Categories

AC Motor Control Circuits

Worksheets - Cooling

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Noise Figure and Noise Temperature Calculator

Tools

This calculator computes the noise figure and noise temperature in a system

Soldering

Worksheets - Cooling

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

Ohm’s Law Practice Worksheet With Answers

Worksheets - Cooling

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

Open-Loop OpAmp Circuits

Worksheets - Cooling

Determine what the magnitude and polarity of the voltmeter’s…

Resistors

Worksheets - Cooling

Shown here is the schematic symbol for a resistor: What is the purpose…

Batteries

Worksheets - Cooling

If I wanted to build a battery-powered electric drill, would it be…

Temperature Coefficient of Resistance

Worksheets - Cooling

It is a common phenomenon for the electrical resistance of a substance…

Temperature Coefficients of Resistance Table

Textbook

Temperature coefficient (α) per degree C: Material Element/Alloy…

Algebraic Equation Manipulation for Electric Circuits

Worksheets - Cooling

The electrical resistance of a conductor at any temperature may be…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

Electrical Conduction in Semiconductors

Worksheets - Cooling

In any electrically conductive substance, what are charge carriers?…

Common-Emitter Amplifier

Textbook

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

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

Single-phase Induction Motors

Textbook

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

Microprocessors

Textbook

Early computer science pioneers such as Alan Turing and John Von…

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…

Phase Shift

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two capacitors, 0.1…

Encoders and Decoders

Worksheets - Cooling

What does it mean, in general terms, to encode something? Conversely,…

L-Match Impedance Matching Circuits

Tools

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit

Non-right Triangle Trigonometry

Textbook

The Law of Sines (for any triangle) The Law of Cosines (for any…

Finite State Machines

Textbook

Up to now, every circuit that was presented was a combinatorial…

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Twisted-Pair Impedance Calculator

Tools

A tool designed to calculate the characteristic impedance of a twisted-pair cable

Resonance

Worksheets - Cooling

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

Sensing AC Electric Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones  …

N-Way Power Divider Calculator

Tools

This calculator determines the total path loss provided by an RF n-way power splitter.

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Contributors (8)

Textbook

Contributors to this chapter are listed in chronological order of…

Signal Coupling

Textbook

PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

Electrical Noise and Interference

Worksheets - Cooling

Define what noise means, in the electrical sense of the word. How does…

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Vectors and AC Waveforms

Textbook

OK, so how exactly can we represent AC quantities of voltage or…

Depletion-type IGFETs

Textbook

Insulated gate field-effect transistors are unipolar devices just like…

Node Voltage Method

Textbook

The node voltage method of analysis solves for unknown voltages at…

Principles of Radio

Textbook

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

Introduction to DC Circuits

Textbook

“DC” stands for Direct Current, which can refer to either…

Scientific Notation and Metric Prefixes

Worksheets - Cooling

Write the following exponential expressions in expanded form: 101 =…

Thevenin-Norton Equivalencies

Textbook

Since Thevenin’s and Norton’s Theorems are two equally…

Energy, Work, and Power

Worksheets - Cooling

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

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

Single-phase Power Systems

Textbook

Single phase power system schematic diagram shows little about the…

DC Circuit Equations and Laws

Textbook

Power Equation of Ohm’s Law and Joule’s Law    …

Fuses

Textbook

Normally, the ampacity rating of a conductor is a circuit design…

Microcontroller Principles

Worksheets - Cooling

Read the following quotation, and then research the term…

Shift Registers

Worksheets - Cooling

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

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Wire-by-Number project kit introduction

Worksheets - Cooling

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

Negative Feedback

Textbook

If we connect the output of an op-amp to its inverting input and apply…

Permanent Magnets

Textbook

Centuries ago, it was discovered that certain types of mineral rock…