uhf amplifiers

Slim Jim Antenna - Simple but effective antenna for VHF or UHF frequencies.

A Moxon for UHF - A moxon antenna for UHF in french

432Mhz Portable Quagi antenna - A Quagi antenna project with pictures and dimensions for a UHF Quagi antenna

Controlled impedance cheap VHF UHF Antennas - Cheap UHF antenna plans for 2 meters and up including 421 1296 and 902 Mhz by WA5VJB

Home made UHF Yagi Antennas - ON6MU Optimized 10 and 6 and 4 element UHF Yagi Antenna

HiZ-Antennas - High impedance amplifiers for shortened vertical antennas, Array matched and Optimized 15dB Preamplifier

Lunar Link Systems - VHF UHF Power amplifiers and accessories

I0JXX - The I0JXX is an italian company that offers market their projects, also sells electronic products of high quality, both for Ham, both Broadcast and their accessories. VHF Antennas, mosfet power amplifiers, filters, insulators, power dividers, telescopic poles, antenna masts

Microset - Power supplies, rf power amplifiers, dummy loads, frequency counters, repeaters antennas manufacturer based in Italy

QHtenna - The QHtenna Turnstyle antenna system offers horizontal omni-directional antennas for the Ham frequencies in the VHF/UHF range of 50 Mhz to 432 Mhz. The Crossed Field Antenna" (CFA) by QHtenna offers a small antenna for limited space, maritime mobile, and seasonal DX work.

F9FT - AFT Antennas  ^updated - The radio-amateur antennas made by AFT (formerly Antennes Tonna, later Tonna Electronique division Antennes) are the result of more than 50 years of passion and experiments. Maker of VHF and UHF antennas, cover bands from 6 meters to 13 centimeters

N2HLT UHF Repeater System - N2HLT UHF multi linked repeater system serving the Finger Lakes area of Western New York State, Central New York and the Northern Tier of Central PA.

13cm.co.uk - Amateur Television products, online store for ATV transmitters receivers, LCD controllers, wireless cameras, video senders, accessories, power amplifiers based in UK

LAM Communications - Icom Kenwood Yaesu MyDel dealer, offer a wide range of ham radio products, transceivers, antennas, rotators, microphonrs, aerials, dummy loads, rf amplifiers and scanners based in UK

Specialist Antennas - Antenna products and accessories for commercial, industrial, Emergency Service and military applications covering VHF, UHF, TETRA, ISM and GSM frequencies and beyond.

Tecno Comunicazioni - Italian ham radio dealer, accessories for transceivers, scanners and receivers, antennas, amplifiers, tuners and more

Prestigecom - Australian dealer for UHF CB radios, Amateur Radio HF VHF Radios, GPS navigation systems, two-way radio, cordless telephones, radar detectors, marine electronics, amateur radio gear and many other consumer electronic products.

9A VHF Contest software - 9A VHF Contest - software for vhf/uhf and up for contest logging. For now on 3 laguages: Croatian, English and Polish.

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 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.

Diplexer for 2m and 70 cm - Schematics of a homebrewed diplexer for VHF and UHF in german

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.

Hybrid Synthesizer for UHF and microwave - A versatile hybrid synthesizer for UHF and Microwave Projects