amplifiers 2m

YU7EF Pop 6 & 7 Elements antenna - YU7EF Pop 6 elm for 50Mhz and 7elm for 70Mhz, a 4+6m douband with 12mm Alu tubing

432MHz Moxon Antenna - Contesting for beginners with a bent coat hanger! A moxon antenna project for 70cm band.

2m Pocket Beam - The 2m portable pocket beam, a small 2 element yagi antenna by GW0VMW

VHF antennas, construction and use - Article by VU2GT about VHF antennas, how to evaluate performances and models.

3 element portable Yagi for 2 meters - The I DX 3 Element Portable Yagi for 2m by MW0IDX

Yagi Beams at VK2BA - 6 Metre array 7 elements on 12M boom, 10 metre aray - 5 elements on 7M boom, 29MHz, 6el yagi

T32 line DX logs - T32 DX peditions logs, T32CI T32MI T32SI T32VI

The 520er's of Southeast Texas - The site for South East Texas 2m Amateur Radio Come and join us on 146.520 each and every day and night. There is always someone around, a great friendly bunch to boot.

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

Emtron - HF Linear amplifiers and power supplies manufacturer

Lunar Link Systems - VHF UHF Power amplifiers and accessories

DK9SQ Antennen - Walter Spieth Antennen offer, Duoband-Portable-Log. Periodic 2m/70cm, Vertical-Loop-Antenna,10-40 Meter and PortableW3DZZ-Antenna as well as fiberglass tubes

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

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

Cupeles Electronics LLC - Two way radio communication services for Kenwood Icom Yaesu radio and ameritron drake cliperton henry heathkit amp yaesu kenwood linear amplifiers based in Harrisburg, PA by WB3M

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.

Building High Power Amplifiers - SM5BSZ article on building VHF RF amplifiers

Building of CU 4m Beacon CU8DUB/b - Beacon is based on a old 4m Storno CQF632 from PA who OZ2M got in Weinheim

Diplexer 2m 70cm - This DIPLEXER separates 2m from 70cm on the same coax cable, and allows to use 2 antennas over the same cable and permits transmission on one band and simultaneous receiption on the other band by hb9abx

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.