circuits diagrams

A Magnetic Loop Antenna for Shortwave Listening (SWL) by KR1ST - A well documented plan to build a magnetic loop antenna for Shortwave Listening, includes photos and diagrams.

Small magnetic receiving loops - Article about magnetic loops, construction notes and diagrams

F5KEE Quagi 8 elements - An 8 element quagi antenna for 2 meters band, with pictures and diagrams, in french

Optimizing Inductors - While intended mainly for antenna loading coils, this article also applies to other resonant systems, such as amplifier tank circuits.

Geloso story - Includes some schematic diagrams

Fun With Tubes - A noncommercial site operated by Max Robinson and dedicated to passing on and preserving knowledge of vacuum tube circuits and techniques.

Antique Radio Schematics and Capacitors for Tube Radios - Specializes in antique radio schematics and capacitors. carries antique radio schematic diagrams and electronic circuit service information for american, canadian and european antique radios.

Atwater Kent Home Page - This is a "techie" site, dedicated to presenting service manuals, parts lists, schematic diagrams and other information of value to restorers and technicians who try to keep these radios working

Canadian Antique Radios Schematics Diagrams Service - We specialize in canadian antique radio schematics for vintage tube radios made in canada. we carry lots of factory electronic circuit schematic diagrams as well as all rcc / radio college of canada service data 1920's - 70's.

Intuitive Circuits, LLC. - Intuitive circuit llc is a market leader in dtmf encoders and decoders, cash register surveillance, cash register security, and text inserter products. Amateur televisions ATV products

Far Circuits - Printed Circuit Boards - FAR Circuits is exclusively a manufacturer of Printed Circuit Boards for electronic projects that are used by the Amateur Radio and electronic hobby enthusias

Sunstone Circuits Priority listing - Sunstone Circuits is your easiest source for quoting and ordering printed circuit boards online. We are three respected brands in one: PCBexpress quickturn boards, PCBpro.com full-featured and design-checked boards, and PCB123 design software.

6m technical docuemnts - A collection of scanned diagrams and designs, documents and modifications for 50 Mhz ham radio equipment

Far circuits - Direction finding projects, useful tools for t-hunting operations

Smith Chart Software - SimSmith is a highly interactive, real time Smith chart graphing program. Circuits are constructed using drag-n-drop. Load files can be imported from the EZNEC and CocoaNEC antenna simulation software and from the AIM4170 and miniVNApro antenna analyzers. Circuits and load files can be of any size. Key Features: SimSmith is one of the few Smith chart packages which models transmission line losses. SimSmith also allows the description of circuit elements using algebraic equations. SimSmith has only one screen and allows the screen to be resized to increase workspace or readability.

HL1INF RF Amplifiers - Circuits, pictures and data about toroids, tubes and home made power amplifiers

IK5MEN HF amplifier 10-160m. - Italian page including pictures schematics diagrams of an home made linear amplifier using four EL509 in parallel. Output power is about 700W.

Cobra Radios Service info - Service information, manuals, diagrams pictures and schematics, and technical files on Cobra Radios

DigChip IC database - DigChip is a provider of integrated circuits documentation search engine, it's also distributor agent between buyers and distributors excess inventory stock.

DigChip IC database - Provider of electronic components documentation. Offer a reliable tool to find semiconductors components technical information like parts, datasheets, cross reference, obsolete and new circuits.

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.

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.

Bowden's Hobby Circuits - A small collection of electronic circuits for the hobbyist or student. Site includes over 100 circuit diagrams, links to related sites, commercial kits and projects, newsgroups and educational areas. Most of the circuits can be built with common components available from Radio Shack or salvaged from scrap electronic equipment

Portable PSK Station - Color photos, schematic and diagrams for an article written by N2APB for Fall 2000 QRPp. Also the subject of a presentation made at the Pacificon QRP Forum in October 2000.An Integrated and Portable PSK Station for 80 & 20 without using a PC!

Ham.dmz.ro  ^pop - Programming software, diagrams, radio mods, secrets, service manuals for Motorola, Yaesu, Kenwood, Icom, Alinco.