Categories

Bipolar Junction Transistors as Switches

Worksheets - Power Supplies

Solid-state switching circuits usually keep their constituent…

Step-up, Step-down, and Isolation Transformers

Worksheets - Power Supplies

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

Design Project: DC Voltage Regulator

Worksheets - Power Supplies

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

Basic AC-DC Power Supplies

Worksheets - Power Supplies

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

Specific Resistance of Conductors

Worksheets - Power Supplies

Given two lengths of metal wire, which one will have the least…

Design Project: AC-DC Power Supply

Worksheets - Power Supplies

Safety is very important when designing and/or building a device…

Peak, Average, and RMS Measurements

Worksheets - Power Supplies

How is it possible to assign a fixed value of voltage or current (such…

Basic Operational Amplifiers

Worksheets - Power Supplies

Determine the output voltage polarity of this op-amp (with reference…

JFET Amplifiers

Worksheets - Power Supplies

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

Zener Diodes

Worksheets - Power Supplies

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

Ring Counters

Textbook

If the output of a shift register is fed back to the input. a ring…

Design Project: Dual-output AC-DC Power Supply

Worksheets - Power Supplies

Safety is very important when designing and/or building a device…

Inductance

Worksheets - Power Supplies

∫f(x) dx Calculus alert! One of the fundamental principles of…

Practical Considerations - Transformers

Textbook

Power Capacity As has already been observed, transformers must be well…

Rectifier Circuits

Textbook

What is Rectification? Now we come to the most popular application of…

What is Alternating Current (AC)?

Textbook

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

Single-phase Induction Motors

Textbook

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

Special-purpose Diodes

Textbook

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

DC Motor Theory

Worksheets - Power Supplies

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

Resonant Filters

Textbook

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

Delta and Wye 3-Phase Circuits

Worksheets - Power Supplies

Label where each of the following electrical quantities would be found…

Special Diodes

Worksheets - Power Supplies

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

DC Mesh Current Analysis

Worksheets - Power Supplies

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

Coil Inductance Calculator

Tools

This calculator computes the inductance of a wire coil.

Series Batteries

Textbook

PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery  …

Practical Power Factor Correction

Textbook

When the need arises to correct for poor power factor in an AC power…

AC Waveforms

Worksheets - Power Supplies

Radio waves are comprised of oscillating electric and magnetic fields,…

Passive Integrator and Differentiator Circuits

Worksheets - Power Supplies

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

Power Measurement

Textbook

Power measurement in AC circuits can be quite a bit more complex than…

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Three-phase Y and Delta Configurations

Textbook

Three-phase Wye(Y) Connection Initially, we explored the idea of…

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Other Diode Technologies

Textbook

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

Op-Amp Voltage and Gain Calculator

Tools

A calculator for computing the gain and output voltage of an operational amplifier

Fuses

Textbook

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

Conductors, Insulators, and Electron Flow

Textbook

The electrons of different types of atoms have different degrees of…

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Step-up and Step-down Transformers

Textbook

So far, we’ve observed simulations of transformers where the…

Capacitive Reactance

Worksheets - Power Supplies

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

Capacitors

Worksheets - Power Supplies

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Performance-Based Assessments for Basic Electricity Competencies

Worksheets - Power Supplies

(Template)

NOR Gate S-R Latch

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Introduction to Network Theorems

Textbook

Anyone who’s studied geometry should be familiar with the…

Commutating Diode

Textbook

PARTS AND MATERIALS 6 volt battery Power transformer, 120VAC step-down…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Time-delay Relays

Textbook

What are Time-Delay Relays? Some relays are constructed with a kind of…

Sound Cancellation

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…

Voltage Regulator

Textbook

PARTS AND MATERIALS Four 6 volt batteries Zener diode, 12…

Design Project: Audio Tone Control

Worksheets - Power Supplies

Suppose you were installing a high-power stereo system in your car,…

Sensing AC Magnetic Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…

Introduction to Operational Amplifiers (Op-amps)

Textbook

What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…

Venn Diagrams and Sets

Textbook

Mathematicians use Venn diagrams to show the logical relationships of…

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

Wire Microstrip Impedance Calculator

Tools

A helpful tool for calculating the impedance of a wire microstrip.

Lock-out / Tag-out

Worksheets - Power Supplies

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

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…

Band Theory of Solids

Textbook

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