battery circuits

Build An LF Antenna Analyzer - A Portable Low Frequency Antenna Analyzer, For those of us who like to play with antennas on the ham bands, one of the handiest tools to have around the shack is an "antenna analyzer". These gadgets combine a signal generator and standing-wave ratio (SWR) sensor in a small battery-powered unit.

Antenna system in a shopping trolley wally - Multiband portable antenna system edited by Andy Foad G0FTD, consisting of an old cb antenna with it's 27Mhz matching coil, an antenna tuner, car battery and a transceiver

A & A Engineering - Smart Battery Chargers, WeatherFAX, Color SSTV,GPS-Based Frequency Standard, Power/SWR Meter, , Digital Frequency Synthesizers

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.

Aventrade - Radio battery store with online catalog, Yuasa Battery, NiMH Battery, UPS Battery, BB Battery, Luxeon LED Flashlight, Charger, Battery Pack, Battery Adapter, APC Battery, LED Flashlight, CR123A, Rechargeable Battery

W&W Batteries manufacturer - U.s.a. manufacturer of replacement radio batteries, battery packs, inserts, chargers, analyzers, and battery eliminators for the public safety, land mobile, amateur radio and cellular phone industry.

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

Yaesu FT-857 description - The FT-857, the world's smallest HF/VHF/UHF mobile transceiver, provides base station-type performance from an ultra-compact package that's ideal for mobile or external battery portable work.

Ft-897 battery modification - Battery modification for the Yaesu FT-897 by stephen Reynolds W4CNG

Yaesu FNB-78 battery for FT-897 - The Yaesu FNB-78 Battery plugs into the FT-897/D. It produces 13.2 VDC at 4500 mAh. The radio can hold one or two and one can be in use while the other is charging.

Batteries and gadgets - Your source for weather radios, communication headsets, 14 channel radios, M&M groovy radios, smithsonian crystal radio and weather station kits, line restrictors, antennas,ham radio accessories, and battery products.

TNR Technical, Inc. - Batteries online store

NiCad Lady - Radio Battery - The NiCd Lady Company has been in the business of assembly and distribution of batteries since 1994, supplying government, industry and retail with a wide variety of batteries, and production of assembled products.

The Battery Station - Lithium Lead NiMH NiCad Ion batteries

Battery Connection - Batteries and chargers

CutRate Batteries - CutRate Batteries supplies fully compatible, after market battery packs for two-way radios and barcode scanners. Our products are guaranteed to work with Motorola, Kenwood, Yaesu, Vertex, Icom, Telxon, Intermec, LXE and PSC two-way radios and barcode scanners.

BatterySpace.com - Batteries dealer in USA

Batterytech - Buy nimh, ncicad, and li-ion batteries, chargers, and analyzers for laptops, pdas, digital cameras, cellular phones, nextel radios, hand held scanners, and eliminators

Lteck Batteries - Two Way Radio Batteries, Rechargeable Batteries, Radio Batteries, Battery Chargers, factory direct with lowest prices available!

NTX Communications - Communications Equipment and Accessories dealer for Icom,Kenwood,Yaesu,Maha,Maxrad,DB Products,Larsen,Pryme,Premier,Times Microwave,Battery Tech,Maxon,Cobra,Handspring

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.

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