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.

Microphone compressor using two transistors

Microphone compressor using two transistors: This microphone compressor circuit utilizes a two-stage amplification design for dynamic range control. Initially, the input signal enters through MK1, a microphone input connector. Subsequently, the signal passes through C1 and C3 coupling capacitors for DC blocking.

Radio Waves Weekly — Issue #007

Radio Waves Weekly — Issue #007: This week: 3Y0K is finally on the air from Bouvet Island — the most remote uninhabited island on Earth — and the pile-ups are epic. The Rebel DX Group is next up with a Kanton Island activation starting March 25. Plus a pocket-sized Indian SDR that does FT8 without a computer, the freshest QRP Labs kit, two wire antennas you can build this weekend, and a handful of contests and events to fill your log before spring.