Categories

Digital Display Circuits

Worksheets - Optoelectronics

What is the purpose of a seven-segment decoder circuit? What is a…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Optoelectronic Devices

Worksheets - Optoelectronics

In this circuit, the electric motor is supposed to turn on whenever…

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Simple Combination Lock

Textbook

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

Design Project: LED Stroboscope

Worksheets - Optoelectronics

A technician uses a stroboscope to “freeze” the rotation of a…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Karnaugh Mapping

Worksheets - Optoelectronics

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

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Precise Diode Circuits

Worksheets - Optoelectronics

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

Design Project: AC-DC Power Supply

Worksheets - Optoelectronics

Safety is very important when designing and/or building a device…

Algebraic Substitution for Electric Circuits

Worksheets - Optoelectronics

There are two basic Ohm’s Law equations: one relating voltage,…

Rate-of-change Indicator

Textbook

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

Current Signal Systems

Textbook

Current Source It is possible through the use of electronic amplifiers…

Critical Temperatures for Superconductors

Textbook

Critical temperatures given in Kelvins Material Element/Alloy Critical…

Transistors, Bipolar

Textbook

There are not too many circuit symbols for bipolar transistors. There…

Digital-to-Analog Conversion

Worksheets - Optoelectronics

If a pulse-width modulated (PWM) signal is sent to a passive…

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Resonance in Series-Parallel Circuits

Textbook

In simple reactive circuits with little or no resistance, the effects…

Resistance

Textbook

The circuit in the previous section is not a very practical one. In…

Simple Circuits

Worksheets - Optoelectronics

Shown here is the schematic symbol for a resistor: What is the purpose…

Contributors (13)

Textbook

Contributors to this chapter are listed in chronological order of…

Converting Truth Tables into Boolean Expressions

Textbook

In designing digital circuits, the designer often begins with a truth…

Basic Electromagnetic Relays

Worksheets - Optoelectronics

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

Transistors, junction field-effect (JFET)

Textbook

Note that the direction of the arrow at the gate indicates the…

Inductors

Worksheets - Optoelectronics

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

Sensitive Audio Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio…

Trigonometric Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

PN Junctions

Worksheets - Optoelectronics

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

Attenuators

Textbook

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

Voltage Follower

Textbook

PARTS AND MATERIALS One NPN transistor—models 2N2222 or 2N3403…

Parallel Circuit Rules

Textbook

Voltage Components in a parallel circuit share the same voltage:…

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Optoelectronics

(Template)

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Printed Circuit Board Layout and Manufacture

Worksheets - Optoelectronics

When a PCB designer speaks of dimensions in thous or mils, what does…

Autotransformers

Worksheets - Optoelectronics

How much voltage is there between the following pairs of points in…

Trigonometry for AC Circuits

Worksheets - Optoelectronics

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

Introduction to Junction Field-effect Transistors (JFET)

Textbook

A transistor is a linear semiconductor device that controls current…

Embedded Microstrip Impedance Calculator

Tools

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

Contributors (9)

Textbook

Contributors to this chapter are listed in chronological order of…

Octal and Hexadecimal to Decimal Conversion

Textbook

Although the prime intent of octal and hexadecimal numeration systems…

Ohm’s Law

Textbook

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

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

555 Ramp Generator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 470 µF…

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

More on AC “polarity”

Textbook

Complex numbers are useful for AC circuit analysis because they…

Diode Switching Circuits

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Optoelectronics

Calculate the voltage output by the secondary winding of a transformer…