Categories

Quantum Physics

Textbook

“I think it is safe to say that no one understands quantum…

Thyristors

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

Ohm’s Law (again!)

Textbook

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

Electric Shock

Worksheets - Medical & Fitness

It is sometimes said regarding electrical safety that, Ït’s not the…

Pulse Width Modulation

Textbook

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

Emergency Response

Textbook

Despite lock-out/tag-out procedures and multiple repetitions of…

Physical Effects of Electricity

Worksheets - Medical & Fitness

Certain substances are known to physically deform (shorten or…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Timer Circuits

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

Soldering

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Both soldering irons and soldering guns are tools used in the process…

Signal Modulation

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A modern method of electrical power control involves inserting a…

Light-Pulse Switch

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It is fairly important to use large value resistors (10 MΩ works…

ElectroStatic Discharge

Textbook

At the start of this book, we discussed static electricity and how it…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Kirchhoff’s Laws

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

Superconducting Devices

Textbook

Superconducting devices, though not widely used, have some unique…

Physiological Effects of Electricity

Textbook

Most of us have experienced some form of electric “shock,”…

Design Project: Pulse-Width Modulation (PWM) Signal Generator

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What shape of voltage waveform would you expect to measure (using an…

Electromagnetism Experiment

Textbook

PARTS AND MATERIALS 6-volt battery Magnetic compass Small permanent…

Control Circuits

Textbook

Table (portrait view)

Textbook

Periodic table of chemical elements.

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

RF Power Conversion Calculator

Tools

A tool designed to convert RF power from watts to decibels and vice versa

Voltage Follower

Textbook

PARTS AND MATERIALS One NPN transistor—models 2N2222 or 2N3403…

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Oscillator Circuits

Textbook

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

Divided Feedback

Textbook

If we add a voltage divider to the negative feedback wiring so that…

Hyperbolic Functions

Textbook

Note: all angles (x) must be expressed in units of radians for these…

Component Modeling

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When plotted on a curve tracer, the characteristic curve for a normal…

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Insulated Gate Field-Effect Transistors

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

True, Reactive, and Apparent Power

Textbook

Reactive Power We know that reactive loads such as inductors and…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Boolean Algebraic Identities

Textbook

In mathematics, an identity is a statement true for all possible…

The Quadratic Formula

Textbook

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

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

In order to work with complex numbers without drawing vectors, we…

Lock-out / Tag-out

Worksheets - Medical & Fitness

In this motor control circuit, how would you ensure that there is no…

Biasing Techniques (BJT)

Textbook

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

Design Project: Event Counter

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If your event sensing switch is mechanical in nature, you will likely…

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Meter Check of a Transistor (JFET)

Textbook

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

TTL NAND and AND gates

Textbook

Suppose we altered our basic open-collector inverter circuit, adding a…

Negative Feedback OpAmp Circuits

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

Bipolar Junction Transistors as Switches

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Solid-state switching circuits usually keep their constituent…

Gate Universality

Textbook

NAND and NOR gates possess a special property: they are universal.…

An Electric Pendulum

Textbook

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

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

What is a Meter?

Textbook

A meter is any device built to accurately detect and display an…

Bipolar Junction Transistor (BJT) theory

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

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

Performance-Based Assessments for Analog Integrated Circuit Competencies

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Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Fundamentals of SPICE programming

Textbook

Programming a circuit simulation with SPICE is much like programming…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Amplifier Circuits

Textbook

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…