Categories

Switched Capacitor Circuitry

Worksheets - Passives

Write an equation describing the precise mathematical relationship…

AC Inductor Circuits

Textbook

Resistors vs. Inductors Inductors do not behave the same way as…

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

Coil Inductance Calculator

Tools

This calculator helps you compute the inductance of a coil.

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Passives

As an electric current is passed through a coil of wire, it creates a…

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Parallel DC Circuits Practice Worksheet With Answers

Worksheets - Passives

In this circuit, three resistors receive the same amount of voltage…

PWM Power Controller

Textbook

PARTS AND MATERIALS Four 6 volt batteries One capacitor, 100 µF…

Resistors Types

Textbook

These are the most common types of resistors available. Resistors…

Building Series-Parallel Resistor Circuits

Textbook

Once again, when building battery/resistor circuits, the student or…

Ohm’s Law (again!)

Textbook

A common phrase heard in reference to electrical safety goes something…

Rectangle Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a rectangle loop.

Conductors, Insulators, and Electron Flow

Textbook

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

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

L-Match Impedance Matching Circuits

Tools

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

Radio Circuits

Textbook

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

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Input and Output Coupling

Textbook

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

Capacitance

Worksheets - Passives

Write an equation describing the precise mathematical relationship…

AC Resistor Circuits (Capacitive)

Textbook

Pure resistive AC circuit: voltage and current are in phase.  …

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

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…

How to Use an Ammeter to Measure Current

Textbook

Parts and Materials   6-volt battery   6-volt incandescent…

Basic Electromagnetic Relays

Worksheets - Passives

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

AC Waveforms

Textbook

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

Negative Feedback OpAmp Circuits

Worksheets - Passives

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

More on AC “polarity”

Textbook

Complex numbers are useful for AC circuit analysis because they…

The Antiderivative (Indefinite Integral)

Textbook

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

Make Your Own Multimeter

Textbook

PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…

Introduction to Digital-Analog Conversion

Textbook

Connecting digital circuitry to sensor devices is simple if the sensor…

Numeration Systems

Worksheets - Passives

Digital computers communicate with external devices through ports:…

Capacitor Charge and Time Constant Calculator

Tools

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.

Historical, Nonmechanical Memory Technologies

Textbook

Perhaps the most ingenious technique was that of the delay line. A…

Design Project: Logic Probe

Worksheets - Passives

What factors determine where potentiometers Rpot1 and Rpot2 must be…

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

Precision Voltage Follower

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Asynchronous Flip-Flop Inputs

Textbook

The normal data inputs to a flip flop (D, S and R, or J and K) are…

Re-drawing Complex Schematics

Textbook

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

Magnetic Units of Measurement

Textbook

If the burden of two systems of measurement for common quantities…

AC phase

Worksheets - Passives

If we were to express the series-connected DC voltages as phasors…

Diode Ratings

Textbook

In addition to forward voltage drop (Vf) and peak inverse voltage…

Ohm’s Law Calculator

Tools

Calculate circuit parameters using Ohm's Law

Junction field-effect transistors (JFET)

Worksheets - Passives

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

Encoders and Decoders

Worksheets - Passives

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

Microstrip Patch Antenna Calculator

Tools

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

The Command-line Interface

Textbook

If you’ve used DOS or UNIX operating systems before in a…

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Passives

(Template)

AC Motor Theory

Worksheets - Passives

Electromechanical watt-hour meters use an aluminum disk that is spun…

Design Project: Intercom System

Worksheets - Passives

Design a passive circuit that will create a "split” ( V/-V) power…

Oscillator Circuits

Textbook

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…

Digital Display Circuits

Worksheets - Passives

What is the purpose of a seven-segment decoder circuit? What is a…

Rules for Limits

Textbook

 

Field-effect-controlled Thyristors

Textbook

Two relatively recent technologies designed to reduce the…

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

What Are Zener Diodes?

Textbook

What Is a Zener Diode? A Zener diode is a special type of rectifying…

555 Monostable Multivibrator

Textbook

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

Contributors (13)

Textbook

Contributors to this chapter are listed in chronological order of…

Current Divider

Textbook

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