The TL071 operational amplifier makes an excellent foundation for DIY audio compressor circuits. This single-supply design TL071 Audio Compressor offers reliable dynamic range control for musical instruments and recording applications.
Tuesday, May 12, 2026
Monday, May 11, 2026
Simple 2M VHF Sleeve Dipole Antenna for Rapid Field Deployment
When communication matters most, having an antenna you can build quickly from available materials becomes essential. The 2-meter Sleeve dipole antenna is one of the simplest and most reliable emergency VHF antennas you can assemble directly from the end of a transmission cable. With only a short whip, a piece of copper braid and an aluminium tube for stiffness, you can create a surprisingly efficient vertical radiator for 2 meters.
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