Wednesday, 28 January 2026

Dynamic speech compressor with audio preamplifier

Boost your radio's "talk power"! 📻🔊

Check out new project: A Dynamic Speech Compressor + Audio Preamp. Perfect for DIY transmitters and improving SSB/AM audio quality. Clearer communication starts here.

Full schematic and details: 🔗https://vu3dxr.in/dynamic-speech-compressor-with-audio-preamplifier/

Simple two stage one watt AM transmitter

Back to basics! Today on the blog, we’re diving into a Simple Two-Stage Transistor AM Transmitter.

While modern radio is moving toward digital, there is something incredibly satisfying about building a classic 1-watt analog transmitter using discrete transistors. This project is a great way to sharpen your soldering skills and learn how RF stages work together to boost a signal.

Ready to build? Grab your soldering iron and head to the link in bio!

Highlights: 🔹 Two-stage design for better stability. 🔹 1-watt power output. 🔹 Clear, easy-to-follow schematic.

Find it at:https://vu3dxr.in/simple-two-stage-transistor-one-watt-am-transmitter/

Noise Cancelling Condenser Microphone

Noise Cancelling Condenser Microphone: Noise cancelling condenser microphone is a great choice for noise-cancelling applications, work in conjunction with active noise-cancellation.

Build a High-Sensitivity Regenerative Receiver with 2N7000 MOSFET

Build a High-Sensitivity Regenerative Receiver with 2N7000 MOSFET: DIY Circuit for 2N7000 regenerative receiver with air-core and ferrite coils. Includes band coverage tables, regeneration theory, and practical tuning tips

VK4FUQ Optimized sloper antenna for 3.5Mhz

VK4FUQ Optimized sloper antenna for 3.5Mhz: VK4FUQ’s optimised sloper antenna for 3.5MHz.Good quality insulators are need at the top of the preferably non-conductive mast and at the end of the radial

G4RAW 80M QRP TAG CW Transmitter

G4RAW 80M QRP TAG CW Transmitter: G4RAW 80M QRP CW Transmitter, a popular, simple, and low-power (QRP) Continuous Wave (CW) transmitter design for the 80-meter amateur radio band.

Full Wave Loop Antenna for VHF, UHF & FM Radio Bands - Ready to Upgrade Your Radio Experience?


Check out our detailed guide with step-by-step instructions, calculations, and tips to build your own full-wave loop antenna!

👉 Read the full guide here: https://vu3dxr.in/full-wave-loop-antenna-for-vhf-uhf-fm-radio-bands/

Whether you're a seasoned radio operator or just getting started, this project is perfect for improving your station's performance. The best part? You'll learn valuable antenna theory along the way!