hv power supply

W8HVG/R Independent Repeater Association - Independent repeater association. ham radio linked repeater system in michigan

Sunelco - Solar and wind energy products, Water Pumping, Hydro power solution, chargers inverters, batteries, Hydrogen Fuel Cells

Southwest Windpower - Producer of small wind generators and renewable wind energy products

United Solar Ovonic - Leader in building rooftop photovoltaics and other solar power products. Manufacturer of thin-film solar laminates UNI-Solar

SOL-Lite Mfg. Ltd - Consumer solar power products, portable solar panels maker, Solar Mini Panels & Control Electronics.

Lunar Link Systems - VHF UHF Power amplifiers and accessories

BG Micro - All kind of electronic components, Hobby Electronics and Parts, motors, Sun power solar panels, switches, rechargeable batteries, RF Coils, Coils and Chokes

Astrodyne - Dedicated to the design, manufacturing, technical support, and delivery of innovative and cost effective power solutions for worldwide applications. AC/DC switching power supplies and DC/DC converters.

KD1JV Designs - QRP Kits and Projects for the low power Amateur Radio enthusiast

The KA7OEI FT-817 pages - FT-817 Radio Modifications, Improving the FT-817 Noise Blanker, increasing output power, using rechargeable cells, epanding frequency range

Solar Panel Store - Focus on solar power products that function in the harshest environments, designed for years of reliable service.

AEE Solar - Wholesale distributor of alternative power products, solar panels

Herbach & Rademan - Pioneer supplier in the radio parts field, and electronic components, alternative power products, kits, test equipment and computer components.

Advanced Energy Group Store - Portable solar power products and other solar and wind energy equipment

Alliance Test Equipment - Alliance Test buys and sells used network analyzers, spectrum analyzers, function generators, mulitmeters, probes, optical power meters, calibrators, attenuators, testers, and more from Tektronix, Fluke, Rhode & Schwarz, Advantest, LeCroy, Fujikura, California Instruments, NetTest, Keithley, Actrena / TCC, Instek

MetricTest - New and used test equipment, oscilloscope, spectrum analyzers, multimeters, signal generators, power supplies, network and signal analyzers and more

ARRL Emergency Power - Using portable generators during emergencies or at field day site, using batteries and how to recharge them, using solar panels.

Enable Low Cost RF Power Amplifiers - A new paradigm for low cost, reliable RF amplifier ‘pallets’ has been enabled by new circuit design, manufacturing and thermal management techniques

Highly linear rf power amplifier design - The need of high linearity is one of the principal drivers in the design of power amplifiers for new generation applications

Desgin Power amplifiers with Genesys - Article on how use Genesys sowftware to design RF power amplifiers

Power Aamps RF voltages - This test circuit is easy to duplicate, and demonstrates the extreme voltages that appear in an amplifier when the load is improper for the amount of drive power applied.

Power Gride Tubes - Article on tubes and their usage in power amplifiers design. Explain failures of tube in RF power amplifiers, a common problem in the SB-220 SB-221, TL-922 and other amplifiers.

144 MHz PA with MRF317 - A 2 meter power amplifier

Remote antenna switch - A remote antenna change-over switching using relay powered over the coaxial feeder

Tools and Links for RF Power Amplifier Builders - This document lists a few tools, documents and websites which are valuable in the design and construction of amateur RF power amplifiers. The list is small but it represents a good starting point for the amateur amplifier builder.