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Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

Inductive Reactance

Worksheets - Relays

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

DC Motor Control Circuits

Worksheets - Relays

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

Time Constant Calculations

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

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Encoders and Decoders

Worksheets - Relays

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

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Flip-Flop Circuits

Worksheets - Relays

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

Programmable Logic Controllers (PLC)

Textbook

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

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…

Boolean Algebra

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

CMOS Logic Gates

Worksheets - Relays

Counting practice: count from zero to thirty-one in binary, octal, and…

Latch Circuits

Worksheets - Relays

What do you think this logic buffer gate will do, with the output…

Special-output Gates

Textbook

Complementary Output Gates It is sometimes desirable to have a logic…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

DC Generator Theory

Worksheets - Relays

Generators used in battery-charging systems must be regulated so as to…

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

Voltmeter Impact on Measured Circuit

Textbook

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

Miscellaneous Diode Applications

Worksheets - Relays

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

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

Bipolar Junction Transistors as Switches

Worksheets - Relays

Solid-state switching circuits usually keep their constituent…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Time Constant Calculations

Worksheets - Relays

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

Solid-state Relays

Textbook

Limitations of Electromechanical Relays As versatile as…

Programmable Logic Controllers (PLC)

Textbook

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

Single-phase Induction Motors

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Simple Combination Lock

Textbook

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

CMOS Logic Gates

Worksheets - Relays

Counting practice: count from zero to thirty-one in binary, octal, and…

Fuses

Textbook

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

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Special-output Gates

Textbook

Complementary Output Gates It is sometimes desirable to have a logic…

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

DC Motor Theory

Worksheets - Relays

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

Resonance

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

Commutating Diode

Textbook

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

Ohm’s Law Calculator

Tools

Calculate circuit parameters using Ohm's Law

Factors Affecting Capacitance

Textbook

There are three basic factors of capacitor construction determining…

Polyphase Power Systems

Worksheets - Relays

Explain the difference between a balanced polyphase system and an…

Magnetic Units of Measurement

Textbook

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

Resistors

Textbook

Because the relationship between voltage, current, and resistance in…

Single-phase Power Systems

Textbook

Single phase power system schematic diagram shows little about the…

Superposition Theorem

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

Introduction to Complex Numbers

Textbook

If I needed to describe the distance between two cities, I could…

Numeration Systems

Worksheets - Relays

Digital computers communicate with external devices through ports:…

555 Hysteretic Oscillator

Textbook

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

Solid-state Relays

Textbook

Limitations of Electromechanical Relays As versatile as…

More on Spectrum Analysis

Textbook

Computerized Fourier analysis, particularly in the form of the FFT…

Nonlinear OpAmp Circuits

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

Maximum Power Transfer Theorem

Textbook

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

Rules for Limits

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Broadside Coupled Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a broadside coupled stripline.

Flip-Flop Circuits

Worksheets - Relays

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

Peak to Peak Voltage Calculator (VP-P)

Tools

This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.

The Command-line Interface

Textbook

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

Solving for Unknown Time

Textbook

Sometimes it is necessary to determine the length of time that a…