Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…

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Networks and Busses

The wires between the tank and the monitoring location is  called…

Textbook

Fundamentals of Radio Communication

What does the acronym RF stand form, in reference to radio-related…

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Linear Computational Circuitry

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

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Programmable Logic Controllers (PLC)

Before the advent of solid-state logic circuits, logical control…

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Specific Troubleshooting Techniques

After applying some of the general troubleshooting tips to narrow the…

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Principles of Radio

One of the more fascinating applications of electricity is in the…

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Radio Circuits

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

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Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

Tools

Resonance

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

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Single-phase Induction Motors

A three-phase motor may be run from a single-phase power source.…

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The Importance of Electrical Safety

With this lesson, I hope to avoid a common mistake found in…

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Instrumentation Amplifier Gain Calculator

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.

Tools

Reluctance Motor

The variable reluctance motor is based on the principle that an…

Textbook

Boolean Algebra

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

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AC Commutator Motors

Charles Proteus Steinmetz’s first job after arriving in America…

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Polyphase Motor Design

AC Motors Perhaps the most important benefit of polyphase AC power…

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Design Project: DC Motor

The armature windings of your DC motor will have very low resistance.…

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Conventional Transistor Overview and Special Transistors

A microcontroller is a specialized type of digital computer used to…

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Calculus for Electric Circuits

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

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Tube Lab - Vacuum Tube Audio Amplifier

In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.

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DC Motor Control Circuits

How is it possible to electrically measure the torque output by a…

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Networks and Busses

The wires between the tank and the monitoring location is  called…

Textbook

DC Motor Theory

If the ends of a wire loop are attached to two half-circular metal…

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Other Specialized Motors

Shaded Pole Induction Motor An easy way to provide starting torque to…

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Linear Computational Circuitry

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

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AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…

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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

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.

Textbook

SPICE Quirks

“Garbage in, garbage out.” —Anonymous   SPICE…

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Optoelectronic Devices

In this circuit, the electric motor is supposed to turn on whenever…

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DC Bridge Circuits

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

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Edge-triggered Latches: Flip-Flops

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

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The Common-source Amplifier (IGFET)

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MESFETs

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Semiconductor Manufacturing Techniques

The manufacture of only silicon based semiconductors is described…

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555 Lab - Blue LED Flasher With Voltage Doubler

In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.

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Soldering

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

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Transistor Ratings and Packages (BJT)

Like all electrical and electronic components, transistors are limited…

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Ohmmeter Design

Though mechanical ohmmeter (resistance meter) designs are rarely used…

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Creating Custom Calibration Resistances

Often in the course of designing and building electrical meter…

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BJT Amplifier Troubleshooting

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

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Shift Registers: Parallel-in, Serial-out (PISO) Conversion

Parallel-in/ serial-out shift registers do everything that the…

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Relay Construction

Electricity and Magnetism An electric current through a conductor will…

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Basic Ammeter Use

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

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Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…

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Minterm vs Maxterm Solution

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

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Basic Oscilloscope Operation

An oscilloscope is a very useful piece of electronic test equipment.…

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