Bench AF Amplifier. Schematic Diagram.
The circuit… This circuit consists of just a few discrete components and one common IC amplifier – the LM380N. It’s simple, cheap, quick to build and works well. I built mine in a steel,...
Tagged: DIY
Power Supply 12.6V 25A from old Microwave Oven Transformer
Dig out that old microwave oven transformer you’ve been saving and take a look in your junk box. It’s time to build that battery eliminator you need for the mobile rigs. Although the transformer...
Simple modification of the HM-36 Microphone from ICOM
The Icom HM-36 microphone is a simple electret mic. But many owners notice that some microphones sounds bad. What reason? There are two different types of ICOM microphone HM-36 (exclude chinese fake): First type...
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