Categories

555 Hysteretic Oscillator

Textbook

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

Signal Modulation

Worksheets - Crystals and Resonators

A modern method of electrical power control involves inserting a…

Time Constant Calculations

Worksheets - Crystals and Resonators

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

Digital Logic Signals

Worksheets - Crystals and Resonators

A rheostat (variable resistor) and a switch are both examples of…

Switched Capacitor Circuitry

Worksheets - Crystals and Resonators

Write an equation describing the precise mathematical relationship…

Positive Feedback OpAmp Circuits

Worksheets - Crystals and Resonators

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

OpAmp Oscillator Circuits

Worksheets - Crystals and Resonators

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

Resonance

Worksheets - Crystals and Resonators

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

Radio Circuits

Textbook

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

Series and Parallel AC Circuits

Worksheets - Crystals and Resonators

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

Time Constant Circuits

Worksheets - Crystals and Resonators

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

Oscillator Circuits

Worksheets - Crystals and Resonators

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

Time Constant Circuits

Worksheets - Crystals and Resonators

Generally speaking, how many “time constants” worth of time does…

Capacitor Types

Textbook

A capacitor is a passive two-terminal electronic component that…

Ohm’s Law Calculator

Tools

Calculate circuit parameters using Ohm's Law

Capacitance

Worksheets - Crystals and Resonators

Write an equation describing the precise mathematical relationship…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Circuit Effects

Textbook

The principle of non-sinusoidal, repeating waveforms being equivalent…

Inductor Quirks

Textbook

In an ideal case, an inductor acts as a purely reactive device. That…

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…

Rectifier/Filter Circuit

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Bridge rectifier pack…

Speed Distance Time Calculator

Tools

This calculator will solve for either distance, time, or speed given two of the three parameters.

Capacitor Transient Response

Textbook

Because capacitors store energy in the form of an electric field, they…

Radio Circuits

Textbook

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

Parallel Resistor-Inductor Circuits

Textbook

Let’s take the same components for our series example circuit…

Differential Transistor Amplifiers

Worksheets - Crystals and Resonators

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

Time Constant Circuits

Worksheets - Crystals and Resonators

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

Conductors, Insulators, and Electron Flow

Textbook

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

DC Lab - Rate-of-change Indicator

Textbook

In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.

Coil Inductance Calculator

Tools

This calculator computes the inductance of a wire coil.

Capacitor Impedance Calculator

Tools

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.

Design Project: Sensitive Microphone Amplifier

Worksheets - Crystals and Resonators

Identify which direction each potentiometer wiper must move in this…

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

AC Resistor Circuits (Inductive)

Textbook

Instantaneous Values in AC Circuits Pure resistive AC circuit:…

Integrated Circuits

Textbook

  A Logic Gate is assigned as an elementary building block of…

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

AC Capacitor Circuits

Textbook

Capacitors Vs. Resistors Capacitors do not behave the same as…

The Quadratic Formula

Textbook

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

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Crystals and Resonators

When lightning strikes, nearby magnetic compass needles may be seen to…

Electrons and “holes’’

Textbook

Pure semiconductors are relatively good insulators as compared with…

Binary Subtraction

Textbook

We can subtract one binary number from another by using the standard…

Attenuators

Textbook

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

DC Motor Control Circuits

Worksheets - Crystals and Resonators

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

Basic Voltmeter Use

Worksheets - Crystals and Resonators

What will this voltmeter register when connected to a battery as shown…

Electron Versus Conventional Flow

Worksheets - Crystals and Resonators

In this electrical circuit, trace the direction of current through the…

Switched Capacitor Circuitry

Worksheets - Crystals and Resonators

Write an equation describing the precise mathematical relationship…

Capacitor Quirks

Textbook

As with inductors, the ideal capacitor is a purely reactive device,…

Millman’s Theorem

Textbook

In Millman’s Theorem, the circuit is re-drawn as a parallel…

DeMorgan’s Theorems

Textbook

A mathematician named DeMorgan developed a pair of important rules…

The R/2R DAC (Digital-to-Analog Converter)

Textbook

The R/2R DAC circuit is an alternative to the binary-weighted-input…