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Oscilloscope Trigger Controls

Worksheets - Motor Control

A very useful tool for observing rotating objects is a strobe light.…

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Single-phase Induction Motors

Textbook

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

Induction Motor

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

AC Instrumentation Transducers

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Stepper Motors

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

Design Project: Stepper Motor Driver

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At first it may seem pointless to have the four buffer gates following…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Stepper Motors

Textbook

A stepper motor is a “digital” version of the electric…

Design Project: DC Motor

Worksheets - Motor Control

The armature windings of your DC motor will have very low resistance.…

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

DC Motor Theory

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

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

Simple Vector Addition

Textbook

Remember that vectors are mathematical objects just like numbers on a…

Microprocessors

Textbook

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

Superposition Theorem

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

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

Protective Relay Circuits

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Protective relays are special power-sensing devices whose job it is to…

Karnaugh Maps, Truth Tables, and Boolean Expressions

Textbook

Who Developed the Karnaugh Map? Maurice Karnaugh, a…

Microstrip Trace Width Calculator

Tools

This tool is designed to compute for the trace width of a microstrip

Introduction to AC Circuits

Textbook

“AC” stands for Alternating Current, which can refer to…

Finite-state Machine

Textbook

Feedback is a fascinating engineering principle. It can turn a rather…

From Electric to Electronic

Textbook

Introduction This third volume of the book series Lessons In Electric…

Performance-Based Assessments for Analog Integrated Circuit Competencies

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Fundamentals of Radio Communication

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What does the acronym RF stand form, in reference to radio-related…

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

Stripline Max Current Calculator

Tools

A calculator designed to calculate the maximum current that a stripline can handle

Look-up Tables

Textbook

Having learned about digital memory devices in the last chapter, we…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

AC Phase

Textbook

Things start to get complicated when we need to relate two or more AC…

Modern Nonmechanical Memory

Textbook

Now we can proceed to studying specific types of digital storage…

Capacitance, Reactance, and Admittance Calculator

Tools

A calculator for solving the capacitance, reactance, and admittance of a capacitor.

Bit Grouping

Textbook

The singular reason for learning and using the binary numeration…

Definite Integrals and the Fundamental Theorem of Calculus

Textbook

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Precision Potentiometer

Textbook

PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

Basic Electromagnetism and Electromagnetic Induction

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

Active Versus Passive Devices

Textbook

Passive Devices Components incapable of controlling current by means…

Passive Filter Circuits

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In very simple, qualitative terms, rate the impedance of capacitors…

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Multi-Stage Amplifier

Textbook

PARTS AND MATERIALS Three NPN transistors—model 2N2222 or 2N3403…

The Antiderivative (Indefinite Integral)

Textbook

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

Thevenin-Norton Equivalencies

Textbook

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

Capacitor Impedance Calculator

Tools

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

Time Constant Circuits

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

Bipolar Transistor Biasing Circuits

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

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…