- 10 Amp 13.8 Volt Power Supply
Sometimes amateurs like to home brew their power supplies instead of purchasing one off the ...
[ Hits: 1935 | Votes: 3 | Rating: 9.67 ]
- A Brief Treatise on the Decibel
- W5YR
An article on origin and usage of the Decibel that has always been a logarithmically ...
[ Hits: 280 | Votes: 0 | Rating: 0 ]
- A high perfomance Crowbar Circuit
The MC3423 can protect sensitive circuity from power supply transients or regulator failure when used ...
[ Hits: 524 | Votes: 0 | Rating: 0 ]
- A Modern Thermocouple Ammeter
Thermocouple ammeters are very rare these days but the job they were perfect for measuring ...
[ Hits: 2874 | Votes: 2 | Rating: 6 ]
- A quick polarity tester
A little gadget was found in an article in QST made with 1 pair of ...
[ Hits: 299 | Votes: 0 | Rating: 0 ]
- A Tutorial on the Decibel
- W1ICW
This tutorial provides background information on the decibel and instructions for performing calculations involving decibels ...
[ Hits: 353 | Votes: 1 | Rating: 7 ]
- Capacitors and their uses
Different type of capacitors or condensers and description of the various types and their uses ...
[ Hits: 458 | Votes: 1 | Rating: 10 ]
- Circuit Laws
Basic electronic circuit laws, capacitors, resistors, power circuits examples
[ Hits: 385 | Votes: 3 | Rating: 5 ]
- Coil Inductance Calculator
Calculate the inductance of a single-layer, air-core coil.
[ Hits: 4535 | Votes: 24 | Rating: 5.3 ]
- Common mode current
Balanced and Unbalanced Systems
[ Hits: 286 | Votes: 0 | Rating: 0 ]
- dB: What is a decibel?
Decibels dB dBA dBC dBV dBm and dBi What are they all How are they ...
[ Hits: 950 | Votes: 2 | Rating: 2 ]
- DC Buss Box
A DC buss distribution box, make it yourself for less than $10
[ Hits: 537 | Votes: 1 | Rating: 7 ]
- Delabs technologies Product Design and Engineering
- Anantha Narayan
Around 200 electronic circuits in pdf format or images There are also over 1000 links ...
[ Hits: 748 | Votes: 2 | Rating: 7 ]
- Do You Need an Antenna Tuner
Maybe yes maybe no It all depends on the type of antenna and feed line ...
[ Hits: 22958 | Votes: 12 | Rating: 4.58 ]
- Electromagnetic Radiation Explained
by Jim Hawkins - WA2WHV How Radio Waves Are Born
[ Hits: 1049 | Votes: 2 | Rating: 6 ]
- Electronic Circuits and Design Information
Descriptions summaries and tutorials about electronic circuits and electronic circuit design including amplifiers attenuators logic ...
[ Hits: 396 | Votes: 0 | Rating: 0 ]
- Electronic Construction Tutorial
Everything you wanted to know about building stuff but were afraid to ask This series ...
[ Hits: 1958 | Votes: 4 | Rating: 5.75 ]
- Electronics and Radio Today
- Ian Poole
Electronics and Radio Today for electronics and radio information projects parctical information and introductory articles ...
[ Hits: 992 | Votes: 69 | Rating: 6.81 ]
- Ferrite information
Ferrite Toroidal Cores Magnetic Properties of Ferrite Materials EMI RFI Suppression Design Considerations Ferrite Beads ...
[ Hits: 13702 | Votes: 4 | Rating: 5 ]
- Ferrite on Reducing RFI
Using ferrite to reduce radio frequency interference with your PC monitor or antennas with your ...
[ Hits: 2238 | Votes: 0 | Rating: 0 ]
- Glossary of Terms for Crystals
Common terms used referring to crystals
[ Hits: 250 | Votes: 0 | Rating: 0 ]
- How Radio Works
Excellent slides explaining radio and radiowaves generation basics
[ Hits: 1735 | Votes: 4 | Rating: 9.75 ]
- Inductors and their uses
Different types of inductors a brief description of the various types and their uses ...
