daiwa amplifier

Receiving antenna for low bands  ^pop - K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter

M.V.S.Z AO Svetlana - Audio hi-end tubes for amplifier

VE - Canada - PEI DX LODGE - Prince Edward Island. The PEI DX Lodge offers a turnkey operation from a custom designed shack featuring state of the art transceivers/amplifiers, etc. and the ultimate in antennas on every band.

LNA Technology - LNA Technology High Performance Low Noise Preamplifiers for Amateur Radio, VHF-UHF weak signal, DX, EME, and commercial applications.

HA1YA Mechanics & Electronics Inc. - Specializes in manufacture of middle and high power RF decks and high quality linear amplifiers with metall ceramic tubes for HF, 6m, 2m and 70 cm bands. Transverters, power supplies and control units

Discovery Power Amplifiers - The Discovery series of amplifiers are designed and built in the UK by Linear Amp UK Ltd, one of the world’s leading amplifier manufacturers, specializing in high power RF tube amplifiers. The amplifiers use large GS31 or GS35 ceramic triode tubes. Band coverage 6m, 2m and 70 cms

Intruder Amplifiers - Poewer amplifiers for 10m band. Also dealer for Galaxy, Connex, Magnum, Cobra, Browning, and others

Comtechpst.com - High Power RF Amps - Comtech PST offers solid-state power amplifiers in frequency ranges from 1 MHz through 3.6 GHz, with output power levels ranging from 5 watts to over 30 kW

DanAmps - Danish Amplifiers for Hams - HF and VHF RF Power amplifiers for ham radio use

The Caltech Radio Frequency and Microwave Group - Develop microwave amplifiers and related products

Tomco RF Amplifiers - Rf amplifiers for commercial, industrial and scientific applications

Ameritron manuals - Manuals section for the Ameritron HF amplifiers mostly in PDF format

TS-850S Amplifier Interface - An interface for amplifier to TS-850S

Alpha Amplifier Upgrades - Alpha 77D,DX,SX, Alpha 76, Alpha 78 and 374 repair service and upgrade kits

Modifications to the Ameritron AL-1200 Amplifier - This page describes two modifications W8WWV made to his AL-1200 amplifier. The mods were obtained from Ameritron, so they are official.

AM-6154 FAA Amplifier circuit conversion - AM-6154 222MHz grid Conversion Information by N0UK

Easy Kilowatt Linear Amplifier  ^pop - Rf amplifier for hf ham radio service - includes easy to understand designs and penny-cheap construction details

YU1AW HF Power Amps - 2xGU84B and 1xGS31B hf power amplifier plans

Homebrewing a tube-type HF amp. - This article discuss the use and construction of a grounded-grid, triode type HF amplifiers

Homebrew HF Amp with 3CX3000F7 - Grounded grid triode HF linear amplifier with pictures and schematics diagrams by W2DTC. The amp design was for 160 80 40 and 20 meters

A LF power amplifier - A Low Frequency (LF) RF Power Amplifier by VK5BR it operates in a linear mode and can handle CW, AM and SSB.

I5UXJ home made amplifiers - Infomration schematics and pictures about various hf and vhf QRO linear amplifiers

AM6155 / 64 modifications - KF0M's mods for the AM6155 AM6154 RF amplifier

Six-Meter Linear Amplifier - This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h.f. amplfier. Power output is 800W

SV1BSX Homebrew Corner - Offer a wide range of homebrewing projects mainly for VHF UHF operations. From vhf antennas to preamplifiers, chargers and power supplies