spectrum amplifier

Optimizing Inductors - While intended mainly for antenna loading coils, this article also applies to other resonant systems, such as amplifier tank circuits.

Harbach Electronics - Your world-wide source for Heathkit, Drake, Collins and Dentron amplifier parts & upgrade kits

USA frequency allocations - The radio spectrum in usa, PDF File representing the united stares frequency allocations in graphical mode, by NTIA

RF Electronics - 500 W, KW and 6M ham radio amplifier kits for export

BEKO Elektronik - VHF power amplifiers made in germany

RFAC Solutions - RF Connectors Cable Assembly Attenuators Filters High Power VHF Amplifiers, Adapters MMCX MCX SMA SMB SMC BNC TNC N from RFAC Solutions

WiNRADiO Communications - WiNRADiO Communications manufacture radio communications equipment for a very wide range of applications. Our customers include professional communications radio users in government, military, security, surveillance, spectrum monitoring organizations, telecommunications, industry, as well as radio and computer enthusiasts.

Electronika International Inc - Electronika International Inc, Cleveland, OHIO manufacturers wide range of Coaxial Cable Assembly, Coaxial Connectors & Adapters, Power Dividers, Attenuators, Coaxial Switches, Amplifiers, Fiber Optic cords, Bias TEE, Isolator & Circulator and other products

Communication Concepts, Inc. - Provide components to the amateur who wants to construct their own gear and to the professional who wants to save money and time in prototyping their circuit design, Filters, HF Amplifiers, Splitter Combiners, VHF Amplifiers, ATV

Alpha Linear Amplifiers  ^pop - RF Concepts manufacturer of Alpha Linear Amplifiers, amateur radio RF power amplifiers, commercial power amplifiers, power meters and dummy loads.

Canada, radio spectrum allocations - Graphical maps of radio spectrum and frequency allocations in canada

PTT line interface for ICOM IC-706 family - Interfacing tips for ICOM IC-706MKII transceiver with a Collins 30L-1 linear amplifier

Automatic Amplifier Selection - Automatic Amplifier Selection for the ICOM IC-746, 736 and 706MKII Transceivers.

Qsk keying for yaesu radios - QSK amplifier keying circuit for Yaesu FT-1000MP, FT-1000MP Mk-V, FT-1000/1000D and FT-920

Yaesu VL-1000 amplifier - The Yaesu VL-1000 Quadra HF Linear amplifier

Reimesch - Ham radio dealer based in germany offer RF power amplifiers, from Alpin and SPE, antennas, RFI suppression products and GSM GPRS products

N4ATS.com - N4ATS - Devoted to the Yaesu FL-7000 Amplifier. I have been rebuilding, repairing, and applying modifications to the Yaesu FL-7000 amplifier for 15 years. Over 200 units completed and counting!

ALA Amplifiers - Canadian dealer for many RF Amplifier brands

RadioLabs - Radio, Wireless and Beyond - Specialize in engineering, design and repair of all rf equipment. Dealer for two way radios, scanners, shortwave radios, wi-fi antennas, wifi amplifiers. Based in Fortuna, California.

Duncan's Amp Pages - This is an internet resource for those interested in guitar amplifiers, vacuum tubes, and design tools such as SPICE modelling.

Ameritron AL-80A modification - W7TDC modification of the Ameritron AL-80A power amplifier

Build an HF Linear Amp  ^pop - Hombrew project to build an HF linear amplifier whose output is 210W for 16W of drive on 80M and max output is 300W.

10 W Linear Amplifier - This article describes a 10 watt linear amplifier that is capable of delivering over 15 watts into 50 ohms and uses cheap plastic transistors that are used in CB equipment. by Harry Lythall - SM0VPO

The hunter six amplifier review - Review by Clive Davies, G4FV

Hombrewing an HF Transceiver - This page will describe the construction of a multi band SSB transceiver with all its components Band Pass Filter, Oscillator/Modulator unit, RX/TX Mixer TX Amp I.F. Amplifier AGC VFO Driver amplifier Receive audio amplifier Final amplifier Low pass filter Digital display and VFO stabiliser