Categories

The D Latch

Textbook

Since the enable input on a gated S-R latch provides a way to latch…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Half-Adder

Textbook

As a first example of useful combinational logic, let’s build a…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Universal Shift Registers: Parallel-in, Parallel-out

Textbook

The purpose of the parallel-in/ parallel-out shift register is to take…

Finite-state Machine

Textbook

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

Basic Logic Gates

Worksheets - Digital ICs

Identify the type of logic gate shown in this schematic diagram, and…

Digital Communication

Worksheets - Digital ICs

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

Boolean Algebraic Properties

Textbook

Another type of mathematical identity, called a “property”…

Simple Combination Lock

Textbook

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

Tracking ADC

Textbook

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

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

Timer Circuits

Worksheets - Digital ICs

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…

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

Bipolar Junction Transistors as Switches

Worksheets - Digital ICs

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…

Practical considerations - Digital Communication

Textbook

A principal consideration for industrial control networks, where the…

Synchronous Counters

Textbook

What is a Synchronous Counter? A synchronous counter, in contrast to…

Transformer—Power Supply

Textbook

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

Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a microstrip.

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

Relay Construction

Textbook

Electricity and Magnetism An electric current through a conductor will…

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

DC Mesh Current Analysis

Worksheets - Digital ICs

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

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Other Specialized Motors

Textbook

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

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Tubes versus Semiconductors

Textbook

Devoting a whole chapter in a modern electronics text to the design…

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

Contributors (5)

Textbook

Contributors to this chapter are listed in chronological order of…

pH Measurement

Textbook

A very important measurement in many liquid chemical processes…

Using Multiple Combinational Circuits

Textbook

As an example of using several circuits together, we are going to make…

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

Finite-state Machine

Textbook

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

Rules for Derivatives

Textbook

Constant rule Rule of sums Rule of differences Product rule Quotient…

Complex Number Arithmetic

Textbook

Since complex numbers are legitimate mathematical entities, just like…

Parallel R, L, and C

Textbook

We can take the same components from the series circuit and rearrange…

Basic Ohmmeter Use

Worksheets - Digital ICs

Explain how an ohmmeter is able to measure the resistance of a…

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Digital ICs

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

Depletion-type IGFETs

Textbook

Insulated gate field-effect transistors are unipolar devices just like…

Special Diodes

Worksheets - Digital ICs

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

Semiconductor Manufacturing Techniques

Textbook

The manufacture of only silicon based semiconductors is described…

Half-wave Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) 6-volt…

An Analogy for Ohm’s Law

Textbook

Ohm’s Law also makes intuitive sense if you apply it to the…

Positive Feedback

Textbook

As we’ve seen, negative feedback is an incredibly useful…

Basic Logic Gates

Worksheets - Digital ICs

Identify the type of logic gate shown in this schematic diagram, and…

Conductor Size

Textbook

It should be common-sense knowledge that liquids flow through…

The Cascode Amplifier

Textbook

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

Precision Potentiometer

Textbook

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

Design Project: Simple Component Curve-Tracer Circuit

Worksheets - Digital ICs

What do each of the oscilloscope axes represent, in real-life terms…

Power Calculations

Textbook

When calculating the power dissipation of resistive components, use…

The Quadratic Formula

Textbook

Solving for x in a given polynomial equation “ax2 + bx + c…

Flash ADC

Textbook

Also called the parallel A/D converter, this circuit is the simplest…

Selsyn (Synchro) Motors

Textbook

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

Amplifier Impedances

Textbook

Input impedance varies considerably with the circuit configuration…

IGFET Quirks

Textbook