Building Sovina 40M Class E CW Transmitter with BS170 MOSFETs

Building Sovina 40M Class E CW Transmitter with BS170 MOSFETs: High-efficiency 40M CW Class-E CW transmitter using BS170 MOSFETs and 74HC02. Complete circuit explanation and build notes for QRP hams.

W3DZZ Multi-Band Antenna 80m-10m Trapped Dipole

W3DZZ Multi-Band Antenna 80m-10m Trapped Dipole: Learn how to construct W3DZZ Multi-Band Antenna. Detailed instructions on 7MHz coaxial traps, wire dimensions, and LC tuning for 80, 40, 20, 15, and 10 meters.

Build a Miniature FM Transmitter – DIY Electronics Project

Build a Miniature FM Transmitter – DIY Electronics Project: Miniature FM Transmitter is a compact and effective project ideal for experimenting with radio communication. Whether you’re a student or an amateur radio enthusiast, this circuit offers a great introduction to the basics of FM transmission and audio electronics.