basic components

Basic Balun Theory - Baluns are still a mystery to some radio amateurs and the only way to understand them is to learn what they are and how to use them.

Core Baluns - About core baluns, measurementes, basic theory and calculations

Antenna Matching Coil Adjustment Procedure - Without this basic knowledge, addressing antenna problems, RFI problems, and matching problems, results in a frustrating situation. Procedure which must be followed to properly adjust a shunt matching coil.

The EWE Antenna - Basic article on ewe antennas

Smith Chart Basics - Smith Chart it is a graphic tool for solving transmission lines problems

Antenna Matching  ^updated - Antennaa matching basics, matching input impedance, reactance vs. SWR, info on inductive matching and UNUN Matching systems. Capacitive Matching Odds & Ends by K0BG

Impedance Matching - Article by By David Knight and Nigel Williams on Impedance Matching, basic principles, popular matching networks, L-Network solutions, materials and components in impedance matching designs

HI-Z Antennas - HF receiving systems and components, band pass filters, array controllers, HI-Z pre amplifiers

RYMSA - The RYMSA Corporation designs, manufactures and distributes a wide range of sophisticated antennas and components for the telecommunications industry supplying technical solutions tailored to the needs of its clients around the world.

MegaPhase - MegaPhase designs, manufactures and sells coaxial cable assemblies to OEMs building advanced microwave and optical electronic systems, products include test cables, test adapters, flexible and semi-rigid cables used to connect system components inside a system, and coaxial connectors.

Vacuumschmelze - Manufactures inductive components for telecommunications and power electronics applications.

Taiyo Yuden - Ceramic capacitors, inductor ferrite products, high frequency dielectric components like chip antenna and filters.

Newark - Electronic components supplier w ith online shop

Enigma Component Shop - Electronic and RF components for the hobbyist

ICM Components - ICM Components is a company supplying Semiconductor & Passive Components, stocking most surface mount packages in I.C & Capacitors.

Ocean State Electronics - Electronics, antennas, components, test equipment dealer in USA

Mini Circuits - RF / IF Microwave components DC to 20 GHz

Jaycar Electronics - Jaycar electronics offers electronic kits, components, semiconductors, enclosures, batteries, PMR, transceivers, UHF CB Antennas

PExprt - Tool for magnetic component design and modeling. Design and modeling of magnetic components such as inductors, planar transformers and integrated magnetics used in power-electronics applications.

Proton Lite - Freeware PIC Programming software

Homebrew AZ/EL Rotor and controller - k06TH, AZ/EL controller built around a Basic Stamp-II.

Simbologia electronica - A large collection of electronic components symbols in spanis

Datasheet catalog - DatasheetCatalog.com is free an online datasheet source for electronic components and semiconductors from ST Sanyo KEC SONY Toshiba Motorola Texas Instruments, Panasonic, Microsemi, Maxim, Rohm, Fairchild, National Semiconductors and others

Ground Systems - Basic ground system functions, lightning and safety ground, RF return-path ground and induced ground currents

Basic RF Oscillator - A simple RF oscillator by Harry Lythall - SM0VPO