Build a Simple Series Modulated AM QRP HF Transmitter for the 40m or 80m bands. This DIY guide includes a stable crystal oscillator schematic, series modulation tips, and power amplifier details for low-power (QRP) ham radio operation.
Tag: AM
Dive into the world of Amplitude Modulation (AM) with a focus on homebrew transmitters, low-power QRP projects, and experimental RF circuits. This section features detailed schematics for Class-E AM rigs, modulation transformers, and speech processing tools designed to achieve high-quality audio on the amateur bands. Perfect for hams interested in the technical heritage and hands-on construction of traditional radio communication