amplifiers

muTek Limited - Manufacturer of RF amplifiers, low noise pre amps, transverters, power supplies

Delta Sigma, Inc. - High Power RF Amplifiers by Delta Sigma, Inc

Booster 144 Mhz amps - Professional ham radio VHF amplifiers made in indonesia

King Conversions - Amplifier repair and conversion, specialize in converting HF amplifiers to operate as monoband amps on 50 MHz

TPL Com - VHF RF power amplifiers manufacturerr

Italy Amplifier - RF power amplifiers by Italy Amplifier

RF Power Amplifiers - RF Power develope, produce and sell high quality solid state RF Power linear amplifiers

HI-Z Antennas - HF receiving systems and components, band pass filters, array controllers, HI-Z pre amplifiers

Clifton Laboratories - Band Reject Filters, Bandpass Filter, Active Antennas, amplifiers and preamplifiers

1296 by KB2AH - Specialized 1296 Mhz Equipment, Circular Feeds, LNA, power amplifiers, Antenna systems, Test equipments, antenna mounting blocks

Eletec Broadcast - EB Broadcast provides Audio, Studio and Transmission Equipment, FM Transmitter, rf power amplifiers, audio processor for radio stations.

Hittite Microwave Corporation - Amplifiers, filters, attenuators, mixers, PLL, switches and frequency dividers, signal generators, power detectors, transimpedance amplifiers, variable gain amplifiers and more

Hilberling - Hilberling GmbH based in Rendsburg Germany manufacturer of HF VHF Transceivers, rf power amplifiers, power combines, RF generators, power supplies, Antenna Diplexers and Triplexers

HF Amplifiers comparison chart - Comparison table of most popular RF HF Power Amplifiers in the US market

FT-817 Automatic Band Select and Serial Interface - This project is an interface box for the Yaesu FT-817 that includes a band output port, a computer serial interface, and a remote interface for the FL-7000 solid state power amplifiers.

Marine Audio Direct - From marine stereo, to marine radio ,cellular amplifiers,cb radios, marine antenna and more marine radio products online shop

Class C Amplifier Matching - QST Article on what you should know about matching networks for class C RF power amplifiers

Nature of Source of Power in Amplifiers - On the Nature of the Source of Power in Class-B and -C RF A mplifiers by W2DU

Tube-type amplifier FAQs. - This page should help the less experienced users solve common problems and questions about HF tube-type amplifiers by Matt Erickson KK5DR

Harris linear amplifiers mods  ^updated - Harris linear amplifiers RF-353 and RF-355, full automatic amplifiers, 1.6 to 30 MHz How to use them without the Harris transceiver RT-1446 by F1FRV

Solid-state HF amplifiers - What makes a good solid-state amp ? by Adam Farson, VA7OJ/AB4OJ, May 2002

2 meters Power Amplifiers - Several 144 MHz Power Amplifier by YT1AR using GI7B GS31B GS35B GU34B

High power amplifiers by pass relays  ^updated - These relays are only to be used for output power who exceeds conventional antenna relays specifications.

A Potpourri of Audio Amplifiers - A collection of audio amplifier projects by N1HFX

Anatomy of a Loudspeaker - There are a number of important technical issues relating to the matching of speakers to amplifiers, and to the wiring of multiple speaker systems