amplifiers

HF-series Power Amplifier - Manufacture HF-serie power amplifiers for global radio amateurs. Provide two models: manual HF2000DX and automatic HF2011DX-A

GB Hardware & Software - HF Linear Amplifiers, maker of the HAL600 Atlantic atomatic HF Amplifier

Kronotek  ^new - European manufacturer of transverters for VHF and microwaves bands, transverters and amplifiers for 4 m, 23 cm, 13 cm and 3 cm bands. We have articles for 4 m, 23 cm, 13 cm and 3 cm bands.

HF Projects Kits  ^new - Provide service, quality home construction projects, travel antennas, masts and bases, hf and vhf amplifiers, low pass filters and z-match tuners

Fox Tango Yaesu Amplifiers page - A page dedicated to Yaesu FL series RF Amplifiers, from FL-2100 to FL-2000 FL-2500 FL-1000

RF Amplifiers Reviews  ^new - A complete HF power amplifiers reviews by Matt Erickson KK5DR. Each amplifier is rated with a vote and a short comment.

Using VNA to adjust Linear amplifiers  ^updated - Linear amplifiers cold adjustments with network analyser (VNA)

Arcing or Gassy 572B Tube - Common problems of the 572B tubes often used in many RF Power Amplifiers