Check out this neat DIY project: a simple microphone compressor using the LM1458 op-amp—perfect for improving audio clarity and level consistency in amateur radio and audio projects. Great for homebrewers looking to add professional-sounding compression with minimal parts! 🎙️🔧
👉 https://vu3dxr.in/microphone-compressor-using-lm1458/
Thursday, 22 January 2026
Fixing Poor Audio Quality in uBITX V6.1 HF Transceiver
Fixing Poor Audio Quality in uBITX V6.1 HF Transceiver: Recently i got a ubitx V6.1 transceiver at lamakan 2024 event and kept the same idle due to mqth commitments. Audio is too chirpy and unpleasant to hear.
Mighty Mite 5W Crystal Controlled QRP CW Transmitter
Discover more Amateur radio ham radio amateur radio Ham Transmitter transmitter radio Radio Mini rádió SI4732 Antenna
The Mighty Mite 40 Meter QRP CW Transmitter is a legendary low-power Morse code transmitter widely built by amateur radio operators for portable, minimalist, and educational operation. Operating around 7.023 MHz, this compact rig delivers approximately 5 watts RF output, making it ideal for QRP (low power) CW contacts on the 40-meter band.
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