Radio Circuits Blog
This site provides schematics of various radio projects that you can experiment yourself.
Wednesday, 28 January 2026
VK4FUQ Optimized sloper antenna for 3.5Mhz
G4RAW 80M QRP TAG CW Transmitter
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!
Monday, 26 January 2026
Building the LARCSet v3.0: Real-World Problems and Proven Fixes
Working on the LARCSET v3.0?
The Bitx20 community is full of brilliant minds, and many of us have faced similar challenges when putting this version together. I’ve compiled the most frequent problems and their proven solutions into one guide to help fellow builders.
From troubleshooting common errors to fine-tuning for better performance, this post is meant to be a "workbench companion" for your project.
Read more here:
Let me know in the comments what your experience has been with the v3.0 so far! 73! 📻
#HamRadio #Homebrew #Bitx20 #RadioBuilder #VU3DXR