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Electronics
Electronic & Radio Theory
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- Do You Need an Antenna Tuner
- Maybe yes, maybe no. It all depends on the type of antenna and feed line you're using. QST Article in pdf format
- Install a PL-259 on an RG-8X
- A better way to install PL-259 connectors on RG-8X type coax by Dan Richardson, K6MHE
- Ferrite information
- Ferrite Toroidal Cores, Magnetic Properties of Ferrite Materials, EMI - RFI Suppression
Design Considerations, Ferrite Beads, Ferrites for RFI Ferrite Cores for RFI Suppression
by CWS ByteMark
- Transceiver tutorial
- Functional SSB/CW transceiver building blocks with circuits. Equations and design explanations with references.
- Electronic symbols
- Analog digital symbols, identification of components, units and conversi¥n tables for electronics circuits design
- Understanding Standing Wave Ratios SWR
- We worry a lot about Standing Wave Ratio (SWR) in amateur radio since SWR is one indication of how well our antenna system is working. Most HF transceivers and antenna tuners have built in SWR meters. SWR is a measure of a transceiver’s output power verses the portion of that power reflected by the antenna system By Ken Larson KJ6RZ
- Radio and Electronics School
- Leran about Ham Radio and electronics, get your licence and learn morse code
Alphabetical
- 10 Amp 13.8 Volt Power Supply
- Sometimes amateurs like to home-brew their power supplies instead of purchasing one off the shelf at any of the major ham radio retail dealers.
[Hits: 659 | Votes: 0 | Rating: 0.00] - A cheap noise reducing speaker
- Noise Reduction on the Cheap
[Hits: 605 | Votes: 0 | Rating: 0.00] - A Modern Thermocouple Ammeter
- Thermocouple ammeters are very rare these days, but the job they were perfect for - measuring antenna currents - is still a modern requirement especially in respect to groundplane currents. By David A. Reid PA3HBB G0BZF
[Hits: 708 | Votes: 0 | Rating: 0.00] - Delabs technologies Product Design and Engineering
- Around 200 electronic circuits in pdf format or images, There are also over 1000 links to useful electronics, freeware, open source websites.
There are some 100 useful documents, software and pcbs too. Mainly industrial electronics, instrumentation. Covers Various aspects of electronics and basics of circuit design.
[Hits: 164 | Votes: 0 | Rating: 0.00] - Do You Need an Antenna Tuner
- Maybe yes, maybe no. It all depends on the type of antenna and feed line you're using. QST Article in pdf format
[Hits: 5460 | Votes: 5 | Rating: 5.20] - Electromagnetic Radiation Explained
- by Jim Hawkins - WA2WHV How Radio Waves Are Born
[Hits: 456 | Votes: 1 | Rating: 9.00] - Electronic Construction Tutorial
- Everything you wanted to know about building stuff but were afraid to ask."
This series was originally published in "73 Amateur Radio" between November 1997 and February 1998
[Hits: 836 | Votes: 3 | Rating: 5.67] - Electronic symbols
- Analog digital symbols, identification of components, units and conversi¥n tables for electronics circuits design
[Hits: 3333 | Votes: 66 | Rating: 4.96] - Electronics and Radio Today
updated
- Electronics and Radio Today for electronics and radio information, projects parctical information and introductory articles. Especially useful for those taking GCSE Electronics in the UK and around the world.
[Hits: 337 | Votes: 45 | Rating: 6.41] - Electronics Symbols
- Over 400 electronic symbols explained, in spanish
[Hits: 1972 | Votes: 34 | Rating: 4.86] - Ferrite information
- Ferrite Toroidal Cores, Magnetic Properties of Ferrite Materials, EMI - RFI Suppression
Design Considerations, Ferrite Beads, Ferrites for RFI Ferrite Cores for RFI Suppression
by CWS ByteMark
[Hits: 3782 | Votes: 1 | Rating: 10.00] - Ferrite on Reducing RFI
- Using ferrite to reduce radio frequency interference with your PC monitor or antennas with your receivers or transceivers.
[Hits: 876 | Votes: 0 | Rating: 0.00] - How Radio Works
- Excellent slides explaining radio and radiowaves generation basics
[Hits: 723 | Votes: 0 | Rating: 0.00] - Install a PL-259 on an RG-8X
- A better way to install PL-259 connectors on RG-8X type coax by Dan Richardson, K6MHE
[Hits: 5307 | Votes: 6 | Rating: 7.50] - Introduction to spectrum analyzer
- Explains the fundamentals of swept-tuned, super heterodyne spectrum analyzers and discusses the latest advances.
