Categories

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

Textbook

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

High Voltage Ohmmeters

Textbook

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

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

CMOS Logic Gates

Worksheets - Electromechanical

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

AC Motor Control Circuits

Worksheets - Electromechanical

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Circuit With a Switch

Textbook

PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…

AC Commutator Motors

Textbook

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

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Performance-Based Assessments for DC Circuit Competencies

Worksheets - Electromechanical

(Template)

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

Transformer—Power Supply

Textbook

PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…

Contact “Normal” State and Make/Break Sequence

Textbook

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

Relay Construction

Textbook

An electric current through a conductor will produce a magnetic field…

Arc Flash and Arc Blast

Worksheets - Electromechanical

Electromechanical relays used to start and stop high-power electric…

Linear Computational Circuitry

Worksheets - Electromechanical

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

Series and Parallel AC Circuits

Worksheets - Electromechanical

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

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

Bipolar junction transistors (Also known as BJTs) can be used as an…

Contributors (6)

Textbook

Contributors to this chapter are listed in chronological order of…

Critical Temperatures for Superconductors

Textbook

Critical temperatures given in Kelvins Material Element/Alloy…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Edge Coupled Microstrip Impedance Calculator

Tools

This tool helps calculate the impedance of an edge coupled microstrip.

Data - Resistance & Superconductor

Textbook

Tables of specific resistance and temperature coefficient of…

Atomic Structure

Worksheets - Electromechanical

Shown here is a simplified representation of an atom: the smallest…

Clipper and Clamper Circuits

Worksheets - Electromechanical

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

Resistance Calculator

Tools

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.

Overcurrent Protection

Worksheets - Electromechanical

What hazards might be posed by a circuit with excessive current going…

Delta-Sigma ADC

Textbook

One of the more advanced ADC technologies is the so-called…

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Wattmeter Design

Textbook

Power in an electric circuit is the product (multiplication) of…

Sequences

Textbook

Arithmetic sequences An arithmetic sequence is a series of numbers…

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Quantum Devices

Textbook

Most integrated circuits are digital, based on MOS (CMOS) transistors.…

Nonlinear Conduction

Textbook

“Advances are made by answering questions. Discoveries are made…

Static Electricity Sensor

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

Design Project: DC Motor

Worksheets - Electromechanical

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

Voltmeter Design

Worksheets - Electromechanical

Suppose I were about to measure an unknown voltage with a manual-range…

Bipolar Transistor Biasing Circuits

Worksheets - Electromechanical

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

Basic identities

Textbook

Note: while division by zero is popularly thought to be equal to…

AC Phase

Textbook

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

Voltage Regulation

Textbook

As we saw in a few SPICE analyses earlier in this chapter, the output…

Factorials

Textbook

Definition of a factorial Denoted by the symbol “!” after an…

Susceptance and Admittance

Textbook

What is Conductance? In the study of DC circuits, the student of…

Circuit With a Switch

Textbook

PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…

Metric Notation

Textbook

The metric system, besides being a collection of measurement units for…

Arithmetic Properties

Textbook

The associative property In addition and multiplication, terms may be…

555 Schmitt Trigger

Textbook

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

Parallel Resistor-Capacitor Circuits

Textbook

Using the same value components in our series example circuit, we will…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

The Common-collector Amplifier

Textbook

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

AC Instrumentation Transducers

Textbook

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

Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

Induction Motor

Textbook

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

Contact “Normal” State and Make/Break Sequence

Textbook

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

Capacitor Impedance Calculator

Tools

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

Sensing AC Magnetic Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…

Full-Adder

Textbook

The half-adder is extremely useful until you want to add more that…

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…