Categories

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

What is Alternating Current (AC)?

Textbook

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

AC Commutator Motors

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

AC Instrumentation Transducers

Textbook

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

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Selsyn (Synchro) Motors

Textbook

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

Other Specialized Motors

Textbook

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

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous SPICE is a…

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is…

Capacitance Calculator

Tools

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.

Voltmeter Impact on Measured Circuit

Textbook

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

Tracking ADC

Textbook

A third variation on the counter-DAC-based converter theme is, in my…

Rectangle Loop Inductance Calculator

Tools

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

Voltage Divider Calculator

Tools

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

Look-up Tables

Textbook

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

Inductors and Calculus

Textbook

Inductors do not have a stable “resistance” as conductors…

Decimal versus Binary Numeration

Textbook

Let’s count from zero to twenty using four different kinds of…

Emergency Response

Textbook

Despite lock-out/tag-out procedures and multiple repetitions of…

Current Mirror BJTs

Textbook

Bipolar Junction Transistor or BJT Current Mirror An often-used…

Power Dissipation

Textbook

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

Waveguides

Textbook

A waveguide is a special form of transmission line consisting of a…

The Cascode Amplifier

Textbook

While the C-B (common-base) amplifier is known for wider bandwidth…

Mutual Inductance

Textbook

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

Karnaugh Mapping

Worksheets - IoT

Identify each of these logic gates by name, and complete their…

3-bit Binary Counter

Textbook

PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…

Simultaneous Equations for Circuit Analysis

Worksheets - IoT

Solve this equation for the value of x: x + 5 = 8 How many exact…

Linear Computational Circuitry

Worksheets - IoT

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

Series Batteries

Textbook

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

The Common-source Amplifier (IGFET)

Textbook

Multi-Stage Transistor Amplifiers

Worksheets - IoT

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

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

Temperature Coefficient of Resistance

Textbook

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

Basic Troubleshooting Strategies

Worksheets - IoT

A chandelier has five light bulbs in it, and one of them is not…

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Vol V. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Wire-by-Number project kit introduction

Worksheets - IoT

Wire-by-Number project: simple voltage divider Description: Build a…

Practical Considerations - Transformers

Textbook

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

The “Buffer” Gate

Textbook

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

PWM Power Controller

Textbook

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

AC Network Analysis

Worksheets - IoT

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

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

Electric Shock Data

Textbook

The table of electric currents and their various bodily effects was…

The Common-collector Amplifier

Textbook

Our next transistor configuration to study is a bit simpler for gain…

Practical Considerations of ADC Circuits

Textbook

Perhaps the most important consideration of an ADC is its resolution.…

Amplifier Circuits

Textbook

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…

Conductance

Textbook

When students first see the parallel resistance equation, the natural…

Karnaugh Maps, Truth Tables, and Boolean Expressions

Textbook

Who Developed the Karnaugh Map? Maurice Karnaugh, a…