[Hits: 516 | Votes: 3 | Rating: 4.33] - JavaScript Electronic Notebook, K7MEM
- It consists of a group of JavaScript® driven web pages that are intended for use as a quick reference for Ham Radio operators or just anyone interested in electronics. Offer calculators for Resistors, capacitors, inductors, power supplies, filters, attenuators and antennas
[Hits: 705 | Votes: 3 | Rating: 9.67] - Making PCBs
- Tips on making PCB
[Hits: 49 | Votes: 0 | Rating: 0.00] - Making printed circuits
- To make smart looking PCB's, all you need is a computer, a laser printer, copper clad board, etchant, a clothes iron and some Epson glossy photo paper.
[Hits: 214 | Votes: 1 | Rating: 6.00] - Negative feedback output circuit
- Negative feedback is often referred to as shunt feedback in conjunction with emitter degeneration.
[Hits: 239 | Votes: 0 | Rating: 0.00] - Precision Frequency Enthusiasts
- Frequency measurement for beginners, technical terms related to frequency measurement and accuracy, techniques and calibrating procedures.
[Hits: 223 | Votes: 1 | Rating: 10.00] - Radio and Electronics School
- Leran about Ham Radio and electronics, get your licence and learn morse code
[Hits: 1979 | Votes: 19 | Rating: 8.73] - Radio-Electronics.Com
- Information and tutorials about all aspects of radio and electronics including propagation, ham radio, electronics, radio history, etc
[Hits: 651 | Votes: 6 | Rating: 7.50] - Recovering parts from surplus
- What electronic parts you can recover from
PC monitor, VCR, CD-ROM, FDD, HDD ,
Laptop, Motherboard, SmartCard reader or Printer
[Hits: 313 | Votes: 0 | Rating: 0.00] - Rf probe
- A sensitive RF probe is very useful in a situation where an oscilloscope is not available
[Hits: 1406 | Votes: 1 | Rating: 7.00] - Scot's Guide to Electronics
- Index of main electronics topics
[Hits: 91 | Votes: 0 | Rating: 0.00] - Simple anti-static device
- With all the wire you have out, you may run into a problem with static buildup on the antennas. This static may try to make its way into your receiver, causing you major problems and damage that can run into a lot of money.
[Hits: 179 | Votes: 1 | Rating: 1.00] - Simple Reverse Polarity Protection
- This simple modification is applicable to pretty much any 12 volt operated, positive earth equipment. by Chris Cox, N0UK, G4JEC
[Hits: 435 | Votes: 0 | Rating: 0.00] - Soldering guide
- Guide to soldering an desoldering
[Hits: 258 | Votes: 2 | Rating: 9.00] - The Oscilloscope
- What is an oscilloscope, what can you do with it, and how does it work? This section answers these fundamental questions.
[Hits: 67 | Votes: 1 | Rating: 10.00] - Tomi Engdahl's electronics info page
- Large list of technical notes on various electronic components, and related links.
[Hits: 1225 | Votes: 4 | Rating: 10.00] - Toroid Winding
- Winding Toroids can be a real hassle for those of use who are left-handed or not so dexterous as we once were.
[Hits: 1052 | Votes: 0 | Rating: 0.00] - Transceiver tutorial
- Functional SSB/CW transceiver building blocks with circuits. Equations and design explanations with references.
[Hits: 3555 | Votes: 19 | Rating: 5.20] - Transistor Specifications
- Transistor Specifications, ``RF Power Mosfets ¹ HF VHF transistors
[Hits: 1816 | Votes: 13 | Rating: 5.23] - Tubes 201
- How Vacuum Tubes Really Work
[Hits: 251 | Votes: 1 | Rating: 8.00] - Understanding Standing Wave Ratios SWR
- We worry a lot about Standing Wave Ratio (SWR) in amateur radio since SWR is one indication of how well our antenna system is working. Most HF transceivers and antenna tuners have built in SWR meters. SWR is a measure of a transceiver’s output power verses the portion of that power reflected by the antenna system By Ken Larson KJ6RZ
[Hits: 2431 | Votes: 3 | Rating: 6.33] - Using ferrite for interference suppression
- Excellent guide to using ferrite cores for interference suppression.
Understanding and Solving RF Interference and Noise Problems by Jim Brown K9YC Audio Systems Group, Inc. PDF File
[Hits: 620 | Votes: 1 | Rating: 10.00] - Voltage Regulator From Discrete Components
[Hits: 356 | Votes: 2 | Rating: 9.00] - Winding Toroids
- A Guide to safely wind toroidal cores by vu2fd
[Hits: 74 | Votes: 0 | Rating: 0.00]
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