diy power supply

Tenna Dipper Kit - The "Tenna Dipper" is a low power antenna analyzer and ATU tuning aid. With this handy accessory, you can determine the 50 Ohm resonance frequency of antennas or you can adjust your antenna tuner for a 50 Ohm match without generating QRM

Balun measuements - Why can't you find the specifications for the baluns on the market? The only specifications you'll see are the ratio, the power rating and a bandwidth that is more hoped for than reality.

Antenna Transmission Line Power Splitters - Several ways of splitting power to feed two like (50 ohm terminal impedance) antennas.

RMS power - How it's misused and misunderstood, and why it's not useful.

Sunlight Energy Systems - Sunlight Energy Systems provides charge solar controllers and power supply products for amateur radio applications and solar panels usage

Bear Electronics Amplifiers - Manufacturer of big power amplifiers

Electronika International Inc - Electronika International Inc, Cleveland, OHIO manufacturers wide range of Coaxial Cable Assembly, Coaxial Connectors & Adapters, Power Dividers, Attenuators, Coaxial Switches, Amplifiers, Fiber Optic cords, Bias TEE, Isolator & Circulator and other products

Impulse Electronics - Power connectors, power cables, coax cables, wires, batteries fuses and holders and tools

Anderson Power Products - Electrical power connectors

microHAM - Supply high quality accessories for your ham shack, including Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed for the SO2R operator, USB Interfaces, Digital Mode Interfaces, Keyers and many others

Saratoga ham radio products - Saratogaham.com brings you the latest product news and information about saratoga amateur radio products, Power meters, power panels and PSK radio to pc interfaces

Mayberrys power equipment - Outdoor power equipment, reseller of Honda Generators

Watts Unlimited - Engineering Solutions for Unique Problems. Manufacturer of high Voltage, high Current, high Power Power Supply

Wilderness Radio - The only source for kits aimed specifically at the outdoor QRP enthusiast. These kits, field-tested by members of the NorCal QRP Club, represent the state of the art in portability, low power consumption, high performance, and flexibility.

Jetstream - Antennas, base mobile scanner and vhf antenna, coax cables, coax switch, Lightning Arrestor, mounts, power supply, speakers and wattmeters

W6JOE's Power Box - This is W6JOE's description of a battery box installation for an HF Mobile rig, which followed a number of messages on the subject on the Mobile - Portable mailing list. Interesting batteries setup.

Batteries America - Batteries for all your portable power needs.

Memphis Amateur Electronics, Inc. - New and used ham radio equipment supplier. we carry hundreds of ham radio products including amateur radios from alinco, icom, kenwood, and yaesu, plus ham radio products from mfj, ldg, diamond antennas, hustler, ameritron, astron power supplies, and books .

ACK parts - Industrial and Commercial Parts Supply Since 1946

Build An Audio Speech Processor - When one operates at low power on SSB, speech processing becomes almost essential to get through the QRM. The circuit is a low cost speech processor that will perform well with a minimum of construction effort.

Technical resources for design engineers using batteries and power supplies. - Resources for custom battery chargers and power supplies from powerstream

Car and Deep Cycle Battery FAQs - Car and deep cycle battery answers to Frequently Asked Questions (FAQs), tips, manufacturer's information, references and hyperlinks are contained on this consumer oriented Web site about car, motorcycle, power sports, truck, boat, marine, recreational vehicle, solar, and other starting and deep cycle applications.

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.

5 Watt 40 Meters transmitter - This circuit is unique in that it uses a power mosfet as a final rather than a conventional bipolar transistor.

Low-Power Transceiver Kits You Can Build - A Comprehensive roundup of the most popular QRP transceiver kits on the market in recent years in PDF format