic Electromagnetism and Electromagnetic Induction

When lightning strikes, nearby magnetic compass needles may be seen to…


Worksheets - Data Converters

AC Network Analysis

AC Network Analysis

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


Worksheets - Data Converters

Four-Channel Audio Mixer

Four-Channel Audio Mixer

A very common misconception students have about potentiometers is the…


Worksheets - Data Converters

Performance-Based Assessments for Analog Integrated Circuit Competencies

Performance-Based Assessments for Analog Integrated Circuit Competencies


Worksheets - Data Converters

Decibel Measurements

Decibel Measurements

During the early development of telephone technology, a unit was…


Worksheets - Data Converters

Decibel Calculator

Decibel Calculator

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.


Tools

Introduction to Mixed-Frequency AC Signals

Introduction to Mixed-Frequency AC Signals

In our study of AC circuits thus far, we’ve explored circuits…


Textbook

Basic Electricity Worksheet

Basic Electricity Worksheet

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


Worksheets - Data Converters

Active Filters

Active Filters

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


Worksheets - Data Converters

Design Project: Audio Media-Based Signal Generator

Design Project: Audio Media-Based Signal Generator

Identify some different ways you can create the sine-wave audio tracks…


Worksheets - Data Converters

Feedback

Feedback

If some percentage of an amplifier’s output signal is connected…


Textbook

Impedance Matching With Transformers

Impedance Matching With Transformers

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…


Worksheets - Data Converters

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: DC Voltage Regulator

Design Project: DC Voltage Regulator

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


Worksheets - Data Converters

Amplifiers

Amplifiers

Practical Benefit of Active Devices The practical benefit of active…


Textbook

Beam Power Tubes

Beam Power Tubes

In the beam power tube, the basic four-element structure of the…


Textbook

Inductors

Inductors

An inductor is a passive two-terminal electrical component that…


Textbook

Decimal versus Binary Numeration

Decimal versus Binary Numeration

Let’s count from zero to twenty using four different kinds of…


Textbook

Design Project: Telegraph System

Design Project: Telegraph System

What voltage will you choose to use for each of the station batteries?


Worksheets - Data Converters

Conductor Size

Conductor Size

It should be common-sense knowledge that liquids flow through…


Textbook

Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


Textbook

Derivative of a Constant

Derivative of a Constant

    (“c” being a constant)   RELATED…


Textbook

BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

As an instructor of electronics, I am called upon frequently to help…


Worksheets - Data Converters

Metric Prefixes and Unit Conversions

Metric Prefixes and Unit Conversions

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…


Textbook

Pulse Width Modulation

Pulse Width Modulation

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


Textbook

Logic Signal Voltage Levels

Logic Signal Voltage Levels

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


Textbook

Contact “Bounce”

Contact “Bounce”

When a switch is actuated and contacts touch one another under the…


Textbook

Harmonic Phase Sequences

Harmonic Phase Sequences

In the last section, we saw how the 3rd harmonic and all of its…


Textbook

Conductors and Insulators

Conductors and Insulators

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


Worksheets - Data Converters

Si Lab - Differential Amplifier

Si Lab - Differential Amplifier

In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.


Textbook

DC Branch Current Analysis

DC Branch Current Analysis

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


Worksheets - Data Converters

Binary Subtraction

Binary Subtraction

We can subtract one binary number from another by using the standard…


Textbook

More on AC “polarity”

More on AC “polarity”

Complex numbers are useful for AC circuit analysis because they…


Textbook