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Tips From Our Tech Department

We will publish any hints or tips that we feel are of general interest to electronic technicians, teachers and students. If you have a tip you would like to share, please write, FAX or email it to us at electron@elexp.com and we will evaluate it for possible inclusion in this section.

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Speed of Light with Nanosecond Pulsed 650 nm Diode Laser
Reprinted with the permission of the author, Mitch Gallant Ph.D.

The 7-Henry Inductor
Answer to a question sent in by one of our readers

Choosing Components: Part 1

Choosing Components: Part 2

Connectors

Contact Bounce and De-Bouncing

Making Electrical Measurements Part 1

Making Electrical Measurements Part 2: Loading

Making Electrical Measurements Part3: Testing Diodes and Transistors

Keypads
How They Are Built; How They Are Read

17KP1604 4x4 Keypad
Interfacing the 17KP1604 4x4 keypad wo a 74C922 decoder chip.

The Oscillating Amplifier

Notes On Gain-Error In Op-Amp Amplifiers

RS-232 Interface

X10 Scope Probe

Shunt Regulator

"Lead Free - What to Do? About the Useful Life of Soldering Tips -- By Volker Munz and Dr. Werner Kruppa
(Used with the permission of Dr. Werner Kruppa)

Article: Weller - Coping with Lead Free

Article: Cooper Hand Tools - Lead Free Soldering

Tip Saving Solution When Using Lead Free Solder

Better Soldering - (A COOPERTools Reprint)

"The Ten Commandments" For Electronic Soldering

Article: Cooper Hand Tools - Isocyanates

Article: Cooper Hand Tools - Occupational Asthma

Article: Cooper Hand Tools - Health Hazards

Article: Cooper Hand Tools - Solvents

Article: Weller - Tips on Tips - How to extend soldering tip life

Article: Weller - Compatability Chart - Allows you to easily match up the right power unit with the right accessory

Reading Transistor Markings

Trouble-Shooting

Article: Cooper Hand Tools - All About Screws

REFERENCE CHARTS

BCD Switch Table

Capacitor Code Guide

Diode Data

Resistor Color Guide

Inductor Color Guide

Capacitor Guide

EIA Standard Values Table

Film Resistor Charts

• 5% Carbon Film Resistors
• 1% Metal Film Resistors

Telephony Dialing and Signaling Tones

General Purpose Transistors

Wire Chart

FREE SOFTWARE

EXPERIMENTS

Simple DC-DC Converter
Originally published in the Fall 1997 issue of Potential, a newsletter published by R. S. R. Electronics. Inc.

Adjustable Duty-Cycle Oscillator
Originally published in the Spring 1998 issue of Potential, a newsletter published by R. S. R. Electronics. Inc.

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