Amplifiers: Essential RF Power Solutions
Build Your Own RF Amplifier
RF amplifiers are crucial for enhancing transmission power in ham radio operations. This category provides a range of resources for DIY builders to construct their own amplifiers, including schematics, design guides, and modifications for existing units. Whether you're interested in tube amplifiers or solid-state designs, you will find valuable information to improve your setup and achieve better performance in contests and DXing.
Key components for building amplifiers include tubes, transistors, power supplies, and circuit boards. Resources like TANKIT assist in designing pi networks, while articles on specific models, such as the 3-500Z, provide testing insights. Explore tutorials and projects from experienced builders to refine your skills and knowledge in RF amplification.
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Subcategories
- HF Amplifiers (101)
- RF Amplifiers Theory (19)
- UHF Amplifiers (18)
- VHF Amplifiers (61)
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A free design aid for vacuum tube linear RF power amplifiers. Determine plate circuit operating parameters and design pi or pi-L tanks quickly and easily. -
Tutorials and other information on designing and building hf amplifiers. Includes tube data and amplifier projects. -
The Smith Chart was originally created many years ago as an RF engineering aid by Phillip Smith of RCA.These pages includes extesnive documentation on smith carts. -
This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. It is only 11" wide, 4" high, and 9" deep. Operates for 40, 20, 17, 15, 12, and 10m -
Articles and original manuscripts on RF power amplifiers -
AM-6154 222MHz grid Conversion Information by N0UK -
Manuals section for the Ameritron HF amplifiers mostly in PDF format -
Page on amplification topics. From vacuum tubes to various components, discussion on stability and arcin causes. -
Amps Mailing List Archives -
Linear amplifier related mailing list -
This versatile broadband amplifier is used in several DX Lab projects. -
QST Article on what you should know about matching networks for class C RF power amplifiers -
Autotune Linear Amplifier -
This is an internet resource for those interested in guitar amplifiers, vacuum tubes, and design tools such as SPICE modelling. -
The GI-7B (GI-70B) microwave triode -
HF and VHF amplifiers homebrewed by GM3WOJ -
Circuits, pictures and data about toroids, tubes and home made power amplifiers -
Excellent article and guide to choose the best RF power amplifier that fit your needs by ON4SKY -
Thierry LOMBRY, ON4SKY, develops in three long articles all you need to know about amplification, and how to seletc an HF and a solid-state amplifier, with pictures. -
Improper tank adjustment and excessive drive are equally harmful to component life, and either can create splatter -
Article describes a circuit that accelerates the coil of DC relays by momentarily doubling their voltage. -
This page describes two modifications W8WWV made to his AL-1200 amplifier. The mods were obtained from Ameritron, so they are official. -
Linear amplifer picture gallery -
This retrofit of a GLA-1000 to GI-7B was done by Lawson, W4EMF, in 2002. Modifying The Dentron GLA-1000B for the GI-7B Triode -
Introduction to RF power amplifiers. Basics and guidelines. by wb0nni -
This article explores the claim an amplifier might arc from a parasitic oscillation, damaging capacitors, bandswitches, or other components. -
Original manuscript for what became "The Nearly Perfect Amplifier", discussion of some design features that would be present in a perfect, or near-perfect, amplifier. -
This little gadget is that it allows you to tune up at full peak output power, whilst limiting the average power to a fraction of the peak, thereby protecting the PA from meltdown -
A lot of good things, not for QRP fans. -
An interface for amplifier to TS-850S -
Source of common model manuals and amateur help on amplifier problems for the amateur bands, Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement. -
Understanding Solid State Linear Amplifiers -
WV7U YC156 and 3CPX800 amplifier projects. See pictures, schematics, test data, links, and more! -
Modification to an old cellular phone base station modules, with a fairly reduced output power (10 watts or so), the stock power amplifier modules will cover the 2.3 GHz and 2.4 GHz amateur radio bands. -
Learn more about ALC usage in RF Amplifiers and how it really effects things from an operational point of view. -
An interesting article that compares tube amplifiers versus transistor amplifier. -
A combined 1KW VHF, 500W UHF linear power amplifier homebrewed by M0VKK -
Matrix of several popular amplifiers currently on the market -
20 Watt Power Amp for Softrock or for QRP transceivers by M0RZF -
Learn How to test the 3-500Z -
Linear amplifiers cold adjustments with network analyser (VNA)
