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DC Generator Theory

DC Generator Theory

Generators used in battery-charging systems must be regulated so as to…


Worksheets - Analog

Voltage and Current Calculations

Voltage and Current Calculations

There’s a sure way to calculate any of the values in a reactive…


Textbook

Ohm’s Law - How Voltage, Current, and Resistance Relate

Ohm’s Law - How Voltage, Current, and Resistance Relate

The first, and perhaps most important, relationship between current,…


Textbook

Passive Integrator and Differentiator Circuits

Passive Integrator and Differentiator Circuits

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


Worksheets - Analog

Series-Parallel DC Circuits

Series-Parallel DC Circuits

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


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Signal Modulation

Signal Modulation

A modern method of electrical power control involves inserting a…


Worksheets - Analog

Common Derivatives

Common Derivatives

    RELATED WORKSHEETS: Calculus for Electric Circuits…


Textbook

Semiconductor Devices in SPICE

Semiconductor Devices in SPICE

The SPICE (Simulation Program, Integrated Circuit Emphesis)…


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Impedance Matching With Transformers

Impedance Matching With Transformers

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


Worksheets - Analog

Active Filters

Active Filters

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


Worksheets - Analog

What is Alternating Current (AC)?

What is Alternating Current (AC)?

Most students of electricity begin their study with what is known as…


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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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Meter Check of a Transistor (JFET)

Meter Check of a Transistor (JFET)

Testing a JFET with a multimeter might seem to be a relatively easy…


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Special-purpose Diodes

Special-purpose Diodes

Schottky diodes Schottky diodes are constructed of a metal-to-N…


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DC Bridge Circuits

DC Bridge Circuits

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


Worksheets - Analog

The Common-collector Amplifier

The Common-collector Amplifier

Our next transistor configuration to study is a bit simpler for gain…


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Re-drawing Complex Schematics

Re-drawing Complex Schematics

Typically, complex circuits are not arranged in nice, neat, clean…


Textbook

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

The Unijunction Transistor (UJT)

The Unijunction Transistor (UJT)

Unijunction transistor: Although a unijunction transistor is not a…


Textbook

Insulated-gate Field-effect Transistors (MOSFET)

Insulated-gate Field-effect Transistors (MOSFET)

The Insulated-Gate Field-Effect Transistor (IGFET), also known as…


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What is a Series-Parallel Circuit?

What is a Series-Parallel Circuit?

With simple series circuits, all components are connected end-to-end…


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DC Lab - Current Divider

DC Lab - Current Divider

In this hands-on electronics experiment, you will build resistive current dividers and observe how Ohm's law and Kirchhoff's current law function in real circuits using a voltmeter and an ammeter.


Textbook

Wire Types and Sizes

Wire Types and Sizes

Most electrical wire is covered in a rubber or plastic coating called…


Worksheets - Analog

Common Derivatives

Common Derivatives

    RELATED WORKSHEETS: Calculus for Electric Circuits…


Textbook

Balanced Attenuator Calculator

Balanced Attenuator Calculator

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.


Tools

Series and Parallel Component Equivalent Values

Series and Parallel Component Equivalent Values

Series and Parallel Resistances     Series and Parallel…


Textbook

DC Lab - Precision Potentiometer

DC Lab - Precision Potentiometer

In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.


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Half-Adder

Half-Adder

As a first example of useful combinational logic, let’s build a…


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Temperature Converter

Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin


Tools

pH Measurement

pH Measurement

A very important measurement in many liquid chemical processes…


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What Is the Skin Effect?

What Is the Skin Effect?

The Skin Depth of Copper in Electrical Engineering As previously…


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Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


Worksheets - Analog

Fail-safe Design

Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…


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Design Project: Power Inverter

Design Project: Power Inverter

A common topology for DC-AC power converter circuits uses a pair of…


Worksheets - Analog

Mixed-Frequency Signals

Mixed-Frequency Signals

What is a harmonic frequency? If an oscillator circuit outputs a…


Worksheets - Analog

Applying Ohm’s Law—Rules and Methods for Circuit Analysis

Applying Ohm’s Law—Rules and Methods for Circuit Analysis

When analyzing complex series and parallel circuits, it is easy to…


Textbook

Analog Lab - Class B Audio Amplifier

Analog Lab - Class B Audio Amplifier

In this hands-on electronics experiment, build a Class B push-pull audio amplifier to drive a speaker and learn about crossover distortion and how to minimize it using negative feedback.


Textbook

Introduction to Combinational Logic Functions

Introduction to Combinational Logic Functions

The term “combinational” comes to us from mathematics. In…


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AC Bridge Circuits

AC Bridge Circuits

As we saw with DC measurement circuits, the circuit configuration…


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DC Transducers

DC Transducers

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


Worksheets - Analog

Broadside Coupled Trace Inductance Calculator

Broadside Coupled Trace Inductance Calculator

This calculator helps you compute the inductance of a broadside coupled trace.


Tools

Systems of Numeration

Systems of Numeration

Roman Numerals The Romans devised a system that was a substantial…


Textbook

AC Lab - Signal and Noise Coupling

AC Lab - Signal and Noise Coupling

In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.


Textbook

Si Lab - Simple Op Amp

Si Lab - Simple Op Amp

In this hands-on semiconductor electronics experiment, build a custom operational amplifier (op amp) and learn about the application of current mirrors and the use of negative feedback in op amp circuits.


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Peak Detector

Peak Detector

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


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Digital Logic With Feedback

Digital Logic With Feedback

With simple gate and combinational logic circuits, there is a definite…


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IGFET Amplifiers

IGFET Amplifiers

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


Worksheets - Analog

Si Lab - Half-wave Rectifier

Si Lab - Half-wave Rectifier

In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.


Textbook

DC Lab - Potato Battery

DC Lab - Potato Battery

In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.


Textbook

Some Examples with AC Circuits

Some Examples with AC Circuits

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


Textbook

Resistance

Resistance

The circuit in the previous section is not a very practical one. In…


Textbook

Venn Diagrams and Sets

Venn Diagrams and Sets

Mathematicians use Venn diagrams to show the logical relationships of…


Textbook

Design Project: Power Inverter

Design Project: Power Inverter

A common topology for DC-AC power converter circuits uses a pair of…


Worksheets - Analog

What is the Relationship Between Conductance and Resistance?

What is the Relationship Between Conductance and Resistance?

The concept and measurement units of resistance are most often used…


Textbook

Contact “Normal” State and Make/Break Sequence

Contact “Normal” State and Make/Break Sequence

Any kind of switch contact can be designed so that the contacts…


Textbook

Wire-by-Number project kit introduction

Wire-by-Number project kit introduction

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


Worksheets - Analog

Resistivity Calculator

Resistivity Calculator

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.


Tools

Performance-Based Assessments for DC Circuit Competencies

Performance-Based Assessments for DC Circuit Competencies

(Template)


Worksheets - Analog

Band Theory of Solids

Band Theory of Solids

Quantum physics describes the states of electrons in an atom according…


Textbook

BJT Quirks

BJT Quirks

An ideal transistor would show 0% distortion in amplifying a signal.…


Textbook