Categories

Digital Communication

Worksheets - Embedded

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…

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential logic.…

Look-up Tables

Textbook

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

AC Motor Control Circuits

Worksheets - Embedded

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Microprocessor Programming

Worksheets - Embedded

What is the difference between a JMP (“jump”) instruction and a…

Resistor Color Code Calculator and Chart (4-band, 5-band or 6-band)

Tools

A handy tool for reading resistor color code values

Synchronous Counters

Textbook

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

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Negative Binary Numbers

Textbook

With addition being easily accomplished, we can perform the operation…

Programmable Logic Technology

Worksheets - Embedded

Define the following acronyms as they apply to digital logic circuits:…

Decoder

Textbook

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

Binary Addition

Textbook

The Rules of Binary Addition Adding binary numbers is a very simple…

Semiconductor Manufacturing Techniques

Textbook

The manufacture of only silicon based semiconductors is described…

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Embedded

Microcontroller Principles

Worksheets - Embedded

Read the following quotation, and then research the term…

Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

Memory Devices

Worksheets - Embedded

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

Pulse Width Modulation

Textbook

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

Introduction to Discrete Semiconductor Circuits

Textbook

A semiconductor device is one made of silicon or any number of other…

555 Hysteretic Oscillator

Textbook

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

Basic identities

Textbook

Additive Identity a + 0 = a Multiplicative Identity 1a = a…

Arc Flash and Arc Blast

Worksheets - Embedded

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

Decibel Measurements

Worksheets - Embedded

During the early development of telephone technology, a unit was…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Capacitor Impedance Calculator

Tools

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

Basic Oscilloscope Operation

Worksheets - Embedded

An oscilloscope is a very useful piece of electronic test equipment.…

Radicals

Textbook

Definition of a Radical Given the expression where “x” is…

Special-output Gates

Textbook

Complementary Output Gates It is sometimes desirable to have a logic…

Programmable Logic Controllers

Worksheets - Embedded

The Programmable Logic Controller, or PLC, was invented in the late…

The Silicon-Controlled Switch (SCS)

Textbook

If we take the equivalent circuit of an SCR and add another external…

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Thyristors

Textbook

Thyristors are a broad classification of bipolar-conducting…

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Karnaugh Maps, Truth Tables, and Boolean Expressions

Textbook

Who Developed the Karnaugh Map? Maurice Karnaugh, a…

The Common-gate Amplifier (IGFET)

Textbook

Divided Feedback

Textbook

If we add a voltage divider to the negative feedback wiring so that…

Millman’s Theorem

Worksheets - Embedded

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

Successive Approximation ADC

Textbook

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

Series Circuit Rules

Textbook

Current Components in a series circuit share the same current: Itotal…

Coefficients of Specific Resistance

Textbook

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

Multiple-input Gates

Textbook

The Use of Logic Gate Inverters and buffers exhaust the possibilities…

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Resonance

Worksheets - Embedded

The Q factor of a series inductive circuit is given by the following…

Noise Figure and Noise Temperature Calculator

Tools

This calculator computes the noise figure and noise temperature in a system

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Positive Feedback

Textbook

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

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

Textbook

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

DeMorgan’s Theorems

Textbook

A mathematician named DeMorgan developed a pair of important rules…

Averager and Summer Circuits

Textbook

If we take three equal resistors and connect one end of each to a…

How to Build a Current Mirror Circuit

Textbook

PARTS AND MATERIALS   Two NPN transistors—models 2N2222 or…

Amplifier Circuits

Textbook

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

Beam Power Tubes

Textbook

In the beam power tube, the basic four-element structure of the…

Single-phase Induction Motors

Textbook

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

Kelvin (4-wire) Resistance Measurement

Textbook

Suppose we wished to measure the resistance of some component located…

Fundamentals of Radio Communication

Worksheets - Embedded

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

Common Sources of Hazard

Textbook

Of course, there is a danger of electrical shock when directly…

Analysis Options

Textbook

AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…