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The amplifier circuit itself is simple – a few discrete components surround the LM3886 and it’s heat sink. [Ynze] also did some very nice carpentry work on his wood chassis. The resulting amp ...

In this video, learn how to build a rotating TV antenna with the highest efficiency, designed to rotate 360 degrees. This ...

The opamp circuit is simple. We might have considered an LM386 or some other integrated audio amplifier block to get better performance without blowing up the parts count. Technically ...