[ Hits: 562 | Votes: 2 | Rating: 5.5 ]
- Introduction to spectrum analyzer
- Shilpa
Explains the fundamentals of swept tuned super heterodyne spectrum analyzers and discusses the latest advances ...
[ Hits: 1377 | Votes: 5 | Rating: 5 ]
- KAM Repairing
Repairing a KAM interface changing two capacitors and transistors by IK5PWC
[ Hits: 198 | Votes: 1 | Rating: 7 ]
- Making printed circuits
To make smart looking PCB s all you need is a computer a laser printer ...
[ Hits: 863 | Votes: 3 | Rating: 5.67 ]
- Measuring Inductances with a Freqeuency Counter
This article also shows how you can make your own measurements that are as good ...
[ Hits: 740 | Votes: 3 | Rating: 2.67 ]
- Negative feedback output circuit
Negative feedback is often referred to as shunt feedback in conjunction with emitter degeneration ...
[ Hits: 1106 | Votes: 1 | Rating: 10 ]
- PCB with kitchen appliances
Cheap and relatively easy way of making professional quality printed circuit boards at home ...
[ Hits: 375 | Votes: 2 | Rating: 5.5 ]
- Radio-Electronics.Com
- Ian Poole G3YWX
Information and tutorials about all aspects of radio and electronics including propagation ham radio electronics ...
[ Hits: 1326 | Votes: 8 | Rating: 8.13 ]
- Recovering parts from surplus
What electronic parts you can recover from PC monitor VCR CD ROM FDD HDD Laptop ...
[ Hits: 1151 | Votes: 2 | Rating: 5.5 ]
- Resistors and their uses
A general overview on resistors and their uses
[ Hits: 274 | Votes: 0 | Rating: 0 ]
- Return Loss, SWR, Power Gain and Loss Calculator
A neat tool for your daily ham activities around the shack
[ Hits: 697 | Votes: 8 | Rating: 2.37 ]
- Scot's Guide to Electronics
Index of main electronics topics
[ Hits: 735 | Votes: 2 | Rating: 6.5 ]
- Simple anti-static device
With all the wire you have out you may run into a problem with static ...
[ Hits: 901 | Votes: 1 | Rating: 1 ]
- Simple Reverse Polarity Protection
This simple modification is applicable to pretty much any 12 volt operated positive earth equipment ...
[ Hits: 1648 | Votes: 0 | Rating: 0 ]
- Skin depth and Conductors
Article about shields Litz wire braid and skin depth It is still being expanded ...
[ Hits: 206 | Votes: 0 | Rating: 0 ]
- Soldering guide
Guide to soldering an desoldering
[ Hits: 868 | Votes: 3 | Rating: 9.33 ]
- Toroid Winding
Winding Toroids can be a real hassle for those of use who are left handed ...
[ Hits: 3617 | Votes: 5 | Rating: 7.8 ]
- Transformers
Description of what is a transformer and winding types
[ Hits: 340 | Votes: 1 | Rating: 10 ]
- Tubes 201
How Vacuum Tubes Really Work
[ Hits: 1349 | Votes: 2 | Rating: 9 ]
- Using Bipolar Transistors As Switches
While transistors have many uses one of the less known uses by amateurs is the ...
[ Hits: 330 | Votes: 0 | Rating: 0 ]
- Using ferrite for interference suppression
Excellent guide to using ferrite cores for interference suppression Understanding and Solving RF Interference and ...
[ Hits: 6168 | Votes: 6 | Rating: 9.5 ]
- Voltage protector/Fuse Assembly for 100-watt transceivers
A compact voltage protector/fuse assembly for 100-watt transceivers by AD5X
[ Hits: 1392 | Votes: 1 | Rating: 10 ]
- Voltage Regulator From Discrete Components
[ Hits: 1124 | Votes: 6 | Rating: 7.67 ]
- Winding Toroids
A Guide to safely wind toroidal cores by vu2fd
[ Hits: 2418 | Votes: 1 | Rating: 10 ]