Categories

Multiplexers and Demultiplexers

Worksheets - Digital ICs

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

Synchronous Counters

Textbook

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

The “Buffer” Gate

Textbook

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

Flip-Flop Circuits

Worksheets - Digital ICs

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

Finite State Machines

Textbook

Up to now, every circuit that was presented was a combinatorial…

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Venn Diagrams and Sets

Textbook

Mathematicians use Venn diagrams to show the logical relationships of…

Encoders and Decoders

Worksheets - Digital ICs

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

NAND Gate S-R Flip-Flop

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…

Octal and Hexadecimal to Decimal Conversion

Textbook

Although the prime intent of octal and hexadecimal numeration systems…

Design Project: Power Inverter

Worksheets - Digital ICs

A common topology for DC-AC power converter circuits uses a pair of…

Ring Counters

Textbook

If the output of a shift register is fed back to the input. a ring…

Boolean Relationships on Venn Diagrams

Textbook

The fourth example has A partially overlapping B. Though, we will…

Gate Universality

Textbook

NAND and NOR gates possess a special property: they are universal.…

Analog and Digital Signals

Textbook

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

Sum and Product Notation

Textbook

For reference, this section introduces the terminology used in some…

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

Basic Electromagnetic Relays

Worksheets - Digital ICs

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

Insulated Gate Field-Effect Transistors

Worksheets - Digital ICs

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

Voltage Signal Systems

Textbook

The use of variable voltage for instrumentation signals seems a rather…

Basic Ammeter Use

Worksheets - Digital ICs

Show how this ammeter would be connected to the light bulb circuit to…

Switches

Worksheets - Digital ICs

What is the purpose of the switch shown in this schematic diagram?

Factors Affecting Capacitance

Textbook

There are three basic factors of capacitor construction determining…

Capacitor Charge and Time Constant Calculator

Tools

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.

Numbers versus Numeration

Textbook

It is imperative to understand that the type of numeration system used…

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Circuits and the Speed of Light

Textbook

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

Series Batteries

Textbook

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

Boolean Arithmetic

Textbook

Let us begin our exploration of Boolean algebra by adding numbers…

The Gated S-R Latch

Textbook

It is sometimes useful in logic circuits to have a multivibrator which…

Non-Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp

Introduction to Analog Integrated Circuits

Textbook

Analog circuits are circuits dealing with signals free to vary from…

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Digital ICs

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

Phase Shift

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two capacitors, 0.1…

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Voltmeter Design

Worksheets - Digital ICs

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

Characteristic Impedance

Worksheets - Digital ICs

Note the “50 ohm” rating printed on the jacket of the cable. What…

AC Capacitor Circuits

Textbook

Capacitors Vs. Resistors Capacitors do not behave the same as…

Stripline Max Current Calculator

Tools

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

Millman’s Theorem Revisited

Textbook

You may have wondered where we got that strange equation for the…

History of SPICE

Textbook

SPICE is a computer program designed to simulate analog electronic…

Sum-of-Products and Product-of-Sums Expressions

Worksheets - Digital ICs

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

Numeration Systems

Worksheets - Digital ICs

Digital computers communicate with external devices through ports:…

Trigonometry for AC Circuits

Worksheets - Digital ICs

Identify which trigonometric functions (sine, cosine, or tangent) are…

Rate-of-change Indicator

Textbook

PARTS AND MATERIALS Two 6 volt batteries Capacitor, 0.1 µF…

Systems of Numeration

Textbook

The Romans devised a system that was a substantial improvement over…

Mesh Current Method and Analysis

Textbook

The Mesh-Current Method, also known as the Loop Current Method, is…

Susceptance and Admittance

Textbook

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

TTL NAND and AND gates

Textbook

Suppose we altered our basic open-collector inverter circuit, adding a…

DC Bridge Circuits

Worksheets - Digital ICs

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

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

Digital Codes

Worksheets - Digital ICs

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

Band-pass Filters

Textbook

How to Create Band-pass Filter There are applications where a…

Trigonometric Equivalencies

Textbook

Shock Current Path

Textbook

As we’ve already learned, electricity requires a complete path…

The Triode

Textbook

De Forest’s Audion tube came to be known as the triode tube…

RF Power Conversion Calculator

Tools

A tool designed to convert RF power from watts to decibels and vice versa

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…