Everything you need to design, build, and test a high-performance ham radio linear amplifier — schematics, component selection, RF theory, and real builder notes from the bench.
A linear amplifier takes the low-power output from your ham radio transceiver and boosts it — without distorting the signal. The key word is "linear": the output is a faithful amplified copy of the input, which is critical for SSB, AM, and digital modes where signal fidelity matters.
Most commercially-built linear amps cost $500–$3,000+. Building your own from scratch gives you a deep understanding of RF design, costs a fraction of the price, and produces a unit custom-tuned for your exact band and operating conditions.
Each volume covers a specific amplifier topology with full schematics, component lists, and alignment procedures.
Full hand-drawn and CAD schematics for every build — input matching, driver stage, output network, and bias supply. No guessing.
Exact part numbers, substitution guides, and sourcing notes for every resistor, capacitor, transistor, and transformer in the build.
Step-by-step alignment procedures, bias adjustment instructions, and test point measurements to verify your build is performing correctly.
A great linear amp is only as good as the antenna feeding it. Our antenna build guides cover dipoles, verticals, yagis, loops, and homebrew designs — with SWR calculations, feedline selection, and impedance matching built in.
Get the complete Hood's Finds Master Reference Set — all 9 amplifier volumes, schematics, calculators, and reference guides in one offline HTML package.
Get the Master Set — $34.99Use code WELCOME10 for 10% off your first order
