Electronic

Sometimes amateurs like to home brew their power supplies instead of purchasing one off the ...

An article on origin and usage of the Decibel that has always been a logarithmically ...

The MC3423 can protect sensitive circuity from power supply transients or regulator failure when used ...

Thermocouple ammeters are very rare these days but the job they were perfect for measuring ...

A little gadget was found in an article in QST made with 1 pair of ...

This tutorial provides background information on the decibel and instructions for performing calculations involving decibels ...

Different type of capacitors or condensers and description of the various types and their uses ...

Basic electronic circuit laws, capacitors, resistors, power circuits examples

Calculate the inductance of a single-layer, air-core coil.

Balanced and Unbalanced Systems

Decibels dB dBA dBC dBV dBm and dBi What are they all How are they ...

A DC buss distribution box, make it yourself for less than $10

Around 200 electronic circuits in pdf format or images There are also over 1000 links ...

Maybe yes maybe no It all depends on the type of antenna and feed line ...

by Jim Hawkins - WA2WHV How Radio Waves Are Born

Descriptions summaries and tutorials about electronic circuits and electronic circuit design including amplifiers attenuators logic ...

Everything you wanted to know about building stuff but were afraid to ask This series ...

Electronics and Radio Today for electronics and radio information projects parctical information and introductory articles ...

Ferrite Toroidal Cores Magnetic Properties of Ferrite Materials EMI RFI Suppression Design Considerations Ferrite Beads ...

Using ferrite to reduce radio frequency interference with your PC monitor or antennas with your ...

Common terms used referring to crystals

Excellent slides explaining radio and radiowaves generation basics

Different types of inductors a brief description of the various types and their uses ...

Explains the fundamentals of swept tuned super heterodyne spectrum analyzers and discusses the latest advances ...

Repairing a KAM interface changing two capacitors and transistors by IK5PWC

To make smart looking PCB s all you need is a computer a laser printer ...

This article also shows how you can make your own measurements that are as good ...

Negative feedback is often referred to as shunt feedback in conjunction with emitter degeneration ...

Cheap and relatively easy way of making professional quality printed circuit boards at home ...

Information and tutorials about all aspects of radio and electronics including propagation ham radio electronics ...

What electronic parts you can recover from PC monitor VCR CD ROM FDD HDD Laptop ...

A general overview on resistors and their uses

A neat tool for your daily ham activities around the shack

Index of main electronics topics

With all the wire you have out you may run into a problem with static ...

This simple modification is applicable to pretty much any 12 volt operated positive earth equipment ...

Article about shields Litz wire braid and skin depth It is still being expanded ...

Guide to soldering an desoldering

Winding Toroids can be a real hassle for those of use who are left handed ...

Description of what is a transformer and winding types

How Vacuum Tubes Really Work Vacuum tubes rely on hot cathodes emitting electrons and a ...

While transistors have many uses one of the less known uses by amateurs is the ...

Excellent guide to using ferrite cores for interference suppression Understanding and Solving RF Interference and ...

A compact voltage protector/fuse assembly for 100-watt transceivers by AD5X

A Guide to safely wind toroidal cores by vu2fd