2.45 amplifiers

JH5LUZ Blog - 1296Mhz EME Station from Japan, includes eme amplifiers pictures

Photos of amplifiers - Dave made pictures of amplifiers

J-Tec - Ham Radio products, Antenna Switches, Receiver Preamplifiers, Preamps

SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.

Bear Electronics Amplifiers - Manufacturer of big power amplifiers

SPE Amplifiers - SPE Makers of RF power amplifiers like Expert 1K-FA Expert 2K-FA

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

House Of Tubes - High-quality brand name tubes ideal for use in audio amplifiers and ham radio equipment at low prices, including used and hard to find tubes.

SB-220 SB-221 Heathkit Amplifiers - SB-220 or SB-221 Heathkit Amp Using Eimac's 3-500Z - K0GKD

QSK for the TL-922 and SB-220 mods - Beautifully constructed amplifiers. Unfortunately, are not suited for high speed T-R switching, a necessary attribute for operating AMTOR, QSK-CW, or SSB-VOX modes.

HL1INF RF Amplifiers - Circuits, pictures and data about toroids, tubes and home made power amplifiers

GM3WOJ Amplifiers page - HF and VHF amplifiers homebrewed by GM3WOJ

AG6K Richard L. Measures - Articles and original manuscripts on RF power amplifiers

JA3MHV Amplifiers - 4CX1000A x2 AB1GG Power Amplifier, 21MHz 15W and 3.5/7MHz 20W SSB Transceiver by JA3MHV, 50/144/435MHz 80W Linear Amplifier

Adding 160M to HF amplifiers - updated original manuscript, article published in January 1989 QST by Richard L. Measures, AG6K, April 1988

HF Tetrode Linear Amplifiers - I4FAF etrode Tube Linear Amplifier experience

4CX1500 - This is a 4CX1500B grid driven amplifier that is built like a tank. The unit is considerably over designed as can be seen in the pictures documenting the construction

Base-Station RF Power-Amplifier Biasing - Power amplifiers used in base stations require biasing for proper RF performance. This article explains the two classes of biasing that are prevalent in the RF industry, analyzes their characteristics, and shows implementations with existing ICs.

Introduction to amplifier design - These tutorials will teach you in very easy steps how to design A class amplifiers.

Medium Power Amplifiers for 24Ghz - By John Hazell G8ACE

LZ2US Amplifiers - LZ2US offers 3 types amplifiers for the serious VHF/UHF amateur. These amplifiers are very robust and in use by contest groups and EME stations all over the world. Every amplifier is custom made.

PA7TA RF Amplifiers - VHF UHF Amplifiers

SP5GJN HF amplifiers & CW Keys - Home made HF power amplifiers and CW Keys & Paddles

PHEMT (GaAs FET) Preamplifiers - Angle Linear has been producing GaAs FET preamplifiers since 1980