Categories

Principles of Radio

Textbook

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

DC Motor Theory

Worksheets - Automotive

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

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

SPICE Models

Textbook

The SPICE circuit simulation program provides for modeling diodes in…

Resonance

Worksheets - Automotive

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

Programmable Logic Controllers (PLC)

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Automotive

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

Basic Troubleshooting Strategies

Worksheets - Automotive

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

Linear Computational Circuitry

Worksheets - Automotive

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

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

Bipolar Junction Transistors as Switches

Worksheets - Automotive

Solid-state switching circuits usually keep their constituent…

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Automotive

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Design Project: DC Motor

Worksheets - Automotive

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

Electric Shock

Worksheets - Automotive

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

Stepper Motors

Worksheets - Automotive

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

Safety Grounding

Worksheets - Automotive

In simple AC power systems, one of the two conductors is typically…

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Servo Motor Systems

Worksheets - Automotive

Explain the operation of this “H-bridge” motor control circuit: At…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Capacitors

Worksheets - Automotive

Identify some of the different types of capacitors, and their…

Oscilloscope Trigger Controls

Worksheets - Automotive

A very useful tool for observing rotating objects is a strobe light.…

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…

Design Project: DC Voltage Regulator

Worksheets - Automotive

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

Numeration Systems

Worksheets - Automotive

Digital computers communicate with external devices through ports:…

Feedback

Textbook

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

Contributors (9)

Textbook

Contributors to this chapter are listed in chronological order of…

555 Hysteretic Oscillator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Ammeter Design

Textbook

Ammeters Measure Electrical Current A meter designed to measure…

Instrumentation Amplifier Gain Calculator

Tools

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.

Precise Diode Circuits

Worksheets - Automotive

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

Snell’s Law Calculator

Tools

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.

Electrons and “holes’’

Textbook

Pure semiconductors are relatively good insulators as compared with…

Coil Inductance Calculator

Tools

This calculator computes the inductance of a wire coil.

Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)

Textbook

A voltage multiplier is a specialized rectifier circuit…

Troubleshooting Series and Parallel Circuits

Textbook

The jobs of electronics engineers and technicians frequently entail…

Calculating Power Factor

Textbook

As was mentioned before, the angle of this “power…

Practical Considerations - Capacitors

Textbook

Capacitors, like all electrical components, have limitations that must…

The P-N Junction

Textbook

If a block of P-type semiconductor is placed in contact with a block…

Special-purpose Batteries

Textbook

Mercury Standard Cell Back in the early days of electrical measurement…

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

Voltage and Current

Textbook

As was previously mentioned, we need more than just a continuous path…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Voltage and Current in a Practical Circuit

Textbook

Because it takes energy to force charge to flow against the opposition…

The Antiderivative (Indefinite Integral)

Textbook

  Notice something important here: taking the derivative of f(x)…

555 Timer Astable Circuit

Tools

In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis.

Re-drawing Complex Schematics

Textbook

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

AC Negative Feedback OpAmp Circuits

Worksheets - Automotive

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

DeMorgan’s Theorems

Textbook

A mathematician named DeMorgan developed a pair of important rules…

Permeability and Saturation

Textbook

The nonlinearity of material permeability may be graphed for better…

Time-Delay Electromechanical Relays

Worksheets - Automotive

What does the normal status of an electrical switch refer to?…

Ohm’s Law

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Ohm’s Law Practice Worksheet With Answers

Worksheets - Automotive

Define the following terms: energy, work, and power.

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Biasing Techniques (IGFET)

Textbook

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential logic.…

Three-phase Power Systems

Textbook

What is Split-Phase Power Systems? Split-phase power systems achieve…

Shock Current Path

Textbook

As we’ve already learned, electricity requires a complete path…

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…