Learn how to build a high-performance HF Linear Push-Pull Power Amplifier using affordable IRF510 MOSFETs. This guide includes a full schematic, bias adjustment tips, and transformer winding details for 10-40W output across the HF bands.
Tag: homebrew radio
A collection of DIY amateur radio projects, ranging from simple QRP AM transmitters to advanced speech compressors and RF tools. Explore detailed schematics, step-by-step build guides, and circuit modifications designed for the experimental ham radio operator. Whether you’re building your first BITX or perfecting a homebrew HF rig, these resources focus on practical RF engineering and bench-testing. homebrew radio
LARCSet kit – Most Affordable SSB/CW Transceiver Kit Released
LARCSet is a $39 open-source 40 m SSB/CW transceiver kit from HF Signals delivering 5 W QRP output with simple BITX-style architecture. Beginner-friendly build-it-yourself radio designed to make affordable HF operation accessible to new and homebrew amateur radio operators.
Curumim Transceiver – World’s Smallest QRP CW Transceiver
Discover the Curumim Transceiver, an ultra-minimalist QRP CW rig for 7.030 MHz that combines a single-transistor crystal oscillator and LM386 audio amplifier into one of the world’s smallest working HF transceivers, ideal for homebrewers, educators, and portable CW enthusiasts